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Perth January Weather

Averages and records for weather in Perth, Western Australia in the month of January.

Typical Perth January Weather 1991–2020
Average daily high	32.3 °C
Average daily low	17.6 °C
Average monthly precipitation	1.6 cm
Daily chance of precipitation	7.8%

Perth January Weather Records 1877–2024
Highest temperature	46.0 °C	January 31, 1991
Lowest temperature	6.0 °C	January 25, 2001
Highest daily low	28.5 °C	January 12, 2014
Lowest daily high	19.7 °C	January 30, 2017
Hottest average high temperature	35.6 °C	1962
Coldest average high temperature	26.3 °C	1939
Most daily precipitation	9.0 cm	January 16, 2018
Most monthly precipitation	10.2 cm	2000

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
January 1	31.7	16.9	43.5	9.9
January 2	31.8	17.0	41.8	6.0
January 3	32.0	17.0	43.4	10.1
January 4	32.0	17.1	43.3	7.0
January 5	32.1	17.2	44.2	7.0
January 6	32.1	17.2	42.1	8.3
January 7	32.1	17.2	43.2	9.5
January 8	32.1	17.2	41.5	6.0
January 9	32.0	17.3	43.5	9.7
January 10	32.0	17.3	41.6	9.5
January 11	32.0	17.3	43.5	9.1
January 12	32.1	17.3	44.2	6.6
January 13	32.2	17.4	41.3	7.6
January 14	32.3	17.5	42.1	9.1
January 15	32.3	17.5	43.3	8.5
January 16	32.4	17.6	43.0	7.0
January 17	32.4	17.7	43.0	11.2
January 18	32.4	17.7	44.6	10.1
January 19	32.4	17.7	42.8	9.0
January 20	32.4	17.7	43.6	8.8
January 21	32.4	17.7	42.0	8.7
January 22	32.4	17.7	44.5	7.9
January 23	32.3	17.7	43.5	9.6
January 24	32.3	17.7	44.3	9.2
January 25	32.4	17.7	42.6	6.0
January 26	32.4	17.7	42.1	7.8
January 27	32.5	17.8	41.8	8.2
January 28	32.5	17.8	43.0	7.8
January 29	32.6	17.8	44.1	8.9
January 30	32.5	17.9	44.4	9.9
January 31	32.5	17.9	46.0	9.2

Weather Station Details

Years	Station	Coordinates
1945–2024	Perth Airport	location
1877–1944	Perth Regional Office	location