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Monthly climate in San Cristobal, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Cristobal features a cold semi-arid climate (BSk). Temperatures typically range between 14 °C (57 °F) and 23 °C (73 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 654 mm (25.8 inches) and receives 79 rainy days on the 1 mm (0.04 inches) threshold annually. San Cristobal enjoys an average of 3642 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 Cristobal, Mexico

The warmest months in San Cristobal are April, May and June, with daily mean temperatures ranging from 21 to 23 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 16 °C (57 - 61 °F) throughout the day. On average each year, San Cristobal experiences 196 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 Cristobal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		30°C
(86°F)		33°C
(91°F)		33°C
(92°F)		36°C
(97°F)		35°C
(96°F)		32°C
(89°F)		32°C
(90°F)		30°C
(86°F)		30°C
(87°F)		29°C
(85°F)		27°C
(82°F)
Mean maximum26°C
(78°F)		28°C
(83°F)		31°C
(87°F)		31°C
(89°F)		33°C
(92°F)		33°C
(91°F)		30°C
(86°F)		30°C
(86°F)		28°C
(83°F)		29°C
(84°F)		28°C
(83°F)		26°C
(79°F)
Average high22°C
(72°F)		24°C
(75°F)		27°C
(81°F)		29°C
(84°F)		30°C
(86°F)		28°C
(83°F)		26°C
(79°F)		27°C
(80°F)		25°C
(77°F)		25°C
(78°F)		24°C
(76°F)		22°C
(72°F)
Daily mean14°C
(57°F)		16°C
(61°F)		19°C
(67°F)		21°C
(70°F)		23°C
(73°F)		22°C
(71°F)		20°C
(68°F)		20°C
(69°F)		19°C
(67°F)		19°C
(66°F)		16°C
(62°F)		14°C
(58°F)
Average low7°C
(45°F)		9°C
(48°F)		11°C
(52°F)		13°C
(55°F)		15°C
(59°F)		16°C
(61°F)		15°C
(59°F)		15°C
(59°F)		14°C
(58°F)		13°C
(55°F)		9°C
(49°F)		7°C
(45°F)
Mean minimum1°C
(35°F)		4°C
(39°F)		7°C
(44°F)		8°C
(47°F)		11°C
(52°F)		14°C
(57°F)		12°C
(54°F)		13°C
(55°F)		11°C
(52°F)		8°C
(47°F)		5°C
(41°F)		1°C
(34°F)
Minimum0°C
(33°F)		2°C
(36°F)		4°C
(40°F)		7°C
(44°F)		10°C
(50°F)		11°C
(52°F)		11°C
(53°F)		12°C
(54°F)		9°C
(48°F)		5°C
(41°F)		1°C
(34°F)		-2°C
(29°F)

Compare climate in San Cristobal with other places

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

Monthly average precipitation in San Cristobal, Mexico

San Cristobal usually has the most precipitation in June, July and September, with an average of 15 rainy days and 137 mm (5.4 inches) of precipitation per month. The driest months in San Cristobal are March, April and December. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Cristobal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)11 (0.5)10 (0.4)6 (0.2)3 (0.1)26 (1.0)128 (5.0)142 (5.6)113 (4.5)141 (5.5)53 (2.1)14 (0.6)7 (0.3)
Average precipitation days (≥ 1 mm)2121413181216811

Monthly sunshine hours in San Cristobal, Mexico

The sunniest months in San Cristobal are May, July and August, when the sun shines an average of 10 hours 52 minutes a day. Least sunny months in San Cristobal: January, February and November receive an average of 8 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Cristobal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours234271319326347318333330295293284288
Mean daily daylight hours10h 57m11h 25m12h 1m12h 39m13h 10m13h 25m13h 17m12h 49m12h 13m11h 36m11h 4m10h 49m

Solar UV radiation in San Cristobal, Mexico

San Cristobal 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 Cristobal UV Index data.

Average daily maximum UV levels by month for San Cristobal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9111415151413141412108