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Monthly climate in Atonalisco, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Atonalisco features a tropical savanna climate (As). Temperatures typically range between 20 °C (68 °F) and 27 °C (80 °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 1175 mm (46.3 inches) and receives 116 rainy days on the 1 mm (0.04 inches) threshold annually. Atonalisco enjoys an average of 3455 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 Atonalisco, Mexico

The warmest months in Atonalisco are May, June and July, with daily mean temperatures ranging from 26 to 27 °C (78 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 20 to 21 °C (68 - 70 °F) throughout the day. On average each year, Atonalisco experiences 322 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 Atonalisco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		37°C
(98°F)		36°C
(97°F)		37°C
(100°F)		38°C
(100°F)		38°C
(101°F)		38°C
(101°F)		35°C
(95°F)		34°C
(94°F)		35°C
(95°F)		35°C
(96°F)		33°C
(92°F)
Mean maximum33°C
(91°F)		34°C
(94°F)		35°C
(95°F)		36°C
(98°F)		37°C
(98°F)		36°C
(97°F)		35°C
(95°F)		33°C
(92°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)
Average high29°C
(84°F)		30°C
(86°F)		32°C
(90°F)		33°C
(92°F)		34°C
(94°F)		33°C
(92°F)		32°C
(89°F)		31°C
(88°F)		30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		29°C
(84°F)
Daily mean20°C
(68°F)		21°C
(70°F)		23°C
(73°F)		24°C
(75°F)		26°C
(78°F)		27°C
(80°F)		26°C
(79°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)		23°C
(73°F)		20°C
(69°F)
Average low12°C
(54°F)		13°C
(56°F)		13°C
(55°F)		13°C
(56°F)		16°C
(62°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		16°C
(62°F)		13°C
(56°F)
Mean minimum8°C
(46°F)		9°C
(49°F)		10°C
(49°F)		10°C
(50°F)		12°C
(54°F)		18°C
(64°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		17°C
(62°F)		12°C
(54°F)		9°C
(48°F)
Minimum3°C
(38°F)		8°C
(47°F)		7°C
(45°F)		8°C
(46°F)		11°C
(52°F)		15°C
(59°F)		20°C
(67°F)		19°C
(67°F)		19°C
(67°F)		16°C
(62°F)		11°C
(51°F)		7°C
(46°F)

Compare climate in Atonalisco with other places

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

Monthly average precipitation in Atonalisco, Mexico

Atonalisco usually has the most precipitation in July, August and September, with an average of 26 rainy days and 279 mm (11.0 inches) of precipitation per month. The driest months in Atonalisco are March, April and May. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Atonalisco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)25 (1.0)1 (0.1)1 (0.0)5 (0.2)114 (4.5)232 (9.1)300 (11.8)306 (12.1)143 (5.6)15 (0.6)15 (0.6)
Average precipitation days (≥ 1 mm)12001142529261521

Monthly sunshine hours in Atonalisco, Mexico

The sunniest months in Atonalisco are March, April and May, when the sun shines an average of 10 hours 52 minutes a day. Least sunny months in Atonalisco: January, February and September receive an average of 8 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Atonalisco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours227261318329352306297276254271280277
Mean daily daylight hours10h 58m11h 25m12h 1m12h 39m13h 10m13h 25m13h 17m12h 49m12h 13m11h 36m11h 5m10h 49m

Solar UV radiation in Atonalisco, Mexico

Atonalisco experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 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 9. For more detailed information, check out our hourly Atonalisco UV Index data.

Average daily maximum UV levels by month for Atonalisco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810121313131313131197