Tuesday, 1 March 2022 - Seasonal Climate Summary for Greater Perth - Product code IDCKGC21L0

Greater Perth in summer 2021-22: hottest summer on record

Summer 2021–22 was the hottest summer on record across Greater Perth. The mean maximum temperature in Perth (at Perth Metro site) was one degree higher than the previous record. Mean minimum temperature were above average and rainfall was below average at all sites.

Dry across Greater Perth

• Summer 2021–22 was dry across Greater Perth. Rainfall totals were less than 10 mm and about 10%–20% of average at most sites, although totals of 10–25 mm were recorded in the north-eastern suburbs.
• Perth Metro recorded 5.2 mm in total, which was the lowest summer rainfall since 2013–14 (2 mm).

Record high maximum temperatures across Greater Perth

• Summer 2021–22 was the hottest summer on record across Greater Perth in terms of maximum temperature and mean temperatures.
• Perth (at the Perth Metro site) recorded a mean maximum temperature of 33.3 °C, which is 2.5 °C above average, and one degree higher than its previous record of 32.3 °C (2012–13), with over 120 years of records commencing in 1897.
• Perth recorded a mean minium temperature of 18.8 °C, which is 1.2 °C above average, and the warmest summer since 2012–13 (18.8 °C).
• Perth recorded 13 days in total with maximum temperatures at least 40 °C (5 in December, 6 in January, 2 in February), which almost doubled its previous summer record of 7 days, with over 120 years of records.
• In December 2021, Perth recorded 4 consecutive days with maximum temperatures at least 40 °C ending the 28th, which was its December record, and equalled its all-time record.
• In January 2022, Perth recorded 6 consecutive days with maximum temperatures at least 40 °C ending the 23rd, which set a new all-time record in Perth, and equalled the record at an Australian capital city (6 days ending 19 Jan 1908 & 6 days ending 01 Feb 2009 at Adelaide in South Australia).
• The hottest days this summer were 26 December and 5 February. Perth recorded 43.5 °C on 26 December, which was its second-highest December temperature on record, and the highest temperature since 5 January 2015 (44.3 °C).

Perth Metro

• Total rainfall for Perth Metro was 5.2 mm, which is 13% of the long-term average of 41.4 mm
• The warmest day was 43.5 °C on 26 December, and the coolest day was on 17 December when the temperature reached 22.7 °C
• The coldest morning was 11.2 °C on 19 December, and the warmest morning was on 9 December when the minimum temperature was 26.8 °C

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top