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Monthly climate in Acatlan del Rio, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Acatlan del Rio features a tropical savanna climate (Aw). Temperatures typically range between 22 °C (72 °F) and 28 °C (83 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1220 mm (48.0 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually. Acatlan del Rio enjoys an average of 3480 hours of sunshine throughout the year, and daylight varies from 11 hours 3 minutes to 13 hours 10 minutes per day.

Monthly average temperatures in Acatlan del Rio, Mexico

The warmest months in Acatlan del Rio are March, April and May, with daily mean temperatures ranging from 26 to 28 °C (79 - 83 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 22 to 23 °C (72 - 73 °F) throughout the day. On average each year, Acatlan del Rio experiences 325 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 Acatlan del Rio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		35°C
(95°F)		37°C
(98°F)		38°C
(100°F)		39°C
(102°F)		36°C
(98°F)		33°C
(92°F)		32°C
(90°F)		31°C
(88°F)		32°C
(89°F)		33°C
(92°F)		32°C
(90°F)
Mean maximum32°C
(90°F)		34°C
(93°F)		36°C
(97°F)		37°C
(99°F)		37°C
(99°F)		34°C
(94°F)		32°C
(90°F)		32°C
(89°F)		31°C
(87°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)
Average high30°C
(86°F)		31°C
(89°F)		34°C
(93°F)		35°C
(95°F)		35°C
(95°F)		30°C
(87°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)
Daily mean23°C
(73°F)		24°C
(76°F)		26°C
(79°F)		28°C
(82°F)		28°C
(83°F)		25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(73°F)		22°C
(72°F)
Average low16°C
(62°F)		18°C
(65°F)		19°C
(67°F)		21°C
(70°F)		22°C
(71°F)		21°C
(70°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		17°C
(63°F)		16°C
(61°F)
Mean minimum12°C
(54°F)		14°C
(58°F)		17°C
(62°F)		19°C
(66°F)		19°C
(67°F)		20°C
(67°F)		18°C
(65°F)		18°C
(65°F)		19°C
(66°F)		17°C
(62°F)		13°C
(56°F)		12°C
(54°F)
Minimum10°C
(49°F)		12°C
(54°F)		16°C
(61°F)		18°C
(64°F)		19°C
(66°F)		18°C
(65°F)		17°C
(62°F)		17°C
(64°F)		18°C
(65°F)		16°C
(60°F)		11°C
(52°F)		9°C
(48°F)

Compare climate in Acatlan del Rio with other places

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

Monthly average precipitation in Acatlan del Rio, Mexico

Acatlan del Rio usually has the most precipitation in July, August and September, with an average of 25 rainy days and 270 mm (10.6 inches) of precipitation per month. The driest months in Acatlan del Rio are January, March and April. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Acatlan del Rio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)5 (0.2)1 (0.1)1 (0.1)28 (1.1)192 (7.6)216 (8.5)298 (11.7)296 (11.6)158 (6.2)20 (0.8)3 (0.1)
Average precipitation days (≥ 1 mm)00006212428252040

Monthly sunshine hours in Acatlan del Rio, Mexico

The sunniest months in Acatlan del Rio are March, April and May, when the sun shines an average of 10 hours 33 minutes a day. Least sunny months in Acatlan del Rio: January, June and September receive an average of 8 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Acatlan del Rio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours244280320322327271304283259277290298
Mean daily daylight hours11h 10m11h 33m12h 2m12h 33m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m

Solar UV radiation in Acatlan del Rio, Mexico

Acatlan del Rio experiences the highest level of ultraviolet (UV) radiation in March, April and September, 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 Acatlan del Rio UV Index data.

Average daily maximum UV levels by month for Acatlan del Rio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1011141413141413141298