Monthly climate in Santa Rosa, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Rosa features a cold semi-arid climate (BSk). Temperatures typically range between 11 °C (52 °F) and 20 °C (69 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 33 °C (93 °F). The average annual precipitation amounts to about 657 mm (25.9 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Rosa enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 30 minutes per day.

Monthly average temperatures in Santa Rosa, Mexico

The warmest months in Santa Rosa are May, June and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 13 °C (52 - 56 °F) throughout the day. On average each year, Santa Rosa experiences 112 days above 25 °C (77.0 °F) and 4 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 Rosa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(78°F)
28°C
(83°F)
31°C
(88°F)
31°C
(88°F)
33°C
(93°F)
33°C
(92°F)
29°C
(85°F)
29°C
(84°F)
26°C
(79°F)
26°C
(80°F)
27°C
(81°F)
25°C
(78°F)
Mean maximum24°C
(75°F)
26°C
(80°F)
28°C
(83°F)
29°C
(85°F)
31°C
(88°F)
31°C
(88°F)
28°C
(82°F)
27°C
(81°F)
25°C
(78°F)
26°C
(79°F)
25°C
(78°F)
24°C
(75°F)
Average high19°C
(66°F)
21°C
(70°F)
25°C
(77°F)
26°C
(80°F)
28°C
(82°F)
27°C
(80°F)
24°C
(76°F)
24°C
(76°F)
22°C
(73°F)
23°C
(73°F)
22°C
(71°F)
19°C
(67°F)
Daily mean11°C
(52°F)
13°C
(56°F)
16°C
(62°F)
18°C
(65°F)
20°C
(69°F)
20°C
(69°F)
18°C
(65°F)
19°C
(66°F)
17°C
(63°F)
16°C
(61°F)
14°C
(57°F)
11°C
(52°F)
Average low4°C
(40°F)
6°C
(43°F)
8°C
(46°F)
9°C
(49°F)
12°C
(53°F)
14°C
(58°F)
13°C
(56°F)
13°C
(56°F)
12°C
(55°F)
10°C
(51°F)
7°C
(44°F)
5°C
(40°F)
Mean minimum-1°C
(30°F)
1°C
(34°F)
4°C
(40°F)
5°C
(41°F)
8°C
(46°F)
11°C
(53°F)
11°C
(53°F)
11°C
(52°F)
9°C
(49°F)
6°C
(43°F)
1°C
(34°F)
-2°C
(29°F)
Minimum-4°C
(25°F)
-2°C
(29°F)
2°C
(37°F)
3°C
(37°F)
6°C
(44°F)
9°C
(49°F)
10°C
(51°F)
10°C
(50°F)
8°C
(46°F)
5°C
(41°F)
-4°C
(26°F)
-8°C
(18°F)

Compare climate in Santa Rosa with other places

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

Monthly average precipitation in Santa Rosa, Mexico

Santa Rosa usually has the most precipitation in July, August and September, with an average of 16 rainy days and 141 mm (5.6 inches) of precipitation per month. The driest months in Santa Rosa are February, March and April. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Rosa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)17 (0.7)11 (0.4)6 (0.2)5 (0.2)19 (0.8)94 (3.7)182 (7.2)100 (3.9)141 (5.6)55 (2.1)17 (0.7)12 (0.5)
Average precipitation days (≥ 1 mm)2111411181219821

Monthly sunshine hours in Santa Rosa, Mexico

The sunniest months in Santa Rosa are May, June and August, when the sun shines an average of 11 hours 0 minutes a day. Least sunny months in Santa Rosa: January, February and December receive an average of 8 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Rosa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours230267319328349329326333285295284282
Mean daily daylight hours10h 53m11h 23m12h 1m12h 41m13h 14m13h 30m13h 21m12h 52m12h 14m11h 35m11h 1m10h 44m

Solar UV radiation in Santa Rosa, Mexico

Santa Rosa experiences the highest level of ultraviolet (UV) radiation in April, May and September, 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 Rosa UV Index data.

Average daily maximum UV levels by month for Santa Rosa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)8111315151414141412108