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Monthly climate in San Juan Chamacua, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Juan Chamacua features a tropical savanna climate (Aw). Temperatures typically range between 26 °C (78 °F) and 32 °C (89 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 887 mm (34.9 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually. San Juan Chamacua enjoys an average of 3534 hours of sunshine throughout the year, and daylight varies from 11 hours 2 minutes to 13 hours 12 minutes per day.

Monthly average temperatures in San Juan Chamacua, Mexico

The warmest months in San Juan Chamacua are March, April and May, with daily mean temperatures ranging from 30 to 32 °C (86 - 89 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 26 to 27 °C (78 - 80 °F) throughout the day. On average each year, San Juan Chamacua experiences 329 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 Juan Chamacua. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(98°F)		38°C
(101°F)		40°C
(105°F)		42°C
(107°F)		42°C
(108°F)		41°C
(106°F)		39°C
(102°F)		38°C
(100°F)		37°C
(99°F)		37°C
(98°F)		37°C
(98°F)		36°C
(97°F)
Mean maximum36°C
(96°F)		38°C
(100°F)		40°C
(104°F)		41°C
(106°F)		42°C
(107°F)		39°C
(102°F)		37°C
(98°F)		36°C
(98°F)		35°C
(95°F)		35°C
(95°F)		35°C
(95°F)		35°C
(95°F)
Average high33°C
(92°F)		35°C
(95°F)		38°C
(100°F)		39°C
(103°F)		39°C
(103°F)		35°C
(95°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		32°C
(90°F)		33°C
(91°F)		33°C
(91°F)
Daily mean26°C
(79°F)		27°C
(82°F)		30°C
(86°F)		31°C
(88°F)		32°C
(89°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		27°C
(80°F)		26°C
(78°F)
Average low19°C
(67°F)		20°C
(68°F)		22°C
(71°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		21°C
(70°F)		19°C
(66°F)
Mean minimum15°C
(59°F)		16°C
(62°F)		19°C
(66°F)		19°C
(66°F)		21°C
(71°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(69°F)		17°C
(63°F)		15°C
(60°F)
Minimum14°C
(57°F)		14°C
(57°F)		17°C
(62°F)		18°C
(64°F)		20°C
(68°F)		21°C
(70°F)		21°C
(71°F)		22°C
(71°F)		22°C
(71°F)		20°C
(69°F)		15°C
(59°F)		13°C
(56°F)

Compare climate in San Juan Chamacua with other places

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

Monthly average precipitation in San Juan Chamacua, Mexico

San Juan Chamacua usually has the most precipitation in June, August and September, with an average of 19 rainy days and 189 mm (7.4 inches) of precipitation per month. The driest months in San Juan Chamacua are January, March and April. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Juan Chamacua. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)4 (0.2)0 (0.0)0 (0.0)22 (0.9)172 (6.8)125 (4.9)182 (7.2)212 (8.4)140 (5.5)24 (0.9)3 (0.1)
Average precipitation days (≥ 1 mm)00003171820201640

Monthly sunshine hours in San Juan Chamacua, Mexico

The sunniest months in San Juan Chamacua are March, April and May, when the sun shines an average of 10 hours 40 minutes a day. Least sunny months in San Juan Chamacua: January, February and September receive an average of 8 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Juan Chamacua. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours244279321324335288310290276281285295
Mean daily daylight hours11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 15m11h 2m

Solar UV radiation in San Juan Chamacua, Mexico

San Juan Chamacua experiences the highest level of ultraviolet (UV) radiation in April, June and September, when the maximum UV index can reach values of 13 - 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 9. For more detailed information, check out our hourly San Juan Chamacua UV Index data.

Average daily maximum UV levels by month for San Juan Chamacua. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313141313131188