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Monthly climate in San Francisco, Guanajuato, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Francisco features a cold semi-arid climate (BSk).Temperatures typically range between 13 °C (55 °F) and 21 °C (71 °F) through the year, but rarely can drop to -3 °C (28 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 518 mm (20.4 inches) and receives 84 rainy days on the 1 mm (0.04 inches) threshold annually.San Francisco enjoys an average of 3591 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 25 minutes per day.

Monthly average temperatures in San Francisco, Guanajuato, Mexico §

The warmest months in San Francisco are April, May and June, with daily mean temperatures ranging from 20 to 21 °C (68 - 71 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 13 to 15 °C (55 - 59 °F) throughout the day. On average each year, San Francisco experiences 184 days above 25 °C (77.0 °F) and 2 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, Guanajuato, Mexico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 27°C
(82°F)		 31°C
(89°F)		 33°C
(92°F)		 34°C
(93°F)		 35°C
(95°F)		 34°C
(93°F)		 31°C
(88°F)		 31°C
(89°F)		 30°C
(86°F)		 28°C
(84°F)		 29°C
(84°F)		 27°C
(81°F)
Mean maximum 26°C
(79°F)		 29°C
(85°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(89°F)		 29°C
(85°F)		 30°C
(86°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)
Average high 22°C
(71°F)		 24°C
(76°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(85°F)		 27°C
(81°F)		 26°C
(79°F)		 27°C
(80°F)		 25°C
(76°F)		 24°C
(75°F)		 23°C
(73°F)		 22°C
(72°F)
Daily mean 13°C
(55°F)		 15°C
(60°F)		 18°C
(64°F)		 20°C
(68°F)		 21°C
(71°F)		 20°C
(69°F)		 19°C
(67°F)		 20°C
(68°F)		 19°C
(66°F)		 17°C
(63°F)		 15°C
(59°F)		 13°C
(55°F)
Average low 6°C
(43°F)		 8°C
(46°F)		 10°C
(50°F)		 12°C
(54°F)		 14°C
(57°F)		 15°C
(59°F)		 14°C
(58°F)		 15°C
(59°F)		 14°C
(58°F)		 12°C
(54°F)		 8°C
(48°F)		 6°C
(42°F)
Mean minimum 0°C
(33°F)		 2°C
(36°F)		 5°C
(41°F)		 7°C
(45°F)		 10°C
(50°F)		 12°C
(55°F)		 12°C
(54°F)		 12°C
(55°F)		 11°C
(52°F)		 7°C
(44°F)		 3°C
(38°F)		 -1°C
(31°F)
Minimum -1°C
(31°F)		 1°C
(33°F)		 0°C
(33°F)		 6°C
(44°F)		 8°C
(46°F)		 9°C
(49°F)		 11°C
(52°F)		 12°C
(53°F)		 8°C
(47°F)		 3°C
(37°F)		 -0°C
(32°F)		 -3°C
(28°F)

Compare climate in San Francisco with other places

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

Monthly average precipitation in San Francisco, Guanajuato, Mexico §

San Francisco usually has the most precipitation in June, July and September, with an average of 14 rainy days and 98 mm (3.9 inches) of precipitation per month.The driest months in San Francisco are January, April and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Francisco, Guanajuato, Mexico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 6 (0.3) 9 (0.4) 12 (0.5) 9 (0.3) 43 (1.7) 111 (4.4) 82 (3.2) 63 (2.5) 102 (4.0) 54 (2.1) 20 (0.8) 7 (0.3)
Average precipitation days (≥ 1 mm) 2 3 3 2 7 15 12 11 15 10 3 1

Monthly sunshine hours in San Francisco, Guanajuato, Mexico §

The sunniest months in San Francisco are May, July and August, when the sun shines an average of 10 hours 44 minutes a day.Least sunny months in San Francisco: January, February and November receive an average of 8 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Francisco, Guanajuato, Mexico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 229 268 316 322 342 319 330 326 286 285 278 284
Mean daily daylight hours 10h 57m 11h 25m 12h 1m 12h 39m 13h 10m 13h 25m 13h 17m 12h 49m 12h 13m 11h 36m 11h 4m 10h 49m

Solar UV radiation in San Francisco, Guanajuato, Mexico §

San Francisco experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly San Francisco UV Index data.

Average daily maximum UV levels by month for San Francisco, Guanajuato, Mexico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 9 11 14 15 15 14 14 14 14 13 10 8