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Monthly climate in San Bernardo, Chile

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Bernardo features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 9 °C (49 °F) and 22 °C (72 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 382 mm (15.0 inches) and receives 43 rainy days on the 1 mm (0.04 inches) threshold annually. San Bernardo enjoys an average of 3769 hours of sunshine throughout the year, and daylight varies from 9 hours 57 minutes to 14 hours 19 minutes per day.

Monthly average temperatures in San Bernardo, Chile

The warmest months in San Bernardo are January, February and December, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 11 °C (49 - 51 °F) throughout the day. On average each year, San Bernardo experiences 141 days above 25 °C (77.0 °F) and 8 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 Bernardo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)		34°C
(94°F)		34°C
(93°F)		32°C
(91°F)		28°C
(83°F)		23°C
(73°F)		24°C
(75°F)		26°C
(79°F)		31°C
(88°F)		32°C
(90°F)		34°C
(93°F)		35°C
(96°F)
Mean maximum34°C
(93°F)		32°C
(91°F)		32°C
(89°F)		29°C
(85°F)		26°C
(78°F)		21°C
(69°F)		23°C
(73°F)		24°C
(76°F)		28°C
(82°F)		28°C
(84°F)		32°C
(89°F)		33°C
(91°F)
Average high29°C
(85°F)		29°C
(84°F)		27°C
(81°F)		23°C
(75°F)		19°C
(67°F)		16°C
(60°F)		16°C
(61°F)		17°C
(64°F)		20°C
(68°F)		22°C
(72°F)		26°C
(79°F)		29°C
(84°F)
Daily mean22°C
(72°F)		21°C
(71°F)		20°C
(68°F)		16°C
(62°F)		13°C
(56°F)		9°C
(49°F)		9°C
(49°F)		11°C
(51°F)		13°C
(56°F)		15°C
(60°F)		19°C
(66°F)		21°C
(70°F)
Average low16°C
(61°F)		16°C
(60°F)		14°C
(57°F)		10°C
(51°F)		7°C
(45°F)		4°C
(39°F)		3°C
(38°F)		5°C
(41°F)		7°C
(44°F)		9°C
(48°F)		12°C
(54°F)		14°C
(58°F)
Mean minimum13°C
(55°F)		12°C
(54°F)		9°C
(48°F)		5°C
(42°F)		1°C
(34°F)		-2°C
(29°F)		-2°C
(28°F)		-1°C
(31°F)		2°C
(35°F)		4°C
(39°F)		7°C
(46°F)		11°C
(52°F)
Minimum11°C
(52°F)		10°C
(50°F)		6°C
(43°F)		3°C
(38°F)		-0°C
(32°F)		-3°C
(26°F)		-3°C
(26°F)		-2°C
(29°F)		-2°C
(30°F)		3°C
(37°F)		6°C
(44°F)		10°C
(50°F)

Compare climate in San Bernardo with other places

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

Monthly average precipitation in San Bernardo, Chile

San Bernardo usually has the most precipitation in June, July and August, with an average of 6 rainy days and 72 mm (2.8 inches) of precipitation per month. The driest months in San Bernardo are February, March and December. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Bernardo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)7 (0.3)6 (0.2)4 (0.2)12 (0.5)49 (1.9)99 (3.9)62 (2.4)56 (2.2)41 (1.6)36 (1.4)8 (0.3)3 (0.1)
Average precipitation days (≥ 1 mm)001258578520

Monthly sunshine hours in San Bernardo, Chile

The sunniest months in San Bernardo are March, November and December, when the sun shines an average of 12 hours 32 minutes a day. Least sunny months in San Bernardo: May, June and July receive an average of 7 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Bernardo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours325349362301259209240273306349381409
Mean daily daylight hours14h 3m13h 15m12h 14m11h 12m10h 21m9h 57m10h 10m10h 55m11h 54m12h 56m13h 51m14h 19m

Solar UV radiation in San Bernardo, Chile

San Bernardo experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly San Bernardo UV Index data.

Average daily maximum UV levels by month for San Bernardo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141211753468111214