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Monthly climate in Casas, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Casas features a tropical savanna climate (Aw). Temperatures typically range between 18 °C (65 °F) and 30 °C (86 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 44 °C (111 °F). The average annual precipitation amounts to about 669 mm (26.3 inches) and receives 88 rainy days on the 1 mm (0.04 inches) threshold annually. Casas enjoys an average of 3434 hours of sunshine throughout the year, and daylight varies from 10 hours 41 minutes to 13 hours 33 minutes per day.

Monthly average temperatures in Casas, Mexico

The warmest months in Casas are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 18 to 20 °C (65 - 69 °F) throughout the day. On average each year, Casas experiences 282 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 Casas. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(99°F)		39°C
(102°F)		40°C
(105°F)		44°C
(111°F)		42°C
(109°F)		42°C
(109°F)		42°C
(109°F)		42°C
(108°F)		42°C
(108°F)		39°C
(102°F)		34°C
(94°F)		35°C
(96°F)
Mean maximum33°C
(91°F)		36°C
(96°F)		38°C
(101°F)		41°C
(106°F)		40°C
(105°F)		40°C
(105°F)		40°C
(104°F)		40°C
(105°F)		39°C
(103°F)		36°C
(97°F)		33°C
(92°F)		32°C
(90°F)
Average high25°C
(77°F)		28°C
(82°F)		31°C
(88°F)		34°C
(93°F)		36°C
(96°F)		36°C
(97°F)		36°C
(97°F)		37°C
(99°F)		34°C
(93°F)		31°C
(88°F)		28°C
(82°F)		26°C
(79°F)
Daily mean18°C
(65°F)		20°C
(69°F)		23°C
(75°F)		26°C
(80°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		28°C
(82°F)		25°C
(77°F)		21°C
(70°F)		19°C
(67°F)
Average low13°C
(56°F)		15°C
(59°F)		18°C
(64°F)		20°C
(69°F)		23°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		20°C
(68°F)		16°C
(62°F)		14°C
(57°F)
Mean minimum5°C
(42°F)		7°C
(45°F)		11°C
(52°F)		14°C
(58°F)		19°C
(66°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		19°C
(67°F)		13°C
(55°F)		8°C
(47°F)		6°C
(43°F)
Minimum1°C
(34°F)		1°C
(34°F)		7°C
(45°F)		11°C
(52°F)		14°C
(58°F)		21°C
(70°F)		21°C
(71°F)		22°C
(71°F)		17°C
(64°F)		12°C
(53°F)		2°C
(36°F)		1°C
(34°F)

Compare climate in Casas with other places

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

Monthly average precipitation in Casas, Mexico

Casas usually has the most precipitation in June, July and September, with an average of 13 rainy days and 111 mm (4.4 inches) of precipitation per month. The driest months in Casas are January, February and December. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Casas. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)13 (0.5)32 (1.3)35 (1.4)63 (2.5)103 (4.0)95 (3.8)45 (1.8)136 (5.3)86 (3.4)32 (1.2)12 (0.5)
Average precipitation days (≥ 1 mm)3355713119151052

Monthly sunshine hours in Casas, Mexico

The sunniest months in Casas are June, July and August, when the sun shines an average of 10 hours 43 minutes a day. Least sunny months in Casas: January, February and December receive an average of 7 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Casas. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours198245275285317319330336297294269263
Mean daily daylight hours10h 50m11h 21m12h 1m12h 42m13h 17m13h 33m13h 24m12h 54m12h 14m11h 33m10h 58m10h 41m

Solar UV radiation in Casas, Mexico

Casas 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 Casas UV Index data.

Average daily maximum UV levels by month for Casas. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79111212121312121086