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Monthly climate in San Carlos, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Carlos features a hot desert climate (BWh). Temperatures typically range between 10 °C (50 °F) and 28 °C (82 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 329 mm (13.0 inches) and receives 53 rainy days on the 1 mm (0.04 inches) threshold annually. San Carlos enjoys an average of 3636 hours of sunshine throughout the year, and daylight varies from 10 hours 18 minutes to 13 hours 57 minutes per day.

Monthly average temperatures in San Carlos, Mexico

The warmest months in San Carlos are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (50 - 56 °F) throughout the day. On average each year, San Carlos experiences 205 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in San Carlos. 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)		34°C
(94°F)		35°C
(95°F)		39°C
(102°F)		40°C
(104°F)		39°C
(103°F)		38°C
(100°F)		36°C
(98°F)		34°C
(93°F)		30°C
(87°F)		28°C
(82°F)
Mean maximum26°C
(79°F)		28°C
(83°F)		32°C
(90°F)		34°C
(94°F)		37°C
(99°F)		38°C
(101°F)		37°C
(100°F)		36°C
(97°F)		34°C
(94°F)		32°C
(90°F)		28°C
(83°F)		25°C
(78°F)
Average high17°C
(63°F)		21°C
(69°F)		25°C
(77°F)		29°C
(84°F)		33°C
(91°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		29°C
(84°F)		27°C
(80°F)		22°C
(73°F)		18°C
(65°F)
Daily mean10°C
(50°F)		13°C
(56°F)		18°C
(64°F)		22°C
(71°F)		26°C
(79°F)		28°C
(82°F)		27°C
(81°F)		27°C
(80°F)		23°C
(75°F)		20°C
(68°F)		15°C
(60°F)		11°C
(53°F)
Average low4°C
(39°F)		7°C
(45°F)		11°C
(52°F)		14°C
(58°F)		18°C
(65°F)		21°C
(70°F)		21°C
(71°F)		21°C
(70°F)		18°C
(65°F)		14°C
(58°F)		9°C
(48°F)		5°C
(42°F)
Mean minimum-5°C
(24°F)		-3°C
(27°F)		2°C
(35°F)		6°C
(44°F)		11°C
(52°F)		17°C
(63°F)		18°C
(65°F)		18°C
(64°F)		14°C
(57°F)		3°C
(38°F)		1°C
(33°F)		-4°C
(26°F)
Minimum-7°C
(19°F)		-11°C
(13°F)		-2°C
(28°F)		4°C
(39°F)		9°C
(49°F)		15°C
(59°F)		17°C
(63°F)		15°C
(59°F)		11°C
(52°F)		-1°C
(31°F)		-5°C
(24°F)		-10°C
(14°F)

Compare climate in San Carlos with other places

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

Monthly average precipitation in San Carlos, Mexico

San Carlos usually has the most precipitation in June, August and September, with an average of 8 rainy days and 61 mm (2.4 inches) of precipitation per month. The driest months in San Carlos are February, March and April. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Carlos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)11 (0.4)9 (0.4)6 (0.2)9 (0.4)16 (0.6)45 (1.8)32 (1.3)57 (2.2)81 (3.2)28 (1.1)13 (0.5)24 (0.9)
Average precipitation days (≥ 1 mm)2222467910522

Monthly sunshine hours in San Carlos, Mexico

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

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Carlos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours216251296323361354362343304290264266
Mean daily daylight hours10h 30m11h 9m12h 0m12h 52m13h 36m13h 57m13h 45m13h 7m12h 17m11h 25m10h 40m10h 18m

Solar UV radiation in San Carlos, Mexico

San Carlos 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 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 San Carlos UV Index data.

Average daily maximum UV levels by month for San Carlos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)69101313131312121075