Monday 6 January 2025 - Monthly Climate Summary for Victoria - Product code IDCKGC16R0

Victoria in December 2024

Rainfall

• Rainfall totals in December were below average for large parts of south-eastern Victoria, and above average for parts of the state's south-west, north and west.
• Victoria's area-averaged rainfall total in December was 40.58 mm, 15% below the 1961–1990 average.
• Portland and Cape Nelson Lighthouse in the south-west had their highest December daily rainfall on record at the beginning of December as a low pressure system crossed the state.
• Cape Nelson Lighthouse had its highest total December rainfall on record with previous record for December at 102.8 mm in 2020.
• Portland had its highest total December rainfall for at least 20 years.

Temperature

• Mean maximum temperatures in December were very much above average (in the highest 10% of all Decembers since 1910) for Victoria.
• Victoria's area-averaged mean maximum temperature was 27.47 °C, 2.28 °C above the 1961–1990 average, the 8th-warmest on record for all Decembers since 1910.
• Mean minimum temperatures in December were above average for much of the north and north-west, and very much above average for the south and east of the state.
• Victoria's area-averaged mean minimum temperature was 13.24 °C, 1.73 °C above the 1961–1990 average, the 10th-warmest on record for all Decembers since 1910.
• Victoria's area-averaged mean temperature was 20.36 °C, 2.01 °C above the 1961–1990 average, the 5th-warmest on record for all Decembers since 1910.
• Bairnsdale Airport in the West & South Gippsland district and Omeo in the North East district had their highest December mean maximum temperature on record.
• Hunters Hill in the North East district had its highest December mean maximum temperature for at least 20 years.
• Cape Otway Lighthouse in the South West district had its highest December mean minimum temperature for at least 20 years.
• Port Fairy AWS in the South-West district had its highest December mean temperature on record.
• Cape Otway Lighthouse in the South West district and Hunters Hill in the North East district had their highest December mean temperature for at least 20 years.

Events

• In early December, Victoria experienced heavy rainfall as a low-pressure system passed through the state.
• During mid-December and towards the end of the month, warm conditions developed across Victoria and severe to low-intensity heatwave conditions developed across the state.
• For more details, visit the December national climate summary.

Extremes Maps Records Summaries Important notes the top

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Extremes in December 2024
Hottest day	47.1 °C at Walpeup Research on the 16th
Warmest days on average	33.0 °C at Walpeup Research
Coolest days on average	15.8 °C at Mount Hotham
Coldest day	4.0 °C at Mount Buller on the 23rd
Coldest night	-1.9 °C at Mount Hotham on the 23rd
Coolest nights on average	5.7 °C at Mount Baw Baw
Warmest nights on average	16.1 °C at Mildura Airport
Warmest night	27.2 °C at Mildura Airport on the 16th
Warmest on average overall	24.5 °C at Mildura Airport
Coolest on average overall	10.9 °C at Mount Baw Baw
Wettest overall	194.8 mm at Falls Creek (Rocky Valley)
Wettest day	122.6 mm at Falls Creek (Rocky Valley) on the 3rd
Strongest wind gust	144.0 km/h at Colac (Mount Gellibrand) on the 26th

Extremes Maps Records Summaries Important notes the top

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Maps
	Observed	Anomaly	Decile rank
Total rainfall
Mean daily maximum temperatures
Mean daily minimum temperatures

Click on a map to show it full size in a pop-up window

Extremes Maps Records Summaries Important notes the top

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Record highest December daily rainfall
	New record (mm)		Old record		Years of record	Average for December
Portland	55.6	on the 2nd	50.4	on 16 Dec 1980	163	44.2
Cape Nelson Lighthouse	57.0	on the 1st	48.0	on 13 Dec 2008	30	39.0

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Record highest December total rainfall
	New record (mm)	Old record		Years of record	Average for December
Cape Nelson Lighthouse	107.8	102.8	in 2020	30	41.3

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Highest December total rainfall for at least 20 years
	Observed (mm)	Most recent higher		Average for December
Portland	104.0	120.2	in 1985	45.1

note: there may be gaps in the historical record at some sites, so it is possible more recent higher values have gone unreported

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Record highest December mean maximum temperature
	New record (°C)	Old record		Years of record	Average for December
Bairnsdale Airport	26.6	26.3	in 2018	44	23.8
Omeo	27.5	26.9	in 2019	21	24.2

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Highest December mean maximum temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for December
Hunters Hill	24.9	25.5	in 2002	23.1

note: there may be gaps in the historical record at some sites, so it is possible more recent higher values have gone unreported

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Highest December mean minimum temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for December
Cape Otway Lighthouse	14.2	14.6	in 1898	12.1

note: there may be gaps in the historical record at some sites, so it is possible more recent higher values have gone unreported

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Record highest December mean temperature
	New record (°C)	Old record		Years of record	Average for December
Port Fairy AWS	18.6	18.5	in 2007	34	16.9

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Highest December mean temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for December
Cape Otway Lighthouse	17.8	18.7	in 1896	16.0
Hunters Hill	19.2	19.7	in 1994	17.6

note: there may be gaps in the historical record at some sites, so it is possible more recent higher values have gone unreported

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Extremes Maps Records Summaries Important notes the top

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Summary statistics for December 2024
	Maximum temperatures (°C)				Minimum temperatures (°C)				Rainfall (millimetres)
	Mean for December 2024	Diff from average	Highest for December 2024		Mean for December 2024	Diff from average	Lowest for December 2024		Total for December 2024	Average for December	Rank of December 2024	Fraction of December average
North Mallee (district 76)
Mildura Airport	33.0	+2.6	45.3	16th	16.1	+1.1	10.5	23rd	18.0	24.3	average	74%
Ouyen (Post Office)	32.8	+2.4	43.1	16th	15.5	+1.7	8.7	24th	13.6	25.0	average	54%
Walpeup Research	33.3	+3.3	47.1	16th	14.7	+1.1	7.6	23rd	11.0	23.7	average	46%
South Mallee (district 77)
Hopetoun Airport	32.1	+1.5	45.4	16th	13.7	+0.7	6.4	28th	12.2	27.5	average	44%
Swan Hill Aerodrome	32.5	+1.8	45.0	16th	14.9	+1.1	8.7	28th	33.4	24.5	average	136%
North Wimmera (district 78)
Kellalac (Warracknabeal Airport)	31.1		44.3	16th	12.6		6.5	29th	20.2
Nhill Aerodrome	29.9	+1.0	44.0	16th	13.1	+0.9	6.8	4th	21.4	28.5	average	75%
South Wimmera (district 79)
Edenhope Airport	27.5	+0.8	41.0	16th	12.3	+1.2	6.7	23rd	22.4	35.8	average	63%
Grampians (Mount William)	20.1	+1.9	31.7	16th	8.8	+1.1	3.9	11th	59.2	61.8	average	96%
Horsham Aerodrome	30.1	+1.5	44.0	16th	11.7	+1.1	6.5	4th	40.2	23.9	high	168%
Kanagulk	28.7	+1.6	41.8	16th	11.4	+0.7	5.9	4th	36.6	40.3	average	91%
Longerenong	30.0	+2.1	43.1	16th	12.3	+1.1	7.4	28th	39.6	27.4	high	144%
Pyrenees (Ben Nevis)	24.0	+1.8	36.3	16th	10.6	+0.5	4.2	23rd	51.2	45.4	average	113%
Stawell Aerodrome	28.2	+1.6	42.2	16th	12.7	+1.3	8.0	4th	31.0	34.1	average	91%
Lower North (district 80)
Charlton	30.9	+1.0	41.7	16th	13.5	+0.5	7.6	23rd	33.2	33.0	average	101%
Echuca Aerodrome	31.1	+2.0	43.0	16th	14.7	+1.2	10.2	23rd	16.4	30.0	average	55%
Kerang	31.4	+1.6	42.9	16th	14.3	+0.8	9.2	23rd	36.3	27.7	high	131%
Kyabram	31.1	+2.7	43.0	16th	14.2	+1.5	9.8	23rd	15.2	34.1	average	45%
Upper North (district 81)
Bendigo Airport	29.8	+2.2	39.3	16th	12.9	+0.9	7.5	28th	39.8	39.4	average	101%
Shepparton Airport	30.7	+1.5	41.7	16th	14.3	+1.3	9.3	23rd	46.6	32.7	high	142%
Tatura Inst Sustainable Ag	30.0	+2.3	41.6	16th	14.1	+1.7	8.9	24th	24.2	35.1	average	69%
Yarrawonga	31.7	+1.4	41.8	16th	14.1	+0.7	8.6	24th	56.8	40.7	high	140%
Lower Northeast (district 82)
Benalla Airport	30.2	+1.0	40.5	16th	13.6	+0.3	9.0	29th	50.7	50.7	average	100%
Corryong Airport	30.2	+1.2	37.0	16th	13.2	+1.6	5.5	24th	81.4	64.5	high	126%
Dartmouth Reservoir	28.5	+1.6	36.0	16th	12.9	+1.1	4.2	24th	67.9	73.0	average	93%
Hunters Hill	24.9	+1.8	32.7	16th	13.6	+1.5	4.3	24th	96.6	78.1	high	124%
Rutherglen Research	31.3	+2.0	41.1	16th	12.6	+1.1	8.1	28th	41.0	44.5	average	92%
Strathbogie	26.6	+1.8	36.6	16th	9.8	+0.3	3.8	28th	64.8	58.0	average	112%
Wangaratta Aero	30.1	+0.8	39.6	16th	13.1	+1.3	8.8	24th	55.4	45.1	average	123%
Upper Northeast (district 83)
Edi Upper	28.6	+0.9	37.4	16th	12.3	+0.6	6.6	24th	92.2	76.8	average	120%
Falls Creek	16.7	+1.4	22.6	16th	7.4	+0.9	-0.9	23rd	116.0	104.9	average	111%
Mount Buller	16.1	+1.3	23.8	16th	7.4	+1.0	-1.2	23rd	116.6	100.9	average	116%
Mount Hotham	15.8	+1.7	23.1	16th	6.8	+1.0	-1.9	23rd	151.2	122.2	high	124%
Omeo	27.5	+3.3	34.9	16th	9.4	+0.2	1.8	19th	21.4	64.5	low	33%
East Gippsland (district 84)
Combienbar AWS	24.5	+1.4	38.5	16th	12.8	+1.3	6.9	24th	55.0	72.2	average	76%
Gabo Island Lighthouse	21.4	+1.4	25.3	7th	15.6	+1.2	11.6	24th	60.8	68.3	average	89%
Gelantipy	23.4	+2.0	34.1	16th	10.4	+0.8	4.3	19th	36.4	72.7	low	50%
Lakes Entrance (Eastern Beach Road)	23.6	+0.9	37.4	26th	13.9	+0.7	9.9	10th	54.6	77.0	average	71%
Mallacoota	23.1	+0.8	31.8	16th	14.3	+0.5	9.8	20th	68.8	75.1	average	92%
Mount Nowa Nowa	25.0	+2.3	40.7	16th	13.1	+0.8	7.6	23rd	23.2	84.0	v low	28%
Orbost	24.7	+0.6	37.8	16th	13.6	+0.6	8.1	19th	44.8	73.4	low	61%
West Gippsland (district 85)
Bairnsdale Airport	26.6	+2.8	41.9	16th	12.6	+1.2	6.6	19th	30.0	62.5	low	48%
Corner Inlet (Yanakie)	23.6	+1.7	39.2	16th	13.7	+1.1	7.6	14th	34.4	62.4	average	55%
East Sale	26.4	+2.9	38.4	16th	12.8	+1.3	8.3	9th	25.2	55.7	low	45%
East Sale Airport	26.9		39.0	26th	12.8		8.7	9th	29.6
Morwell (Latrobe Valley Airport)	27.3	+2.8	39.3	16th	12.0	+0.6	6.4	28th	33.8	65.8	low	51%
Mount Baw Baw	16.2	+1.5	25.8	16th	5.7	-0.3	-0.7	23rd	115.4	138.5	average	83%
Mount Moornapa	26.0	+2.8	39.1	16th	12.3	+0.9	7.1	23rd	28.4	75.4	low	38%
Nilma North (Warragul)	26.0	+1.7	38.1	16th	11.8	-0.2	6.8	14th	41.6	67.2	low	62%
Pound Creek	23.9	+1.2	38.9	16th	12.2	+0.7	3.3	19th	23.0	59.6	v low	39%
Wilsons Promontory Lighthouse	20.7	+1.8	36.3	26th	14.6	+1.9	11.5	24th	60.6	64.1	average	94%
Yarram Airport	25.4	+1.9	38.8	26th	11.5	+0.1	5.3	19th	36.4	56.9	average	64%
East Central (district 86)
Cerberus	24.4	+1.9	36.7	26th	13.3	+1.2	8.3	14th	39.0	53.2	low	73%
Coldstream	27.3	+2.0	36.9	26th	10.9	+0.9	4.1	19th	52.6	59.3	average	89%
Essendon Airport	27.8	+3.2	40.2	16th	14.4	+2.3	9.5	23rd	22.4	52.0	low	43%
Ferny Creek	23.2	+1.4	32.7	16th	11.7	+0.5	6.7	23rd	86.6	99.8	average	87%
Frankston (Ballam Park)	25.1		35.6	26th	13.4		9.0	23rd	42.8
Melbourne (Olympic Park)	26.5	+1.9	39.4	16th	15.3	+0.8	11.0	23rd	38.6	53.3	low	72%
Melbourne Airport	27.9	+3.3	40.8	16th	13.4	+1.3	8.9	9th	26.2	51.9	low	50%
Moorabbin Airport	26.0	+2.0	39.0	16th	14.0	+1.2	8.8	19th	39.4	60.3	average	65%
Rhyll	24.0	+2.0	35.2	16th	15.1	+1.3	12.0	4th	39.4	45.5	average	87%
Scoresby Research Institute	27.1	+2.9	37.5	26th	13.1	+1.2	7.8	19th	45.6	74.2	average	62%
Viewbank	28.4	+2.6	39.0	16th	13.7	+1.0	8.9	19th	32.4	65.7	low	49%
Wonthaggi	25.5	+3.3	39.1	16th	13.4	+1.6	7.7	19th	18.6	60.7	v low	31%
West Central (district 87)
Avalon Airport	27.0	+2.5	43.3	16th	13.2	+1.2	8.9	9th	29.0	30.2	average	96%
Breakwater (Geelong Racecourse)	26.1	+2.1	42.3	16th	13.9	+1.3	9.5	4th	36.0	33.1	average	109%
Laverton RAAF	26.7	+2.8	40.9	16th	14.2	+2.1	9.2	9th	30.8	46.5	average	66%
Point Cook RAAF	26.1		41.3	16th	13.9		9.4	9th	26.6
She Oaks	26.3	+2.6	40.5	16th	11.9	+1.4	5.8	4th	24.6	34.1	average	72%
North Central (district 88)
Castlemaine Prison	28.2	+2.6	38.0	16th	11.7	+0.6	6.5	28th	32.3	40.8	average	79%
Eildon Fire Tower	24.8	+0.8	34.2	16th	11.8	+0.4	6.3	23rd	55.2	53.0	average	104%
Lake Eildon	28.6	+2.0	37.0	16th	12.3	+1.2	8.1	28th	53.2	57.9	average	92%
Mangalore Airport	30.1	+2.9	40.4	16th	13.8	+1.8	9.3	23rd	43.0	40.7	average	106%
Maryborough	29.2	+2.5	40.0	16th	12.6	+1.2	8.0	28th	19.2	37.5	average	51%
Puckapunyal Lyon Hill (Defence)	29.6		40.6	16th	13.8		8.7	23rd	43.0
Puckapunyal West (Defence)	28.8		39.1	16th	12.8		7.3	23rd	52.0
Redesdale	29.6	+2.5	40.3	16th	11.0	+0.7	5.4	23rd	49.2	37.3	high	132%
Wallan (Kilmore Gap)	25.4	+3.0	36.6	16th	11.5	+1.2	6.2	23rd	44.4	47.5	average	94%
Western Plains (district 89)
Ararat Prison	27.5	+2.7	40.7	16th	11.9	+2.4	6.3	29th	41.0	37.5	average	109%
Ballarat Aerodrome	26.4	+3.7	40.8	16th	11.0	+1.5	5.2	28th	23.8	50.1	low	48%
Westmere	26.6	+0.9	42.4	16th	10.8	+1.4	5.7	4th	53.8	42.7	high	126%
West Coast (district 90)
Aireys Inlet	24.1	+2.6	42.2	16th	13.6	+1.3	9.5	9th	54.2	39.6	high	137%
Cape Nelson Lighthouse	21.3	+1.5	38.3	16th	14.1	+1.0	8.9	4th	107.8	39.0	highest	276%
Cape Otway Lighthouse	21.4	+1.5	40.1	16th	14.2	+2.1	10.2	4th	83.2	52.2	high	159%
Casterton	25.8	+0.9	39.6	16th	10.6	+0.5	4.7	18th	35.6	39.4	average	90%
Colac (Mount Gellibrand)	25.5	+2.1	40.8	16th	12.1	+1.3	7.6	23rd	51.2	37.0	high	138%
Dartmoor	25.3	+0.8	40.7	16th	11.5	+0.6	6.1	4th	61.2	41.0	high	149%
Hamilton Airport	25.9	+1.7	40.0	16th	10.9	+1.3	6.3	23rd	55.4	43.7	high	127%
Mortlake Racecourse	26.0	+2.4	42.6	16th	10.9	+1.5	4.9	4th	53.2	40.2	high	132%
Port Fairy AWS	23.7	+2.4	40.8	16th	13.5	+0.9	7.3	4th	66.4	40.0	high	166%
Portland Airport	22.3	+2.0	36.8	16th	11.8	+0.8	7.0	4th	102.4	49.4	high	207%
Warrnambool Airport NDB	25.0	+2.5	41.2	16th	11.1	+0.8	5.1	19th	49.2	45.3	average	109%

Extremes Maps Records Summaries Important notes the top

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