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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 13 °C (57 °F) and 23 °C (73 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 685 mm (27.0 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually. Atotonilco enjoys an average of 3470 hours of sunshine throughout the year, and daylight varies from 10 hours 48 minutes to 13 hours 26 minutes per day.

Monthly average temperatures in Atotonilco, Mexico

The warmest months in Atotonilco are May, June and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 13 to 16 °C (57 - 60 °F) throughout the day. On average each year, Atotonilco experiences 198 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
Maximum30°C
(86°F)		34°C
(94°F)		35°C
(95°F)		37°C
(98°F)		36°C
(98°F)		35°C
(96°F)		32°C
(90°F)		33°C
(92°F)		32°C
(91°F)		30°C
(86°F)		30°C
(87°F)		29°C
(84°F)
Mean maximum29°C
(84°F)		31°C
(88°F)		34°C
(93°F)		35°C
(95°F)		35°C
(96°F)		33°C
(92°F)		31°C
(87°F)		31°C
(88°F)		30°C
(87°F)		29°C
(85°F)		28°C
(83°F)		28°C
(83°F)
Average high21°C
(70°F)		25°C
(76°F)		27°C
(81°F)		30°C
(86°F)		30°C
(87°F)		28°C
(82°F)		27°C
(81°F)		27°C
(81°F)		26°C
(78°F)		24°C
(76°F)		23°C
(73°F)		22°C
(72°F)
Daily mean13°C
(57°F)		16°C
(61°F)		18°C
(65°F)		21°C
(70°F)		23°C
(73°F)		22°C
(71°F)		21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		18°C
(65°F)		16°C
(60°F)		14°C
(57°F)
Average low8°C
(46°F)		10°C
(50°F)		12°C
(53°F)		14°C
(58°F)		16°C
(62°F)		17°C
(63°F)		16°C
(62°F)		17°C
(62°F)		16°C
(61°F)		14°C
(57°F)		10°C
(51°F)		7°C
(46°F)
Mean minimum3°C
(37°F)		3°C
(38°F)		7°C
(44°F)		10°C
(50°F)		13°C
(55°F)		15°C
(59°F)		14°C
(58°F)		15°C
(58°F)		13°C
(57°F)		9°C
(49°F)		5°C
(41°F)		1°C
(35°F)
Minimum2°C
(36°F)		1°C
(34°F)		2°C
(35°F)		8°C
(47°F)		10°C
(50°F)		13°C
(56°F)		14°C
(57°F)		14°C
(57°F)		12°C
(53°F)		6°C
(42°F)		-1°C
(31°F)		-1°C
(31°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 June, September and October, with an average of 17 rainy days and 115 mm (4.5 inches) of precipitation per month. The driest months in Atotonilco are January, February and December. On average, 13 mm (0.5 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)14 (0.5)16 (0.6)20 (0.8)23 (0.9)62 (2.4)123 (4.9)97 (3.8)71 (2.8)115 (4.5)107 (4.2)28 (1.1)10 (0.4)
Average precipitation days (≥ 1 mm)355613171615191552

Monthly sunshine hours in Atotonilco, Mexico

The sunniest months in Atotonilco are May, July and August, when the sun shines an average of 10 hours 36 minutes a day. Least sunny months in Atotonilco: January, February and November receive an average of 8 hours 1 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 hours213251300310332320328325284273257273
Mean daily daylight hours10h 56m11h 25m12h 1m12h 39m13h 11m13h 26m13h 18m12h 50m12h 14m11h 36m11h 4m10h 48m

Solar UV radiation in Atotonilco, Mexico

Atotonilco experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 14 - 14, 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 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)811131414141413131297