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Monthly climate in Cal y Mayor, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cal y Mayor features a tropical savanna climate (Aw). Temperatures typically range between 19 °C (66 °F) and 25 °C (77 °F) through the year, but rarely can drop to 9 °C (49 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 2713 mm (106.8 inches) and receives 248 rainy days on the 1 mm (0.04 inches) threshold annually. Cal y Mayor enjoys an average of 3169 hours of sunshine throughout the year, and daylight varies from 11 hours 7 minutes to 13 hours 6 minutes per day.

Monthly average temperatures in Cal y Mayor, Mexico

The warmest months in Cal y Mayor are May, June and August, with daily mean temperatures ranging from 24 to 25 °C (75 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 19 to 20 °C (66 - 69 °F) throughout the day. On average each year, Cal y Mayor experiences 229 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 Cal y Mayor. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		32°C
(90°F)		33°C
(91°F)		34°C
(94°F)		35°C
(95°F)		34°C
(94°F)		32°C
(89°F)		32°C
(90°F)		33°C
(92°F)		33°C
(91°F)		31°C
(88°F)		31°C
(88°F)
Mean maximum30°C
(86°F)		31°C
(88°F)		32°C
(90°F)		33°C
(92°F)		34°C
(93°F)		31°C
(89°F)		30°C
(86°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		29°C
(85°F)		30°C
(86°F)
Average high23°C
(73°F)		25°C
(77°F)		26°C
(79°F)		29°C
(84°F)		30°C
(86°F)		28°C
(83°F)		28°C
(82°F)		28°C
(83°F)		28°C
(82°F)		26°C
(80°F)		24°C
(76°F)		23°C
(74°F)
Daily mean19°C
(66°F)		20°C
(69°F)		21°C
(71°F)		24°C
(75°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(73°F)		21°C
(69°F)		19°C
(67°F)
Average low16°C
(60°F)		16°C
(62°F)		17°C
(64°F)		19°C
(67°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		21°C
(69°F)		21°C
(69°F)		20°C
(68°F)		18°C
(64°F)		16°C
(61°F)
Mean minimum11°C
(52°F)		11°C
(53°F)		13°C
(56°F)		16°C
(61°F)		18°C
(65°F)		19°C
(67°F)		19°C
(67°F)		20°C
(67°F)		19°C
(67°F)		17°C
(63°F)		13°C
(56°F)		11°C
(51°F)
Minimum9°C
(49°F)		10°C
(49°F)		11°C
(52°F)		14°C
(57°F)		14°C
(58°F)		19°C
(66°F)		18°C
(65°F)		19°C
(67°F)		19°C
(66°F)		16°C
(61°F)		10°C
(51°F)		9°C
(49°F)

Compare climate in Cal y Mayor with other places

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

Monthly average precipitation in Cal y Mayor, Mexico

Cal y Mayor usually has the most precipitation in June, September and October, with an average of 26 rainy days and 346 mm (13.6 inches) of precipitation per month. The driest months in Cal y Mayor are February, March and April. On average, 117 mm (4.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cal y Mayor. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)193 (7.6)135 (5.3)134 (5.3)82 (3.2)147 (5.8)321 (12.6)247 (9.7)287 (11.3)342 (13.5)374 (14.7)263 (10.4)188 (7.4)
Average precipitation days (≥ 1 mm)161314121826282728262119

Monthly sunshine hours in Cal y Mayor, Mexico

The sunniest months in Cal y Mayor are April, May and July, when the sun shines an average of 9 hours 49 minutes a day. Least sunny months in Cal y Mayor: January, February and October receive an average of 7 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cal y Mayor. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199246290297313253293273252247250250
Mean daily daylight hours11h 13m11h 35m12h 2m12h 31m12h 55m13h 6m13h 0m12h 39m12h 11m11h 43m11h 19m11h 7m

Solar UV radiation in Cal y Mayor, Mexico

Cal y Mayor 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 Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Cal y Mayor UV Index data.

Average daily maximum UV levels by month for Cal y Mayor. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9121314141414131312108