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Monthly climate in Coyame, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Coyame features a hot desert climate (BWh). Temperatures typically range between 11 °C (52 °F) and 30 °C (87 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 186 mm (7.3 inches) and receives 34 rainy days on the 1 mm (0.04 inches) threshold annually. Coyame enjoys an average of 3627 hours of sunshine throughout the year, and daylight varies from 10 hours 16 minutes to 13 hours 59 minutes per day.

Monthly average temperatures in Coyame, Mexico

The warmest months in Coyame are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (84 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 14 °C (52 - 58 °F) throughout the day. On average each year, Coyame experiences 221 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Coyame. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(82°F)		31°C
(88°F)		36°C
(98°F)		37°C
(99°F)		40°C
(103°F)		43°C
(109°F)		41°C
(106°F)		40°C
(104°F)		38°C
(101°F)		36°C
(97°F)		32°C
(89°F)		29°C
(84°F)
Mean maximum26°C
(78°F)		29°C
(84°F)		34°C
(93°F)		36°C
(97°F)		39°C
(102°F)		41°C
(105°F)		40°C
(103°F)		38°C
(101°F)		36°C
(98°F)		35°C
(95°F)		30°C
(86°F)		26°C
(79°F)
Average high18°C
(65°F)		22°C
(71°F)		27°C
(80°F)		30°C
(87°F)		34°C
(94°F)		37°C
(98°F)		35°C
(96°F)		35°C
(95°F)		31°C
(89°F)		29°C
(84°F)		23°C
(74°F)		18°C
(65°F)
Daily mean11°C
(52°F)		14°C
(58°F)		19°C
(67°F)		23°C
(74°F)		28°C
(82°F)		30°C
(87°F)		29°C
(85°F)		29°C
(84°F)		26°C
(79°F)		22°C
(72°F)		16°C
(62°F)		12°C
(54°F)
Average low4°C
(39°F)		7°C
(45°F)		12°C
(53°F)		15°C
(60°F)		19°C
(67°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		20°C
(68°F)		15°C
(60°F)		10°C
(49°F)		6°C
(42°F)
Mean minimum-4°C
(25°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(45°F)		12°C
(54°F)		18°C
(64°F)		20°C
(69°F)		20°C
(68°F)		16°C
(61°F)		3°C
(38°F)		1°C
(33°F)		-2°C
(29°F)
Minimum-5°C
(23°F)		-9°C
(16°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(50°F)		15°C
(60°F)		19°C
(67°F)		18°C
(64°F)		12°C
(55°F)		-3°C
(26°F)		-4°C
(25°F)		-3°C
(26°F)

Compare climate in Coyame with other places

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

Monthly average precipitation in Coyame, Mexico

Coyame usually has the most precipitation in June, August and September, with an average of 5 rainy days and 29 mm (1.1 inches) of precipitation per month. The driest months in Coyame are February, March and May. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Coyame. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)10 (0.4)9 (0.3)3 (0.1)9 (0.3)5 (0.2)25 (1.0)25 (1.0)26 (1.0)36 (1.4)11 (0.4)10 (0.4)17 (0.7)
Average precipitation days (≥ 1 mm)220114566322

Monthly sunshine hours in Coyame, Mexico

The sunniest months in Coyame are May, June and July, when the sun shines an average of 11 hours 43 minutes a day. Least sunny months in Coyame: January, February and December receive an average of 8 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Coyame. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours217251290323361354361341302294264263
Mean daily daylight hours10h 29m11h 9m12h 0m12h 53m13h 37m13h 59m13h 47m13h 8m12h 17m11h 24m10h 39m10h 16m

Solar UV radiation in Coyame, Mexico

Coyame experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Coyame UV Index data.

Average daily maximum UV levels by month for Coyame. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)68101313131312121076