Annual average temperature · 30-year mean — not today
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Best Time to Visit: May, Jun, Jul, Aug, Sep, Oct. Rainiest: Jan (165 mm).View current weather →
Annual Precip
1444mm
165mm jan · 52mm julWarmest
33°C
JanColdest
13°C
JulWind
10km/h
Calm
San Bernardino has a tropical climate with warm temperatures year-round. The coolest month is Jul (13°C) and the warmest is Jan (33°C). Annual rainfall totals 1444mm.
Monthly Averages
Jan
High33°C91°F
Avg Temp28°C82°F
Low22°C72°F
Precipitation165 mm
Wind9 km/h
Feb
High32°C90°F
Avg Temp27°C81°F
Low22°C72°F
Precipitation148 mm
Wind9 km/h
Mar
High31°C88°F
Avg Temp26°C79°F
Low21°C70°F
Precipitation142 mm
Wind9 km/h
Apr
High28°C83°F
Avg Temp23°C74°F
Low18°C64°F
Precipitation157 mm
Wind9 km/h
May
High25°C77°F
Avg Temp20°C68°F
Low15°C59°F
Precipitation104 mm
Wind9 km/h
Jun
High23°C73°F
Avg Temp18°C65°F
Low13°C56°F
Precipitation78 mm
Wind10 km/h
Jul
High24°C74°F
Avg Temp18°C65°F
Low13°C55°F
Precipitation52 mm
Wind11 km/h
Aug
High25°C77°F
Avg Temp19°C67°F
Low14°C56°F
Precipitation54 mm
Wind12 km/h
Sep
High26°C80°F
Avg Temp21°C69°F
Low15°C59°F
Precipitation86 mm
Wind12 km/h
Oct
High29°C85°F
Avg Temp24°C74°F
Low18°C64°F
Precipitation143 mm
Wind11 km/h
Nov
High31°C87°F
Avg Temp25°C77°F
Low20°C67°F
Precipitation150 mm
Wind10 km/h
Dec
High32°C90°F
Avg Temp27°C80°F
Low21°C70°F
Precipitation165 mm
Wind9 km/h
HighLowPrecipitation
Monthly Wind Speed
km/h
Frequently Asked Questions
What is the climate like in San Bernardino?
San Bernardino has an average annual temperature of 23°C with 1444mm of rainfall per year. The warmest month is Jan (33°C) and the coldest is Jul (13°C).
What is the hottest month in San Bernardino?
The hottest month in San Bernardino is Jan, with an average high of 33°C.
How much rain does San Bernardino get?
San Bernardino receives 1444mm of precipitation annually. The wettest month is Jan (165mm) and the driest is Jul (52mm).
When is the best time to visit San Bernardino?
The best time to visit San Bernardino is during May, Jun, Jul, Aug, Sep, Oct, when temperatures are comfortable and rainfall is relatively low.