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Pasadena August Weather

Averages and records for weather in Pasadena, California in the month of August.

Typical Pasadena August Weather 1991–2020
Average daily high	91.6 °F
Average daily low	64.2 °F
Average monthly precipitation	0.0 inches
Average monthly snow	none
Daily chance of precipitation	1.2%
Daily chance of snow	0%

Pasadena August Weather Records 1893–2024
Highest temperature	109 °F	August 19, 2020
Lowest temperature	43 °F	August 28, 1912
Highest daily low	82 °F	August 30, 2013
Lowest daily high	62 °F	August 29, 1951
Hottest average high temperature	96.9 °F	1998
Coldest average high temperature	83.0 °F	1941
Most daily precipitation	3.4 inches	August 21, 2023
Most monthly precipitation	4.6 inches	2023
Most daily snow	none	-
Most monthly snow	none	-

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	90.6	63.9	103	49
August 2	90.7	63.9	103	48
August 3	90.8	63.9	107	48
August 4	90.9	64.0	101	48
August 5	91.0	64.0	107	49
August 6	91.0	64.0	105	50
August 7	91.0	64.0	103	50
August 8	91.0	64.0	102	47
August 9	91.0	64.0	102	48
August 10	91.1	64.0	102	50
August 11	91.1	64.0	107	47
August 12	91.2	64.1	106	45
August 13	91.3	64.2	105	47
August 14	91.4	64.2	102	46
August 15	91.6	64.3	101	47
August 16	91.7	64.3	107	44
August 17	91.7	64.4	107	45
August 18	91.8	64.4	109	45
August 19	91.8	64.5	109	45
August 20	91.9	64.6	102	48
August 21	92.0	64.7	104	49
August 22	92.1	64.8	104	47
August 23	92.2	64.9	107	48
August 24	92.3	64.9	106	50
August 25	92.3	64.9	107	48
August 26	92.2	64.9	105	48
August 27	92.1	64.8	107	48
August 28	92.0	64.8	104	43
August 29	91.9	64.7	106	48
August 30	91.8	64.6	107	44
August 31	91.7	64.5	107	46

Weather Station Details

Years	Station	Coordinates
1893–2024	Pasadena	location