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Monthly climate in La Fortaleza, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification La Fortaleza features a tropical savanna climate (Aw). Temperatures typically range between 20 °C (68 °F) and 30 °C (87 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 46 °C (115 °F). The average annual precipitation amounts to about 992 mm (39.0 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. La Fortaleza enjoys an average of 3240 hours of sunshine throughout the year, and daylight varies from 10 hours 48 minutes to 13 hours 26 minutes per day.

Monthly average temperatures in La Fortaleza, Mexico

The warmest months in La Fortaleza are May, June and August, with daily mean temperatures ranging from 30 to 30 °C (86 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 20 to 22 °C (68 - 72 °F) throughout the day. On average each year, La Fortaleza experiences 293 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 La Fortaleza. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(101°F)		39°C
(103°F)		44°C
(111°F)		46°C
(115°F)		45°C
(114°F)		42°C
(108°F)		42°C
(108°F)		42°C
(108°F)		42°C
(107°F)		41°C
(105°F)		35°C
(95°F)		37°C
(100°F)
Mean maximum34°C
(93°F)		36°C
(97°F)		40°C
(105°F)		44°C
(112°F)		42°C
(108°F)		40°C
(105°F)		39°C
(102°F)		39°C
(103°F)		38°C
(102°F)		37°C
(99°F)		33°C
(92°F)		34°C
(93°F)
Average high26°C
(79°F)		29°C
(84°F)		32°C
(89°F)		35°C
(96°F)		37°C
(98°F)		35°C
(96°F)		35°C
(96°F)		36°C
(96°F)		34°C
(93°F)		32°C
(89°F)		29°C
(84°F)		27°C
(82°F)
Daily mean20°C
(68°F)		22°C
(72°F)		25°C
(77°F)		28°C
(83°F)		30°C
(87°F)		30°C
(86°F)		30°C
(85°F)		30°C
(86°F)		28°C
(83°F)		26°C
(80°F)		23°C
(74°F)		21°C
(70°F)
Average low16°C
(61°F)		17°C
(64°F)		20°C
(68°F)		23°C
(73°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(78°F)		24°C
(76°F)		22°C
(72°F)		19°C
(66°F)		16°C
(61°F)
Mean minimum9°C
(49°F)		10°C
(51°F)		14°C
(58°F)		18°C
(64°F)		22°C
(72°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		22°C
(71°F)		16°C
(61°F)		12°C
(54°F)		10°C
(51°F)
Minimum6°C
(43°F)		7°C
(44°F)		10°C
(50°F)		15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		21°C
(69°F)		15°C
(59°F)		5°C
(42°F)		6°C
(43°F)

Compare climate in La Fortaleza with other places

Compare temperature, precipitation, sunshine, UV index in La Fortaleza, Mexico with other places around the world.

Monthly average precipitation in La Fortaleza, Mexico

La Fortaleza usually has the most precipitation in June, September and October, with an average of 17 rainy days and 160 mm (6.3 inches) of precipitation per month. The driest months in La Fortaleza are February, November and December. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in La Fortaleza. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.7)20 (0.8)33 (1.3)37 (1.5)84 (3.3)163 (6.4)138 (5.4)115 (4.5)165 (6.5)151 (6.0)29 (1.2)15 (0.6)
Average precipitation days (≥ 1 mm)668713191918191463

Monthly sunshine hours in La Fortaleza, Mexico

The sunniest months in La Fortaleza are June, July and August, when the sun shines an average of 10 hours 20 minutes a day. Least sunny months in La Fortaleza: January, February and November receive an average of 7 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in La Fortaleza. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours178225258266294307321322286274245258
Mean daily daylight hours10h 57m11h 25m12h 1m12h 39m13h 10m13h 26m13h 17m12h 50m12h 13m11h 36m11h 4m10h 48m

Solar UV radiation in La Fortaleza, Mexico

La Fortaleza experiences the highest level of ultraviolet (UV) radiation in April, July and September, when the maximum UV index can reach values of 12 - 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 La Fortaleza UV Index data.

Average daily maximum UV levels by month for La Fortaleza. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79121212121312121086