Climate by Month - San Jacinto, California Weather Summary

Currently 91°F in San Jacinto, California, USA

Friday, July 18, 2025 4:21 PM PDT

San Jacinto, California Climate Summary

Click on the month for hour-by-hour statistics for a typical day.

Month	High	Low	Average	Precipitation
January	65.5°F (18.6°C)	40.9°F (5.0°C)	52.3°F (11.3°C)	2.18" (55.3 mm)
February	66.1°F (19.0°C)	41.3°F (5.2°C)	53.2°F (11.8°C)	2.10" (53.3 mm)
March	68.7°F (20.4°C)	44.9°F (7.2°C)	56.1°F (13.4°C)	1.78" (45.1 mm)
April	75.6°F (24.2°C)	49.1°F (9.5°C)	61.5°F (16.4°C)	0.64" (16.3 mm)
May	79.5°F (26.4°C)	53.4°F (11.9°C)	64.8°F (18.2°C)	0.33" (8.4 mm)
June	90.1°F (32.3°C)	59.5°F (15.3°C)	73.6°F (23.1°C)	0.01" (0.3 mm)
July	96.9°F (36.0°C)	65.4°F (18.6°C)	80.0°F (26.7°C)	0.21" (5.4 mm)
August	97.0°F (36.1°C)	65.4°F (18.5°C)	80.0°F (26.7°C)	0.18" (4.6 mm)
September	91.4°F (33.0°C)	61.7°F (16.5°C)	75.4°F (24.1°C)	0.23" (5.8 mm)
October	83.7°F (28.7°C)	54.7°F (12.6°C)	68.2°F (20.1°C)	0.28" (7.2 mm)
November	74.6°F (23.7°C)	45.4°F (7.4°C)	59.0°F (15.0°C)	0.93" (23.6 mm)
December	65.8°F (18.8°C)	40.8°F (4.9°C)	52.2°F (11.2°C)	2.06" (52.3 mm)

The San Jacinto, California weather pages are a service of WeatherCurrents. San Jacinto is located in the heart of the San Jacinto Valley, near Hemet, the Soboba Casino, and at the foot of the San Jacinto Mountains.