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Monthly climate in El Fuerte de la Union, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification El Fuerte de la Union features a oceanic climate (Cfb). Temperatures typically range between 11 °C (53 °F) and 17 °C (63 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 890 mm (35.0 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. El Fuerte de la Union enjoys an average of 3447 hours of sunshine throughout the year, and daylight varies from 10 hours 57 minutes to 13 hours 16 minutes per day.

Monthly average temperatures in El Fuerte de la Union, Mexico

The warmest months in El Fuerte de la Union are April, May and June, with daily mean temperatures ranging from 16 to 17 °C (61 - 63 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 11 to 13 °C (53 - 55 °F) throughout the day. On average each year, El Fuerte de la Union experiences 24 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 El Fuerte de la Union. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(76°F)		29°C
(84°F)		29°C
(84°F)		28°C
(82°F)		27°C
(81°F)		26°C
(78°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		26°C
(78°F)		24°C
(76°F)		24°C
(75°F)
Mean maximum23°C
(74°F)		25°C
(78°F)		27°C
(80°F)		26°C
(80°F)		26°C
(80°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)
Average high18°C
(65°F)		21°C
(70°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)		19°C
(67°F)
Daily mean11°C
(53°F)		13°C
(56°F)		15°C
(59°F)		16°C
(61°F)		17°C
(63°F)		16°C
(61°F)		15°C
(60°F)		16°C
(60°F)		15°C
(60°F)		14°C
(58°F)		13°C
(55°F)		12°C
(54°F)
Average low6°C
(43°F)		7°C
(45°F)		9°C
(48°F)		11°C
(51°F)		12°C
(53°F)		12°C
(53°F)		10°C
(51°F)		11°C
(52°F)		11°C
(53°F)		10°C
(50°F)		7°C
(46°F)		6°C
(43°F)
Mean minimum2°C
(36°F)		3°C
(38°F)		5°C
(41°F)		7°C
(44°F)		8°C
(47°F)		9°C
(48°F)		8°C
(47°F)		8°C
(47°F)		8°C
(46°F)		7°C
(44°F)		3°C
(38°F)		1°C
(35°F)
Minimum0°C
(33°F)		2°C
(35°F)		3°C
(39°F)		5°C
(41°F)		7°C
(45°F)		7°C
(45°F)		7°C
(46°F)		7°C
(45°F)		5°C
(42°F)		3°C
(37°F)		1°C
(35°F)		-4°C
(26°F)

Compare climate in El Fuerte de la Union with other places

Compare temperature, precipitation, sunshine, UV index in El Fuerte de la Union, Mexico with other places around the world.

Monthly average precipitation in El Fuerte de la Union, Mexico

El Fuerte de la Union usually has the most precipitation in June, August and September, with an average of 20 rainy days and 154 mm (6.0 inches) of precipitation per month. The driest months in El Fuerte de la Union are January, February and December. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in El Fuerte de la Union. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.6)7 (0.3)24 (1.0)61 (2.4)80 (3.2)151 (5.9)95 (3.7)139 (5.5)171 (6.7)108 (4.2)33 (1.3)7 (0.3)
Average precipitation days (≥ 1 mm)3271215221619211872

Monthly sunshine hours in El Fuerte de la Union, Mexico

The sunniest months in El Fuerte de la Union are April, May and July, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in El Fuerte de la Union: January, February and September receive an average of 8 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in El Fuerte de la Union. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours222265308308318283313302272284278288
Mean daily daylight hours11h 5m11h 30m12h 2m12h 35m13h 3m13h 16m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m

Solar UV radiation in El Fuerte de la Union, Mexico

El Fuerte de la Union experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 15 - 15, 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 El Fuerte de la Union UV Index data.

Average daily maximum UV levels by month for El Fuerte de la Union. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10121415151515141413109