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Monthly climate in San Francisco, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Francisco features a tropical monsoon climate (Am). Temperatures typically range between 17 °C (62 °F) and 26 °C (79 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1635 mm (64.4 inches) and receives 182 rainy days on the 1 mm (0.04 inches) threshold annually. San Francisco enjoys an average of 3186 hours of sunshine throughout the year, and daylight varies from 10 hours 51 minutes to 13 hours 22 minutes per day.

Monthly average temperatures in San Francisco, Mexico

The warmest months in San Francisco are May, June and August, with daily mean temperatures ranging from 25 to 26 °C (78 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 19 °C (62 - 66 °F) throughout the day. On average each year, San Francisco experiences 233 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in San Francisco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		33°C
(92°F)		35°C
(96°F)		38°C
(101°F)		37°C
(99°F)		37°C
(98°F)		34°C
(93°F)		35°C
(95°F)		34°C
(94°F)		34°C
(94°F)		30°C
(86°F)		31°C
(87°F)
Mean maximum29°C
(84°F)		30°C
(86°F)		34°C
(93°F)		36°C
(96°F)		35°C
(95°F)		34°C
(94°F)		32°C
(90°F)		33°C
(91°F)		33°C
(91°F)		32°C
(90°F)		29°C
(84°F)		29°C
(84°F)
Average high21°C
(71°F)		24°C
(75°F)		26°C
(79°F)		29°C
(85°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		29°C
(85°F)		27°C
(81°F)		24°C
(76°F)		23°C
(73°F)
Daily mean17°C
(62°F)		19°C
(66°F)		21°C
(70°F)		24°C
(75°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		23°C
(73°F)		20°C
(68°F)		17°C
(64°F)
Average low13°C
(55°F)		14°C
(58°F)		16°C
(62°F)		19°C
(66°F)		21°C
(71°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		19°C
(67°F)		16°C
(61°F)		13°C
(56°F)
Mean minimum6°C
(43°F)		8°C
(46°F)		12°C
(53°F)		14°C
(57°F)		18°C
(65°F)		20°C
(67°F)		19°C
(67°F)		19°C
(67°F)		18°C
(65°F)		14°C
(58°F)		9°C
(49°F)		7°C
(46°F)
Minimum4°C
(40°F)		5°C
(41°F)		7°C
(44°F)		12°C
(54°F)		15°C
(59°F)		18°C
(64°F)		18°C
(65°F)		17°C
(63°F)		16°C
(61°F)		13°C
(55°F)		3°C
(39°F)		3°C
(38°F)

Compare climate in San Francisco with other places

Compare temperature, precipitation, sunshine, UV index in San Francisco, Mexico with other places around the world.

Monthly average precipitation in San Francisco, Mexico

San Francisco usually has the most precipitation in June, September and October, with an average of 21 rainy days and 243 mm (9.6 inches) of precipitation per month. The driest months in San Francisco are January, February and December. On average, 57 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Francisco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)68 (2.7)57 (2.3)72 (2.8)103 (4.0)152 (6.0)208 (8.2)149 (5.9)158 (6.2)229 (9.0)293 (11.5)98 (3.9)46 (1.8)
Average precipitation days (≥ 1 mm)991110172322232317117

Monthly sunshine hours in San Francisco, Mexico

The sunniest months in San Francisco are May, July and August, when the sun shines an average of 10 hours 7 minutes a day. Least sunny months in San Francisco: January, February and November receive an average of 7 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Francisco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours178221263274309298317314276255235239
Mean daily daylight hours11h 0m11h 26m12h 2m12h 38m13h 8m13h 22m13h 14m12h 48m12h 13m11h 37m11h 6m10h 51m

Solar UV radiation in San Francisco, Mexico

San Francisco experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly San Francisco UV Index data.

Average daily maximum UV levels by month for San Francisco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)710121212131312121187