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Monthly climate in San Bartolome Ayautla, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Bartolome Ayautla features a subtropical climate (Cwb). Temperatures typically range between 16 °C (61 °F) and 22 °C (72 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 2483 mm (97.7 inches) and receives 240 rainy days on the 1 mm (0.04 inches) threshold annually. San Bartolome Ayautla enjoys an average of 3466 hours of sunshine throughout the year, and daylight varies from 11 hours 3 minutes to 13 hours 10 minutes per day.

Monthly average temperatures in San Bartolome Ayautla, Mexico

The warmest months in San Bartolome Ayautla are May, June and September, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (61 - 64 °F) throughout the day. On average each year, San Bartolome Ayautla experiences 140 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 Bartolome Ayautla. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		34°C
(93°F)		33°C
(92°F)		35°C
(96°F)		34°C
(93°F)		32°C
(90°F)		28°C
(83°F)		29°C
(85°F)		30°C
(87°F)		31°C
(89°F)		29°C
(84°F)		29°C
(85°F)
Mean maximum28°C
(83°F)		29°C
(85°F)		31°C
(89°F)		33°C
(91°F)		32°C
(89°F)		29°C
(85°F)		27°C
(82°F)		28°C
(82°F)		28°C
(83°F)		29°C
(85°F)		27°C
(81°F)		27°C
(81°F)
Average high20°C
(69°F)		22°C
(73°F)		24°C
(75°F)		26°C
(79°F)		27°C
(80°F)		26°C
(78°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		24°C
(76°F)		22°C
(72°F)		21°C
(70°F)
Daily mean16°C
(61°F)		17°C
(64°F)		19°C
(66°F)		21°C
(70°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		18°C
(64°F)		16°C
(62°F)
Average low12°C
(55°F)		13°C
(56°F)		15°C
(59°F)		16°C
(62°F)		18°C
(65°F)		18°C
(65°F)		17°C
(64°F)		18°C
(64°F)		18°C
(64°F)		17°C
(63°F)		14°C
(58°F)		13°C
(55°F)
Mean minimum8°C
(47°F)		8°C
(46°F)		11°C
(52°F)		12°C
(54°F)		15°C
(60°F)		16°C
(61°F)		16°C
(60°F)		16°C
(61°F)		16°C
(60°F)		14°C
(58°F)		10°C
(51°F)		8°C
(47°F)
Minimum6°C
(44°F)		5°C
(41°F)		8°C
(46°F)		10°C
(51°F)		13°C
(56°F)		16°C
(60°F)		15°C
(60°F)		16°C
(60°F)		15°C
(59°F)		11°C
(52°F)		7°C
(45°F)		4°C
(40°F)

Compare climate in San Bartolome Ayautla with other places

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

Monthly average precipitation in San Bartolome Ayautla, Mexico

San Bartolome Ayautla usually has the most precipitation in June, September and October, with an average of 26 rainy days and 368 mm (14.5 inches) of precipitation per month. The driest months in San Bartolome Ayautla are February, March and December. On average, 81 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Bartolome Ayautla. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)96 (3.8)83 (3.3)87 (3.4)124 (4.9)181 (7.1)375 (14.8)239 (9.4)322 (12.7)402 (15.8)328 (12.9)176 (6.9)72 (2.8)
Average precipitation days (≥ 1 mm)151212162527272827241611

Monthly sunshine hours in San Bartolome Ayautla, Mexico

The sunniest months in San Bartolome Ayautla are April, May and July, when the sun shines an average of 10 hours 19 minutes a day. Least sunny months in San Bartolome Ayautla: January, February and November receive an average of 8 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Bartolome Ayautla. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours214266307310318288321306281290274286
Mean daily daylight hours11h 10m11h 33m12h 2m12h 33m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m

Solar UV radiation in San Bartolome Ayautla, Mexico

San Bartolome Ayautla 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 Bartolome Ayautla UV Index data.

Average daily maximum UV levels by month for San Bartolome Ayautla. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10121314141415131412109