Monthly climate in San Bernardino, México, Mexico

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification San Bernardino features a subtropical climate (Cwb). Temperatures typically range between 14 °C (58 °F) and 20 °C (69 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 828 mm (32.6 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually. San Bernardino enjoys an average of 3443 hours of sunshine throughout the year, and daylight varies from 10 hours 57 minutes to 13 hours 16 minutes per day.

Monthly average temperatures in San Bernardino, México, Mexico §

The warmest months in San Bernardino are April, May and June, with daily mean temperatures ranging from 19 to 20 °C (67 - 69 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 14 to 15 °C (58 - 60 °F) throughout the day. On average each year, San Bernardino experiences 121 days above 25 °C (77.0 °F) and 0 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 Bernardino, México, Mexico. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 26°C
(79°F)
29°C
(85°F)
31°C
(89°F)
31°C
(88°F)
33°C
(91°F)
33°C
(91°F)
28°C
(83°F)
28°C
(82°F)
27°C
(80°F)
27°C
(80°F)
28°C
(82°F)
26°C
(79°F)
Mean maximum 25°C
(77°F)
28°C
(82°F)
30°C
(86°F)
30°C
(86°F)
31°C
(88°F)
30°C
(86°F)
27°C
(80°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(80°F)
25°C
(78°F)
Average high 22°C
(71°F)
24°C
(76°F)
26°C
(79°F)
27°C
(80°F)
28°C
(82°F)
25°C
(78°F)
24°C
(75°F)
23°C
(74°F)
23°C
(73°F)
23°C
(73°F)
23°C
(73°F)
22°C
(72°F)
Daily mean 14°C
(58°F)
16°C
(61°F)
18°C
(65°F)
19°C
(67°F)
20°C
(69°F)
19°C
(67°F)
18°C
(65°F)
18°C
(64°F)
17°C
(63°F)
17°C
(62°F)
15°C
(60°F)
14°C
(58°F)
Average low 7°C
(45°F)
8°C
(47°F)
10°C
(51°F)
12°C
(54°F)
13°C
(56°F)
14°C
(57°F)
13°C
(56°F)
13°C
(56°F)
13°C
(56°F)
12°C
(53°F)
9°C
(48°F)
7°C
(45°F)
Mean minimum 3°C
(37°F)
5°C
(41°F)
6°C
(44°F)
9°C
(48°F)
10°C
(51°F)
11°C
(52°F)
11°C
(51°F)
10°C
(51°F)
10°C
(50°F)
8°C
(46°F)
5°C
(41°F)
3°C
(37°F)
Minimum 1°C
(34°F)
3°C
(38°F)
5°C
(42°F)
7°C
(44°F)
9°C
(49°F)
10°C
(50°F)
10°C
(49°F)
10°C
(49°F)
7°C
(46°F)
4°C
(40°F)
2°C
(36°F)
0°C
(33°F)

Compare climate in San Bernardino with other places

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

Monthly average precipitation in San Bernardino, México, Mexico §

San Bernardino usually has the most precipitation in July, August and September, with an average of 23 rainy days and 180 mm (7.1 inches) of precipitation per month. The driest months in San Bernardino are January, February and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Bernardino, México, Mexico. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 6 (0.2) 5 (0.2) 10 (0.4) 17 (0.7) 25 (1.0) 121 (4.8) 166 (6.5) 186 (7.3) 189 (7.4) 77 (3.0) 21 (0.8) 3 (0.1)
Average precipitation days (≥ 1 mm) 1 1 2 3 7 15 23 24 23 14 4 1

Monthly sunshine hours in San Bernardino, México, Mexico §

The sunniest months in San Bernardino are March, April and May, when the sun shines an average of 10 hours 28 minutes a day. Least sunny months in San Bernardino: January, September and October receive an average of 8 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Bernardino, México, Mexico. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 235 274 315 316 331 287 293 285 263 273 275 290
Mean daily daylight hours 11h 5m 11h 30m 12h 2m 12h 35m 13h 3m 13h 16m 13h 9m 12h 44m 12h 12m 11h 39m 11h 11m 10h 57m

Solar UV radiation in San Bernardino, México, Mexico §

San Bernardino 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 San Bernardino UV Index data.

Average daily maximum UV levels by month for San Bernardino, México, Mexico. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 10 12 14 15 15 14 14 13 14 12 10 8

Detailed Monthly Weather Insights for San Bernardino, México, Mexico

Discover in-depth weather details for every month in San Bernardino. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about San Bernardino's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.