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Monthly climate in Vallecillo, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Vallecillo features a hot semi-arid climate (BSh). Temperatures typically range between 15 °C (59 °F) and 31 °C (89 °F) through the year, but rarely can drop to -7 °C (21 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 490 mm (19.3 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Vallecillo enjoys an average of 3282 hours of sunshine throughout the year, and daylight varies from 10 hours 28 minutes to 13 hours 46 minutes per day.

Monthly average temperatures in Vallecillo, Mexico

The warmest months in Vallecillo are June, July and August, 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 15 to 17 °C (59 - 64 °F) throughout the day. On average each year, Vallecillo experiences 256 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 Vallecillo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)		39°C
(102°F)		40°C
(104°F)		42°C
(107°F)		43°C
(110°F)		43°C
(109°F)		42°C
(108°F)		42°C
(108°F)		40°C
(105°F)		40°C
(105°F)		34°C
(93°F)		37°C
(98°F)
Mean maximum32°C
(90°F)		36°C
(96°F)		38°C
(100°F)		41°C
(106°F)		40°C
(105°F)		40°C
(105°F)		41°C
(105°F)		41°C
(105°F)		40°C
(103°F)		37°C
(99°F)		33°C
(91°F)		33°C
(91°F)
Average high22°C
(71°F)		25°C
(77°F)		29°C
(84°F)		32°C
(90°F)		35°C
(95°F)		36°C
(97°F)		37°C
(99°F)		38°C
(100°F)		34°C
(93°F)		30°C
(86°F)		25°C
(78°F)		24°C
(75°F)
Daily mean15°C
(59°F)		17°C
(64°F)		22°C
(72°F)		25°C
(78°F)		28°C
(83°F)		30°C
(86°F)		31°C
(88°F)		31°C
(89°F)		28°C
(83°F)		24°C
(76°F)		19°C
(67°F)		17°C
(62°F)
Average low10°C
(49°F)		12°C
(53°F)		16°C
(62°F)		19°C
(67°F)		23°C
(74°F)		25°C
(77°F)		26°C
(78°F)		26°C
(79°F)		24°C
(75°F)		19°C
(66°F)		14°C
(58°F)		11°C
(52°F)
Mean minimum2°C
(36°F)		2°C
(37°F)		8°C
(47°F)		12°C
(53°F)		17°C
(63°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		8°C
(47°F)		6°C
(42°F)		3°C
(38°F)
Minimum-1°C
(30°F)		-7°C
(21°F)		4°C
(39°F)		9°C
(48°F)		14°C
(58°F)		20°C
(68°F)		23°C
(73°F)		23°C
(73°F)		16°C
(61°F)		6°C
(43°F)		-0°C
(32°F)		0°C
(33°F)

Compare climate in Vallecillo with other places

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

Monthly average precipitation in Vallecillo, Mexico

Vallecillo usually has the most precipitation in May, July and September, with an average of 8 rainy days and 78 mm (3.1 inches) of precipitation per month. The driest months in Vallecillo are January, February and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Vallecillo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)11 (0.4)28 (1.1)42 (1.6)72 (2.8)53 (2.1)63 (2.5)22 (0.9)99 (3.9)45 (1.8)20 (0.8)18 (0.7)
Average precipitation days (≥ 1 mm)3456119629743

Monthly sunshine hours in Vallecillo, Mexico

The sunniest months in Vallecillo are June, July and August, when the sun shines an average of 11 hours 6 minutes a day. Least sunny months in Vallecillo: January, February and November receive an average of 7 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Vallecillo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours179222264265300332345344279270230247
Mean daily daylight hours10h 40m11h 15m12h 1m12h 48m13h 27m13h 46m13h 36m13h 1m12h 16m11h 29m10h 48m10h 28m

Solar UV radiation in Vallecillo, Mexico

Vallecillo 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 Vallecillo UV Index data.

Average daily maximum UV levels by month for Vallecillo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6910121212121211975