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Monthly climate in Santa Teresa, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Teresa features a cold semi-arid climate (BSk). Temperatures typically range between 13 °C (55 °F) and 22 °C (72 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 445 mm (17.5 inches) and receives 68 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Teresa enjoys an average of 3564 hours of sunshine throughout the year, and daylight varies from 10 hours 46 minutes to 13 hours 28 minutes per day.

Monthly average temperatures in Santa Teresa, Mexico

The warmest months in Santa Teresa are May, June and August, with daily mean temperatures ranging from 21 to 22 °C (69 - 72 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 13 to 15 °C (55 - 60 °F) throughout the day. On average each year, Santa Teresa experiences 191 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Santa Teresa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(82°F)		32°C
(90°F)		34°C
(93°F)		34°C
(93°F)		35°C
(95°F)		34°C
(93°F)		31°C
(89°F)		31°C
(88°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		27°C
(81°F)
Mean maximum26°C
(79°F)		29°C
(85°F)		31°C
(88°F)		32°C
(90°F)		34°C
(93°F)		32°C
(90°F)		30°C
(87°F)		30°C
(87°F)		29°C
(84°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)
Average high21°C
(70°F)		24°C
(75°F)		27°C
(80°F)		29°C
(84°F)		30°C
(86°F)		28°C
(82°F)		27°C
(80°F)		27°C
(81°F)		25°C
(78°F)		24°C
(76°F)		23°C
(74°F)		22°C
(71°F)
Daily mean13°C
(55°F)		15°C
(60°F)		18°C
(65°F)		20°C
(69°F)		22°C
(72°F)		21°C
(70°F)		20°C
(69°F)		21°C
(69°F)		19°C
(67°F)		18°C
(64°F)		15°C
(60°F)		13°C
(56°F)
Average low7°C
(44°F)		8°C
(47°F)		10°C
(51°F)		13°C
(55°F)		15°C
(59°F)		16°C
(60°F)		15°C
(59°F)		15°C
(60°F)		15°C
(59°F)		13°C
(55°F)		9°C
(49°F)		6°C
(44°F)
Mean minimum2°C
(35°F)		2°C
(36°F)		6°C
(42°F)		8°C
(46°F)		11°C
(53°F)		13°C
(56°F)		13°C
(56°F)		13°C
(56°F)		12°C
(54°F)		8°C
(47°F)		4°C
(39°F)		-1°C
(30°F)
Minimum1°C
(34°F)		1°C
(33°F)		1°C
(33°F)		6°C
(44°F)		8°C
(47°F)		11°C
(53°F)		12°C
(54°F)		12°C
(54°F)		11°C
(52°F)		4°C
(39°F)		-1°C
(31°F)		-5°C
(23°F)

Compare climate in Santa Teresa with other places

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

Monthly average precipitation in Santa Teresa, Mexico

Santa Teresa usually has the most precipitation in June, July and September, with an average of 11 rainy days and 79 mm (3.1 inches) of precipitation per month. The driest months in Santa Teresa are January, February and December. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Teresa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)11 (0.4)10 (0.4)14 (0.5)11 (0.4)40 (1.6)84 (3.3)69 (2.7)47 (1.9)86 (3.4)48 (1.9)16 (0.6)9 (0.4)
Average precipitation days (≥ 1 mm)22336119614921

Monthly sunshine hours in Santa Teresa, Mexico

The sunniest months in Santa Teresa are May, July and August, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in Santa Teresa: January, February and November receive an average of 8 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Teresa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours222262309321343326327330290281269279
Mean daily daylight hours10h 55m11h 24m12h 1m12h 40m13h 12m13h 28m13h 19m12h 51m12h 14m11h 35m11h 2m10h 46m

Solar UV radiation in Santa Teresa, Mexico

Santa Teresa experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Santa Teresa UV Index data.

Average daily maximum UV levels by month for Santa Teresa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)8111414151414141312108