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Monthly climate in Atotonilco, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Atotonilco features a hot semi-arid climate (BSh). Temperatures typically range between 18 °C (64 °F) and 31 °C (89 °F) through the year, but rarely can drop to 8 °C (46 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 286 mm (11.2 inches) and receives 34 rainy days on the 1 mm (0.04 inches) threshold annually. Atotonilco enjoys an average of 3624 hours of sunshine throughout the year, and daylight varies from 10 hours 26 minutes to 13 hours 49 minutes per day.

Monthly average temperatures in Atotonilco, Mexico

The warmest months in Atotonilco are July, August and September, with daily mean temperatures ranging from 30 to 31 °C (86 - 89 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 18 to 19 °C (64 - 66 °F) throughout the day. On average each year, Atotonilco experiences 242 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 Atotonilco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(82°F)		28°C
(82°F)		30°C
(86°F)		33°C
(91°F)		35°C
(96°F)		37°C
(100°F)		38°C
(100°F)		37°C
(100°F)		39°C
(102°F)		37°C
(99°F)		34°C
(93°F)		28°C
(82°F)
Mean maximum26°C
(78°F)		27°C
(80°F)		28°C
(83°F)		32°C
(89°F)		34°C
(93°F)		35°C
(96°F)		37°C
(98°F)		37°C
(99°F)		36°C
(97°F)		36°C
(97°F)		32°C
(90°F)		27°C
(81°F)
Average high23°C
(73°F)		23°C
(74°F)		25°C
(77°F)		28°C
(82°F)		30°C
(87°F)		33°C
(92°F)		34°C
(94°F)		35°C
(94°F)		34°C
(93°F)		32°C
(90°F)		28°C
(83°F)		24°C
(75°F)
Daily mean18°C
(64°F)		18°C
(65°F)		20°C
(67°F)		23°C
(73°F)		26°C
(78°F)		29°C
(85°F)		31°C
(88°F)		31°C
(89°F)		30°C
(86°F)		28°C
(82°F)		23°C
(74°F)		19°C
(66°F)
Average low13°C
(56°F)		13°C
(57°F)		15°C
(59°F)		18°C
(64°F)		21°C
(69°F)		25°C
(78°F)		28°C
(83°F)		29°C
(84°F)		27°C
(81°F)		24°C
(75°F)		19°C
(66°F)		14°C
(58°F)
Mean minimum10°C
(50°F)		10°C
(50°F)		12°C
(53°F)		15°C
(58°F)		18°C
(64°F)		22°C
(71°F)		26°C
(79°F)		26°C
(79°F)		24°C
(75°F)		18°C
(65°F)		15°C
(59°F)		11°C
(51°F)
Minimum8°C
(46°F)		8°C
(46°F)		9°C
(49°F)		14°C
(57°F)		17°C
(63°F)		20°C
(68°F)		26°C
(78°F)		25°C
(78°F)		22°C
(72°F)		15°C
(59°F)		13°C
(56°F)		9°C
(49°F)

Compare climate in Atotonilco with other places

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

Monthly average precipitation in Atotonilco, Mexico

Atotonilco usually has the most precipitation in July, August and September, with an average of 8 rainy days and 66 mm (2.6 inches) of precipitation per month. The driest months in Atotonilco are February, April and May. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Atotonilco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.4)7 (0.3)10 (0.4)0 (0.0)0 (0.0)10 (0.4)30 (1.2)64 (2.5)103 (4.0)22 (0.9)17 (0.7)12 (0.5)
Average precipitation days (≥ 1 mm)1110006911122

Monthly sunshine hours in Atotonilco, Mexico

The sunniest months in Atotonilco are May, June and July, when the sun shines an average of 11 hours 38 minutes a day. Least sunny months in Atotonilco: January, February and December receive an average of 8 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Atotonilco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours218252296326363358348329301302263261
Mean daily daylight hours10h 37m11h 13m12h 1m12h 49m13h 29m13h 49m13h 38m13h 2m12h 16m11h 28m10h 46m10h 26m

Solar UV radiation in Atotonilco, Mexico

Atotonilco experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Atotonilco UV Index data.

Average daily maximum UV levels by month for Atotonilco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6810121212111211975