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Monthly climate in San Javier, Chile

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Javier features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 8 °C (48 °F) and 21 °C (70 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 656 mm (25.8 inches) and receives 49 rainy days on the 1 mm (0.04 inches) threshold annually. San Javier enjoys an average of 3620 hours of sunshine throughout the year, and daylight varies from 9 hours 47 minutes to 14 hours 29 minutes per day.

Monthly average temperatures in San Javier, Chile

The warmest months in San Javier are January, February and December, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (48 - 49 °F) throughout the day. On average each year, San Javier experiences 116 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 San Javier. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)		35°C
(95°F)		32°C
(90°F)		29°C
(84°F)		24°C
(76°F)		19°C
(67°F)		19°C
(67°F)		22°C
(71°F)		26°C
(79°F)		29°C
(84°F)		31°C
(89°F)		33°C
(92°F)
Mean maximum33°C
(92°F)		33°C
(92°F)		31°C
(87°F)		27°C
(80°F)		22°C
(71°F)		17°C
(62°F)		19°C
(66°F)		21°C
(69°F)		24°C
(75°F)		26°C
(79°F)		29°C
(85°F)		32°C
(90°F)
Average high29°C
(85°F)		29°C
(84°F)		26°C
(79°F)		21°C
(70°F)		16°C
(62°F)		13°C
(56°F)		13°C
(57°F)		15°C
(58°F)		17°C
(63°F)		20°C
(68°F)		25°C
(77°F)		28°C
(82°F)
Daily mean21°C
(70°F)		20°C
(69°F)		18°C
(65°F)		14°C
(58°F)		11°C
(52°F)		9°C
(49°F)		8°C
(48°F)		9°C
(49°F)		11°C
(52°F)		13°C
(56°F)		17°C
(63°F)		20°C
(68°F)
Average low14°C
(57°F)		14°C
(57°F)		11°C
(53°F)		9°C
(48°F)		7°C
(44°F)		5°C
(42°F)		4°C
(40°F)		5°C
(41°F)		6°C
(44°F)		8°C
(46°F)		10°C
(51°F)		12°C
(54°F)
Mean minimum9°C
(49°F)		10°C
(50°F)		7°C
(45°F)		5°C
(41°F)		1°C
(34°F)		-1°C
(30°F)		-1°C
(31°F)		0°C
(33°F)		2°C
(35°F)		3°C
(38°F)		6°C
(44°F)		8°C
(47°F)
Minimum7°C
(45°F)		9°C
(49°F)		5°C
(42°F)		4°C
(40°F)		-4°C
(25°F)		-4°C
(25°F)		-1°C
(30°F)		-1°C
(31°F)		-0°C
(32°F)		2°C
(35°F)		6°C
(42°F)		7°C
(45°F)

Compare climate in San Javier with other places

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

Monthly average precipitation in San Javier, Chile

San Javier usually has the most precipitation in May, June and August, with an average of 8 rainy days and 134 mm (5.3 inches) of precipitation per month. The driest months in San Javier are February, March and December. On average, 6 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Javier. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.6)8 (0.3)9 (0.3)32 (1.2)94 (3.7)200 (7.9)85 (3.4)106 (4.2)55 (2.1)34 (1.3)16 (0.6)2 (0.1)
Average precipitation days (≥ 1 mm)0103711884520

Monthly sunshine hours in San Javier, Chile

The sunniest months in San Javier are March, November and December, when the sun shines an average of 12 hours 19 minutes a day. Least sunny months in San Javier: May, June and July receive an average of 7 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Javier. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours321344355296240185228246284338376402
Mean daily daylight hours14h 13m13h 20m12h 14m11h 8m10h 13m9h 47m10h 1m10h 49m11h 53m13h 0m13h 59m14h 29m

Solar UV radiation in San Javier, Chile

San Javier experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 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 Javier UV Index data.

Average daily maximum UV levels by month for San Javier. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311753458101314