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Monthly climate in San Antonio Chum, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Antonio Chum features a tropical savanna climate (Aw). Temperatures typically range between 23 °C (74 °F) and 29 °C (85 °F) through the year, but rarely can drop to 12 °C (53 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 756 mm (29.8 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually. San Antonio Chum enjoys an average of 3659 hours of sunshine throughout the year, and daylight varies from 10 hours 52 minutes to 13 hours 21 minutes per day.

Monthly average temperatures in San Antonio Chum, Mexico

The warmest months in San Antonio Chum are April, May and July, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 23 to 25 °C (74 - 77 °F) throughout the day. On average each year, San Antonio Chum experiences 319 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 San Antonio Chum. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		36°C
(97°F)		38°C
(101°F)		41°C
(106°F)		40°C
(104°F)		38°C
(101°F)		36°C
(98°F)		36°C
(97°F)		36°C
(97°F)		35°C
(96°F)		33°C
(91°F)		34°C
(94°F)
Mean maximum33°C
(92°F)		35°C
(95°F)		37°C
(98°F)		39°C
(103°F)		38°C
(101°F)		36°C
(96°F)		36°C
(97°F)		35°C
(96°F)		35°C
(96°F)		35°C
(94°F)		32°C
(90°F)		33°C
(91°F)
Average high28°C
(83°F)		31°C
(88°F)		33°C
(91°F)		35°C
(95°F)		35°C
(96°F)		33°C
(92°F)		34°C
(93°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		30°C
(86°F)		29°C
(85°F)
Daily mean23°C
(74°F)		25°C
(77°F)		26°C
(80°F)		28°C
(83°F)		29°C
(85°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		25°C
(77°F)		24°C
(75°F)
Average low19°C
(67°F)		20°C
(69°F)		21°C
(70°F)		23°C
(74°F)		24°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		21°C
(70°F)		19°C
(67°F)
Mean minimum13°C
(56°F)		14°C
(58°F)		16°C
(61°F)		18°C
(66°F)		21°C
(70°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		21°C
(69°F)		16°C
(62°F)		13°C
(57°F)
Minimum12°C
(54°F)		12°C
(53°F)		14°C
(57°F)		16°C
(61°F)		20°C
(68°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		16°C
(61°F)		13°C
(56°F)		12°C
(54°F)

Compare climate in San Antonio Chum with other places

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

Monthly average precipitation in San Antonio Chum, Mexico

San Antonio Chum usually has the most precipitation in June, September and October, with an average of 18 rainy days and 133 mm (5.2 inches) of precipitation per month. The driest months in San Antonio Chum are February, March and December. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Antonio Chum. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)23 (0.9)9 (0.4)7 (0.3)28 (1.1)51 (2.0)160 (6.3)75 (3.0)110 (4.3)113 (4.4)126 (5.0)37 (1.5)17 (0.7)
Average precipitation days (≥ 1 mm)42158171418191885

Monthly sunshine hours in San Antonio Chum, Mexico

The sunniest months in San Antonio Chum are May, July and August, when the sun shines an average of 10 hours 58 minutes a day. Least sunny months in San Antonio Chum: January, February and December receive an average of 8 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Antonio Chum. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours224275324316342295343335311302298288
Mean daily daylight hours11h 0m11h 27m12h 2m12h 37m13h 7m13h 21m13h 14m12h 47m12h 13m11h 38m11h 7m10h 52m

Solar UV radiation in San Antonio Chum, Mexico

San Antonio Chum experiences the highest level of ultraviolet (UV) radiation in March, April and May, 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 8. For more detailed information, check out our hourly San Antonio Chum UV Index data.

Average daily maximum UV levels by month for San Antonio Chum. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810131313131312121187