Monthly climate in San Rafael, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Rafael features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 8 °C (47 °F) and 21 °C (71 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 859 mm (33.8 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually. San Rafael enjoys an average of 3494 hours of sunshine throughout the year, and daylight varies from 10 hours 25 minutes to 13 hours 49 minutes per day.

Monthly average temperatures in San Rafael, Mexico

The warmest months in San Rafael are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (67 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (47 - 49 °F) throughout the day. On average each year, San Rafael experiences 137 days above 25 °C (77.0 °F) and 40 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 Rafael. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(75°F)
26°C
(79°F)
27°C
(81°F)
30°C
(87°F)
32°C
(91°F)
36°C
(97°F)
33°C
(92°F)
33°C
(91°F)
30°C
(86°F)
30°C
(86°F)
27°C
(81°F)
23°C
(74°F)
Mean maximum22°C
(72°F)
23°C
(73°F)
26°C
(79°F)
29°C
(84°F)
31°C
(88°F)
34°C
(93°F)
31°C
(89°F)
31°C
(88°F)
30°C
(86°F)
28°C
(83°F)
25°C
(78°F)
22°C
(72°F)
Average high17°C
(62°F)
17°C
(63°F)
21°C
(69°F)
24°C
(75°F)
27°C
(80°F)
29°C
(85°F)
27°C
(81°F)
28°C
(82°F)
26°C
(79°F)
24°C
(76°F)
21°C
(70°F)
17°C
(63°F)
Daily mean8°C
(47°F)
9°C
(49°F)
12°C
(54°F)
15°C
(60°F)
18°C
(65°F)
21°C
(71°F)
19°C
(67°F)
20°C
(68°F)
19°C
(66°F)
16°C
(62°F)
12°C
(55°F)
9°C
(48°F)
Average low0°C
(33°F)
2°C
(35°F)
3°C
(38°F)
6°C
(43°F)
9°C
(48°F)
13°C
(56°F)
14°C
(57°F)
14°C
(58°F)
13°C
(55°F)
9°C
(49°F)
5°C
(41°F)
1°C
(35°F)
Mean minimum-4°C
(24°F)
-3°C
(27°F)
-3°C
(27°F)
0°C
(33°F)
4°C
(40°F)
10°C
(49°F)
11°C
(52°F)
12°C
(53°F)
10°C
(50°F)
3°C
(37°F)
-0°C
(31°F)
-4°C
(26°F)
Minimum-5°C
(22°F)
-5°C
(23°F)
-7°C
(20°F)
-1°C
(30°F)
2°C
(36°F)
8°C
(46°F)
11°C
(51°F)
11°C
(52°F)
9°C
(48°F)
-1°C
(30°F)
-4°C
(26°F)
-4°C
(25°F)

Compare climate in San Rafael with other places

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

Monthly average precipitation in San Rafael, Mexico

San Rafael usually has the most precipitation in July, August and September, with an average of 20 rainy days and 172 mm (6.8 inches) of precipitation per month. The driest months in San Rafael are April, May and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Rafael. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)35 (1.4)50 (2.0)39 (1.5)6 (0.2)9 (0.3)80 (3.2)241 (9.5)167 (6.6)108 (4.3)45 (1.8)45 (1.8)34 (1.3)
Average precipitation days (≥ 1 mm)3551212252114744

Monthly sunshine hours in San Rafael, Mexico

The sunniest months in San Rafael are April, May and June, when the sun shines an average of 11 hours 19 minutes a day. Least sunny months in San Rafael: January, February and December receive an average of 7 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Rafael. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours215241293328366336303298291298265255
Mean daily daylight hours10h 37m11h 13m12h 1m12h 49m13h 30m13h 49m13h 39m13h 3m12h 16m11h 28m10h 46m10h 25m

Solar UV radiation in San Rafael, Mexico

San Rafael experiences the highest level of ultraviolet (UV) radiation in April, May and June, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly San Rafael UV Index data.

Average daily maximum UV levels by month for San Rafael. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79111414141313131186