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Monthly climate in San Andres, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Andres features a subtropical climate (Cwb). Temperatures typically range between 19 °C (66 °F) and 24 °C (76 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1116 mm (43.9 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually. San Andres enjoys an average of 3574 hours of sunshine throughout the year, and daylight varies from 11 hours 0 minutes to 13 hours 13 minutes per day.

Monthly average temperatures in San Andres, Mexico

The warmest months in San Andres are March, April and May, with daily mean temperatures ranging from 23 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 19 to 20 °C (66 - 68 °F) throughout the day. On average each year, San Andres experiences 299 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 Andres. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		32°C
(90°F)		35°C
(95°F)		35°C
(96°F)		35°C
(95°F)		34°C
(93°F)		32°C
(89°F)		31°C
(88°F)		29°C
(85°F)		31°C
(87°F)		30°C
(87°F)		29°C
(85°F)
Mean maximum29°C
(85°F)		31°C
(89°F)		33°C
(92°F)		35°C
(94°F)		34°C
(93°F)		30°C
(87°F)		31°C
(87°F)		30°C
(86°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)
Average high26°C
(80°F)		28°C
(83°F)		31°C
(87°F)		32°C
(90°F)		31°C
(88°F)		27°C
(81°F)		27°C
(82°F)		27°C
(81°F)		26°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(80°F)
Daily mean19°C
(66°F)		20°C
(69°F)		23°C
(73°F)		24°C
(76°F)		24°C
(76°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)
Average low12°C
(53°F)		13°C
(55°F)		15°C
(59°F)		17°C
(62°F)		18°C
(64°F)		18°C
(64°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		16°C
(62°F)		14°C
(57°F)		12°C
(54°F)
Mean minimum8°C
(47°F)		9°C
(49°F)		12°C
(55°F)		13°C
(56°F)		15°C
(59°F)		16°C
(61°F)		15°C
(60°F)		16°C
(60°F)		16°C
(60°F)		14°C
(57°F)		10°C
(51°F)		9°C
(48°F)
Minimum6°C
(43°F)		8°C
(47°F)		11°C
(53°F)		12°C
(53°F)		14°C
(57°F)		15°C
(60°F)		14°C
(58°F)		15°C
(59°F)		15°C
(59°F)		12°C
(54°F)		8°C
(47°F)		7°C
(44°F)

Compare climate in San Andres with other places

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

Monthly average precipitation in San Andres, Mexico

San Andres usually has the most precipitation in June, August and September, with an average of 25 rainy days and 231 mm (9.1 inches) of precipitation per month. The driest months in San Andres are January, February and December. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Andres. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)2 (0.1)6 (0.2)18 (0.7)94 (3.7)260 (10.2)151 (5.9)219 (8.6)214 (8.4)115 (4.5)32 (1.3)2 (0.1)
Average precipitation days (≥ 1 mm)001414252025261950

Monthly sunshine hours in San Andres, Mexico

The sunniest months in San Andres are March, April and May, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in San Andres: January, February and September receive an average of 8 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Andres. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours244279321322334293315299280295289297
Mean daily daylight hours11h 8m11h 31m12h 2m12h 34m13h 0m13h 13m13h 6m12h 43m12h 12m11h 41m11h 14m11h 0m

Solar UV radiation in San Andres, Mexico

San Andres experiences the highest level of ultraviolet (UV) radiation in April, July 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 Andres UV Index data.

Average daily maximum UV levels by month for San Andres. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10121414141415141412108