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Monthly climate in Calalco, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Calalco features a humid subtropical climate (Cfa). Temperatures typically range between 17 °C (63 °F) and 25 °C (77 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 2455 mm (96.6 inches) and receives 230 rainy days on the 1 mm (0.04 inches) threshold annually. Calalco enjoys an average of 3292 hours of sunshine throughout the year, and daylight varies from 10 hours 55 minutes to 13 hours 19 minutes per day.

Monthly average temperatures in Calalco, Mexico

The warmest months in Calalco are May, June and August, with daily mean temperatures ranging from 25 to 25 °C (77 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 19 °C (63 - 66 °F) throughout the day. On average each year, Calalco experiences 227 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 Calalco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		33°C
(92°F)		33°C
(92°F)		35°C
(96°F)		36°C
(97°F)		35°C
(95°F)		32°C
(90°F)		32°C
(91°F)		34°C
(93°F)		33°C
(92°F)		30°C
(87°F)		30°C
(86°F)
Mean maximum29°C
(84°F)		30°C
(86°F)		32°C
(90°F)		34°C
(93°F)		33°C
(93°F)		33°C
(92°F)		31°C
(88°F)		31°C
(88°F)		32°C
(90°F)		32°C
(89°F)		29°C
(84°F)		28°C
(83°F)
Average high21°C
(71°F)		23°C
(74°F)		25°C
(78°F)		28°C
(83°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		27°C
(81°F)		24°C
(76°F)		22°C
(73°F)
Daily mean17°C
(63°F)		19°C
(66°F)		20°C
(69°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		23°C
(73°F)		20°C
(68°F)		18°C
(64°F)
Average low14°C
(57°F)		14°C
(58°F)		16°C
(62°F)		19°C
(66°F)		21°C
(69°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		19°C
(67°F)		16°C
(61°F)		14°C
(57°F)
Mean minimum7°C
(45°F)		8°C
(47°F)		12°C
(53°F)		14°C
(58°F)		18°C
(64°F)		18°C
(65°F)		19°C
(66°F)		18°C
(65°F)		17°C
(64°F)		15°C
(60°F)		10°C
(50°F)		8°C
(47°F)
Minimum6°C
(43°F)		5°C
(41°F)		8°C
(47°F)		11°C
(52°F)		15°C
(59°F)		17°C
(63°F)		18°C
(65°F)		17°C
(63°F)		15°C
(60°F)		14°C
(57°F)		4°C
(40°F)		4°C
(39°F)

Compare climate in Calalco with other places

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

Monthly average precipitation in Calalco, Mexico

Calalco usually has the most precipitation in August, September and October, with an average of 23 rainy days and 319 mm (12.5 inches) of precipitation per month. The driest months in Calalco are January, February and December. On average, 102 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Calalco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)118 (4.6)108 (4.3)152 (6.0)140 (5.5)196 (7.7)290 (11.4)251 (9.9)297 (11.7)330 (13.0)329 (13.0)164 (6.4)81 (3.2)
Average precipitation days (≥ 1 mm)161518131923282724191711

Monthly sunshine hours in Calalco, Mexico

The sunniest months in Calalco are May, July and August, when the sun shines an average of 10 hours 7 minutes a day. Least sunny months in Calalco: January, February and November receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Calalco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours194234281286312291319309279272250258
Mean daily daylight hours11h 2m11h 28m12h 2m12h 36m13h 5m13h 19m13h 11m12h 46m12h 13m11h 38m11h 9m10h 55m

Solar UV radiation in Calalco, Mexico

Calalco experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Calalco UV Index data.

Average daily maximum UV levels by month for Calalco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810111213131312121197