Friday, 1 May 2020 - Monthly Climate Summary for Greater Sydney - Product code IDCKGC15L0

Greater Sydney in April 2020: Drier than average with mild days

Rainfall totals for April were below average across the region. Mean maximum temperatures were slightly above the long-term average, with minimum temperatures close to average.

Below average rain

• Rainfall was below average across Greater Sydney, with most sites reporting 40 - 80% of their April average, while Sydney (Observatory Hill) received only 22% of its April average
• The first four days brought isolated shower activity to most parts, with the wettest period being recorded over the 24 hours to 9 am on the 4th; Putty recorded 30.0 mm on this day, the wettest day in the region for the month
• Further isolated shower activity was recorded on several days up to the 11th, followed by two weeks of mostly fine conditions
• A cold front moved through the region on the 30th, with isolated showers ahead of the front and areas of rain with, and behind the front
• Sunshine at Sydney Airport was below average for April, with an average of 6.3 hours of bright sunshine per day (average 6.9 hours)
• The year-to-date rainfall at Sydney (Observatory Hill) is 701.0 mm, well above of the January to April average of 477.3 mm

Mild days, near average nights

• Daytime temperatures were mild throughout, with most sites recording slightly above average mean maximum temperatures for April
• Mean maximum temperatures ranged from 0.3 °C below average at Campbelltown and Badgerys Creek, to 1.9 °C above average at Sydney (Observatory Hill)
• Most locations had their warmest day on the 15th or between the 24th to 26th, with the highest temperature recorded being 30.2 °C at Penrith Lakes on the 15th
• The coolest days were on the 8th and 30th; Katoomba recorded the lowest maximum of 10.9 °C on the 30th after a cold front moved through the region
• The year-to-date mean maximum temperature at Sydney (Observatory Hill) is 26.2 °C, 1.4 °C above average for the January to April period
• Minimum temperatures were generally within 1 °C of average, ranging from 1.0 °C below average at Camden to 1.1 °C above average at Sydney Airport and Sydney (Observatory Hill)
• The year-to-date mean minimum temperature at Sydney (Observatory Hill) is 18.6 °C, 1.1 °C above average for the January to April period

Sydney (Observatory Hill)

• Total rainfall for Sydney (Observatory Hill) was 27.6 mm, which is 22% of the long-term average of 126.5 mm
• The mean daily maximum temperature for Sydney (Observatory Hill) was 24.4 °C, which is 1.9 °C above the long-term average of 22.5 °C
• The warmest day was 29.2 °C on the 24th, and the coolest day was on the 20th when the temperature reached 19.6 °C
• The mean daily minimum temperature for Sydney (Observatory Hill) was 15.8 °C, which is 1.1 °C above the long-term average of 14.7 °C
• The coldest morning was 11.3 °C on the 13th, and the warmest morning was on the 1st when the minimum temperature was 20.2 °C

Extremes Maps Records Summaries Daily observations Important notes the top

Extremes Maps Records Summaries Daily observations Important notes the top

Extremes Maps Records Summaries Daily observations Important notes the top

Extremes Maps Records Summaries Daily observations Important notes the top

Extremes Maps Records Summaries Daily observations Important notes the top