nomadseason

Monthly climate in Guerrero, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guerrero features a hot semi-arid climate (BSh). Temperatures typically range between 13 °C (56 °F) and 32 °C (90 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 500 mm (19.7 inches) and receives 61 rainy days on the 1 mm (0.04 inches) threshold annually. Guerrero enjoys an average of 3272 hours of sunshine throughout the year, and daylight varies from 10 hours 21 minutes to 13 hours 54 minutes per day.

Monthly average temperatures in Guerrero, Mexico

The warmest months in Guerrero are June, July and August, with daily mean temperatures ranging from 30 to 32 °C (87 - 90 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 16 °C (56 - 60 °F) throughout the day. On average each year, Guerrero experiences 237 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Guerrero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		38°C
(100°F)		37°C
(98°F)		41°C
(106°F)		43°C
(110°F)		42°C
(108°F)		43°C
(110°F)		42°C
(107°F)		41°C
(106°F)		39°C
(103°F)		33°C
(91°F)		35°C
(95°F)
Mean maximum29°C
(84°F)		33°C
(92°F)		35°C
(95°F)		40°C
(103°F)		40°C
(104°F)		40°C
(105°F)		41°C
(107°F)		40°C
(105°F)		40°C
(104°F)		36°C
(97°F)		31°C
(88°F)		30°C
(86°F)
Average high20°C
(68°F)		22°C
(73°F)		27°C
(81°F)		31°C
(87°F)		34°C
(93°F)		36°C
(97°F)		37°C
(100°F)		38°C
(100°F)		34°C
(93°F)		29°C
(85°F)		24°C
(75°F)		21°C
(71°F)
Daily mean13°C
(56°F)		16°C
(60°F)		21°C
(70°F)		24°C
(76°F)		28°C
(82°F)		30°C
(87°F)		31°C
(89°F)		32°C
(90°F)		29°C
(84°F)		24°C
(75°F)		18°C
(65°F)		15°C
(59°F)
Average low8°C
(47°F)		10°C
(50°F)		15°C
(60°F)		18°C
(65°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		26°C
(79°F)		24°C
(75°F)		18°C
(66°F)		13°C
(56°F)		9°C
(49°F)
Mean minimum-0°C
(32°F)		-0°C
(32°F)		7°C
(45°F)		10°C
(51°F)		16°C
(61°F)		22°C
(72°F)		22°C
(73°F)		23°C
(75°F)		19°C
(66°F)		7°C
(45°F)		4°C
(40°F)		2°C
(36°F)
Minimum-4°C
(25°F)		-10°C
(14°F)		1°C
(34°F)		8°C
(47°F)		12°C
(54°F)		20°C
(68°F)		21°C
(70°F)		21°C
(70°F)		13°C
(56°F)		4°C
(39°F)		-1°C
(31°F)		-1°C
(31°F)

Compare climate in Guerrero with other places

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

Monthly average precipitation in Guerrero, Mexico

Guerrero usually has the most precipitation in May, September and October, with an average of 8 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in Guerrero are January, February and December. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guerrero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)13 (0.5)20 (0.8)25 (1.0)42 (1.7)91 (3.6)31 (1.2)33 (1.3)28 (1.1)115 (4.5)61 (2.4)23 (0.9)18 (0.7)
Average precipitation days (≥ 1 mm)444596629633

Monthly sunshine hours in Guerrero, Mexico

The sunniest months in Guerrero are June, July and August, when the sun shines an average of 11 hours 14 minutes a day. Least sunny months in Guerrero: January, February and November receive an average of 6 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guerrero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours183210254268297338353342286263232240
Mean daily daylight hours10h 33m11h 11m12h 0m12h 51m13h 33m13h 54m13h 42m13h 5m12h 16m11h 26m10h 43m10h 21m

Solar UV radiation in Guerrero, Mexico

Guerrero experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / 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 Guerrero UV Index data.

Average daily maximum UV levels by month for Guerrero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)589111112121211975