Historical Weather in San Bernardino, CA
See 55+ years of weather history for any date in San Bernardino going back to 1970.
Part of California weather history
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Today in San Bernardino Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for San Bernardino, CA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 96°F / Low: 63°F
Coldest MonthDecemberAvg High: 67°F / Low: 41°F
Jan
67°/ 41°
💧 10.8"
Feb
68°/ 43°
💧 11.6"
Mar
71°/ 45°
💧 9.4"
Apr
75°/ 48°
💧 5.4"
May
81°/ 53°
💧 4.0"
Jun
89°/ 57°
💧 2.5"
Jul
95°/ 62°
💧 2.4"
Aug
96°/ 63°
💧 6.2"
Sep
91°/ 60°
💧 5.8"
Oct
82°/ 53°
💧 5.5"
Nov
73°/ 45°
💧 7.9"
Dec
67°/ 41°
💧 9.0"
❄️ 0.1"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
San Bernardino Temperature Records
- Record High: The hottest temperature ever recorded in San Bernardino, CA is 118°F, set on July 6, 2018.
- Record Low: The coldest temperature ever recorded in San Bernardino, CA is 19°F, set on January 14, 2007.
- Data Coverage: Based on 57 years of data from NOAA weather station: MARCH AFB.
All-Time Record High
118°F
July 6, 2018
All-Time Record Low
19°F
January 14, 2007
Monthly Temperature Records in San Bernardino
| Month | Record High | Record Low |
|---|---|---|
| January | 101°F(2003) | 19°F(2007) |
| February | 92°F(2016) | 19°F(2020) |
| March | 97°F(2011) | 27°F(2012) |
| April | 102°F(2004) | 27°F(1970) |
| May | 106°F(2003) | 33°F(2002) |
| June | 114°F(2016) | 40°F(2011) |
| July | 118°F(2018) | 42°F(2010) |
| August | 112°F(2017) | 46°F(2010) |
| September | 118°F(2020) | 41°F(2007) |
| October | 109°F(2024) | 34°F(2019) |
| November | 100°F(2010) | 26°F(2012) |
| December | 90°F(2005) | 22°F(2011) |
San Bernardino Snow RecordsSee the top 10 snowiest days ever recorded
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