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Weather on May 1

San Francisco, CA

55 Years of Data

Avg High
65°F
Avg Low
51°F
Warmest
1996
75°F avg
Coldest
1975
51°F avg

About This Date

May 1st in San Francisco, CA typically brings mild spring weather, with average highs around 65°F and lows near 51°F. Over 56 years of records, the warmest May 1st was in 1996 (75°F average), while the coldest was 1975 (51°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 18% of May 1st dates historically, with the wettest May 1st recording 1.45" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.

Planning for May 1st in San Francisco, CA? Great weather for outdoor activities.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
202660°53°57°
202559°50°55°
202468°49°58°
202355°48°52°
202262°48°55°
202157°50°54°0.03"
202065°50°57°
201964°51°58°
201862°49°55°
201781°55°68°
201678°53°66°
201568°53°61°
201484°62°73°
201375°56°65°
201259°49°54°
201175°51°63°
201064°49°56°
200964°47°55°0.58"
200865°47°56°
200760°49°54°
200668°49°58°
200564°53°59°
200466°50°58°
200367°53°60°1.45"
200261°48°54°
200166°51°59°
200062°49°55°
199956°48°52°
199862°57°60°0.1"
199765°47°56°
1996warmest88°63°75°
199565°56°60°0.86"
199462°50°56°
199383°54°68°
199274°52°63°
199159°47°53°0.2"
199084°56°70°
198971°51°61°
198864°47°55°
198763°52°57°0.08"
198665°52°58°
198560°50°55°
198458°48°53°0.41"
198362°50°56°
198255°48°52°
198161°50°55°
198063°52°57°
197961°53°57°
197866°52°59°
197763°55°59°0.2"
197663°51°57°
1975coldest53°48°51°
197455°48°52°
197355°48°52°
197274°51°62°
197159°50°55°0.1"
56 years of data from SAN FRANCISCO DWTN

San Francisco, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

40°50°60°70°80°JFMAMJJASOND
Avg high Avg low

San Francisco, CA Monthly Precipitation

Average rainfall per month, in inches.

0"4.9"9.8"JFMAMJJASOND
Rain (in)

San Francisco, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit San Francisco, CA

Most pleasant months in San Francisco, CA: July, August.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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