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Monthly climate in Cupuan del Rio, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cupuan del Rio features a tropical savanna climate (Aw). Temperatures typically range between 23 °C (74 °F) and 28 °C (82 °F) through the year, but rarely can drop to 10 °C (51 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1134 mm (44.6 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Cupuan del Rio enjoys an average of 3336 hours of sunshine throughout the year, and daylight varies from 11 hours 0 minutes to 13 hours 13 minutes per day.

Monthly average temperatures in Cupuan del Rio, Mexico

The warmest months in Cupuan del Rio are April, May and June, with daily mean temperatures ranging from 27 to 28 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 23 to 24 °C (74 - 76 °F) throughout the day. On average each year, Cupuan del Rio experiences 326 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 Cupuan del Rio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(94°F)		36°C
(96°F)		37°C
(99°F)		39°C
(102°F)		38°C
(101°F)		39°C
(102°F)		37°C
(98°F)		35°C
(96°F)		34°C
(94°F)		35°C
(95°F)		34°C
(94°F)		34°C
(93°F)
Mean maximum34°C
(93°F)		35°C
(95°F)		36°C
(98°F)		38°C
(100°F)		38°C
(101°F)		36°C
(98°F)		35°C
(96°F)		35°C
(95°F)		34°C
(93°F)		34°C
(93°F)		33°C
(93°F)		33°C
(91°F)
Average high31°C
(87°F)		32°C
(90°F)		34°C
(94°F)		36°C
(96°F)		36°C
(97°F)		33°C
(91°F)		32°C
(90°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		30°C
(87°F)
Daily mean23°C
(74°F)		24°C
(76°F)		26°C
(79°F)		27°C
(80°F)		28°C
(82°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		23°C
(74°F)
Average low17°C
(63°F)		18°C
(64°F)		19°C
(66°F)		19°C
(67°F)		21°C
(70°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		20°C
(67°F)		17°C
(64°F)
Mean minimum13°C
(55°F)		14°C
(57°F)		16°C
(62°F)		16°C
(62°F)		18°C
(65°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		16°C
(61°F)		14°C
(57°F)
Minimum10°C
(51°F)		11°C
(52°F)		14°C
(57°F)		15°C
(60°F)		17°C
(63°F)		19°C
(67°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		18°C
(65°F)		12°C
(55°F)		11°C
(51°F)

Compare climate in Cupuan del Rio with other places

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

Monthly average precipitation in Cupuan del Rio, Mexico

Cupuan del Rio usually has the most precipitation in July, August and September, with an average of 24 rainy days and 225 mm (8.8 inches) of precipitation per month. The driest months in Cupuan del Rio are January, March and April. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cupuan del Rio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)10 (0.4)10 (0.4)4 (0.2)1 (0.0)22 (0.9)166 (6.5)201 (7.9)247 (9.7)225 (8.9)166 (6.5)66 (2.6)15 (0.6)
Average precipitation days (≥ 1 mm)22103192425231873

Monthly sunshine hours in Cupuan del Rio, Mexico

The sunniest months in Cupuan del Rio are March, April and May, when the sun shines an average of 10 hours 26 minutes a day. Least sunny months in Cupuan del Rio: January, August and September receive an average of 7 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cupuan del Rio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours235272317318324262277256242266275286
Mean daily daylight hours11h 7m11h 31m12h 2m12h 34m13h 0m13h 13m13h 6m12h 43m12h 12m11h 41m11h 13m11h 0m

Solar UV radiation in Cupuan del Rio, Mexico

Cupuan del Rio experiences the highest level of ultraviolet (UV) radiation in April, June and July, 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 Cupuan del Rio UV Index data.

Average daily maximum UV levels by month for Cupuan del Rio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313141413131198