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Monthly climate in 12 de Diciembre (Sombreretillo), Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification 12 de Diciembre (Sombreretillo) features a hot semi-arid climate (BSh). Temperatures typically range between 14 °C (58 °F) and 26 °C (79 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 361 mm (14.2 inches) and receives 53 rainy days on the 1 mm (0.04 inches) threshold annually. 12 de Diciembre (Sombreretillo) enjoys an average of 3637 hours of sunshine throughout the year, and daylight varies from 10 hours 37 minutes to 13 hours 37 minutes per day.

Monthly average temperatures in 12 de Diciembre (Sombreretillo), Mexico

The warmest months in 12 de Diciembre (Sombreretillo) are May, June and August, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 17 °C (58 - 63 °F) throughout the day. On average each year, 12 de Diciembre (Sombreretillo) experiences 240 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in 12 de Diciembre (Sombreretillo). Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		35°C
(95°F)		36°C
(98°F)		35°C
(96°F)		37°C
(100°F)		38°C
(101°F)		35°C
(95°F)		34°C
(94°F)		33°C
(92°F)		32°C
(91°F)		31°C
(88°F)		30°C
(87°F)
Mean maximum27°C
(81°F)		31°C
(88°F)		33°C
(92°F)		34°C
(93°F)		36°C
(97°F)		36°C
(97°F)		34°C
(93°F)		33°C
(91°F)		32°C
(90°F)		31°C
(88°F)		29°C
(85°F)		28°C
(82°F)
Average high22°C
(71°F)		25°C
(77°F)		28°C
(83°F)		31°C
(87°F)		33°C
(91°F)		32°C
(89°F)		30°C
(86°F)		30°C
(86°F)		27°C
(81°F)		27°C
(81°F)		25°C
(77°F)		22°C
(72°F)
Daily mean14°C
(58°F)		17°C
(63°F)		20°C
(69°F)		23°C
(74°F)		26°C
(79°F)		26°C
(79°F)		24°C
(76°F)		25°C
(77°F)		22°C
(72°F)		21°C
(69°F)		17°C
(64°F)		15°C
(58°F)
Average low7°C
(45°F)		10°C
(50°F)		12°C
(54°F)		15°C
(60°F)		18°C
(65°F)		20°C
(67°F)		19°C
(66°F)		19°C
(66°F)		17°C
(63°F)		14°C
(58°F)		11°C
(51°F)		8°C
(46°F)
Mean minimum1°C
(33°F)		4°C
(39°F)		7°C
(45°F)		9°C
(49°F)		13°C
(57°F)		17°C
(63°F)		17°C
(62°F)		16°C
(62°F)		14°C
(58°F)		8°C
(47°F)		4°C
(39°F)		-1°C
(30°F)
Minimum-1°C
(30°F)		-1°C
(30°F)		4°C
(39°F)		7°C
(44°F)		11°C
(51°F)		15°C
(59°F)		16°C
(61°F)		16°C
(61°F)		12°C
(54°F)		7°C
(45°F)		-4°C
(26°F)		-5°C
(24°F)

Compare climate in 12 de Diciembre (Sombreretillo) with other places

Compare temperature, precipitation, sunshine, UV index in 12 de Diciembre (Sombreretillo), Mexico with other places around the world.

Monthly average precipitation in 12 de Diciembre (Sombreretillo), Mexico

12 de Diciembre (Sombreretillo) usually has the most precipitation in July, August and September, with an average of 11 rainy days and 76 mm (3.0 inches) of precipitation per month. The driest months in 12 de Diciembre (Sombreretillo) are January, April and November. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in 12 de Diciembre (Sombreretillo). Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)8 (0.3)9 (0.4)9 (0.3)7 (0.3)11 (0.4)33 (1.3)83 (3.3)45 (1.8)99 (3.9)40 (1.6)6 (0.2)11 (0.4)
Average precipitation days (≥ 1 mm)11113512615611

Monthly sunshine hours in 12 de Diciembre (Sombreretillo), Mexico

The sunniest months in 12 de Diciembre (Sombreretillo) are May, June and July, when the sun shines an average of 11 hours 23 minutes a day. Least sunny months in 12 de Diciembre (Sombreretillo): January, February and November receive an average of 8 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in 12 de Diciembre (Sombreretillo). Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours221262311325352346349341287290271275
Mean daily daylight hours10h 47m11h 19m12h 1m12h 44m13h 20m13h 37m13h 28m12h 56m12h 15m11h 32m10h 55m10h 37m

Solar UV radiation in 12 de Diciembre (Sombreretillo), Mexico

12 de Diciembre (Sombreretillo) 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 12 de Diciembre (Sombreretillo) UV Index data.

Average daily maximum UV levels by month for 12 de Diciembre (Sombreretillo). Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810121414131413131197