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San Bernardino, CA Weather on April 12
April 12th in San Bernardino, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 49°F — a 27°F daily swing. Over 48 years of records, the warmest April 12th was in 1985 (71°F average), while the coldest was 1983 (50°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 12th dates historically, with the wettest April 12th recording 1.91" of rain.
What to Expect on April 12
Planning for April 12th in San Bernardino, CA? Great weather for outdoor activities.
April 12 Weather Records for San Bernardino
- •The all-time record high for April 12th in San Bernardino, CA is 93°F, set in 2008.
- •The coldest April 12th on record dropped to 42°F in 1983.
- •Temperatures have reached 90°F or higher on April 12th in 5 of the last 48 years.
- •Last year (1971), April 12th was 9°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 12 ever in San Bernardino?
The warmest April 12 in San Bernardino, CA reached 93°F in 2008. That is 17°F above the long-term average high of 76°F.
What was the coldest April 12 ever in San Bernardino?
The coldest April 12 in San Bernardino, CA dropped to 42°F in 1983. That is 7°F below the long-term average low of 49°F.
What is the average temperature on April 12 in San Bernardino?
On April 12, San Bernardino averages a high of 76°F and a low of 49°F based on 48 years of NOAA weather observations from NORTON AFB.
How many years of weather data are available for April 12 in San Bernardino?
We have 48 years of weather records for April 12 in San Bernardino, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 12 Weather History in San Bernardino
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 56°F | -- | -- |
| 2017 | 73°F | 50°F | -- | -- |
| 2016 | 71°F | 50°F | -- | -- |
| 2015 | 82°F | 49°F | 0" | -- |
| 2014 | 71°F | 52°F | 0" | -- |
| 2013 | 82°F | 50°F | 0" | -- |
| 2012 | 65°F | 47°F | 0" | -- |
| 2011 | 73°F | 44°F | 0" | -- |
| 2010 | 60°F | 48°F | 1.73" | -- |
| 2009 | 78°F | 43°F | 0" | -- |
| 2008 | 93°F | 49°F | 0" | -- |
| 2007 | 66°F | 51°F | 0" | -- |
| 2006 | 80°F | 43°F | 0" | -- |
| 2005 | 83°F | 46°F | 0" | -- |
| 2004 | 83°F | 50°F | 0" | -- |
| 2003 | 72°F | 54°F | 0" | -- |
| 2002 | 80°F | 53°F | 0" | -- |
| 2001 | 67°F | 66°F | 0.76" | -- |
| 2000 | 90°F | 53°F | 0" | -- |
| 1999 | 53°F | 46°F | 1.91" | -- |
| 1998 | 56°F | 49°F | 0.79" | -- |
| 1997 | 76°F | 46°F | 0" | -- |
| 1996 | 74°F | 48°F | 0" | -- |
| 1995 | 82°F | 48°F | 0" | -- |
| 1994 | 85°F | 50°F | 0" | -- |
| 1993 | 77°F | 50°F | 0" | -- |
| 1992 | 78°F | 49°F | 0" | -- |
| 1991 | 69°F | 45°F | 0" | -- |
| 1990 | 90°F | 51°F | 0" | -- |
| 1989 | 67°F | 56°F | 0" | -- |
| 1988 | 84°F | 54°F | 0" | -- |
| 1987 | 76°F | 52°F | 0" | -- |
| 1986 | 64°F | 53°F | 0" | -- |
| 1985 | 90°F | 52°F | 0" | -- |
| 1984 | 90°F | 49°F | 0" | -- |
| 1983 | 58°F | 42°F | 0.36" | -- |
| 1982 | 70°F | 47°F | 0" | -- |
| 1981 | 78°F | 50°F | 0" | -- |
| 1980 | 84°F | 53°F | 0" | -- |
| 1979 | 81°F | 45°F | 0" | -- |
| 1978 | 72°F | 52°F | 0" | -- |
| 1977 | 85°F | 44°F | 0" | -- |
| 1976 | 62°F | 45°F | 0.1" | -- |
| 1975 | 68°F | 46°F | 0.18" | -- |
| 1974 | 80°F | 46°F | 0" | -- |
| 1973 | 81°F | 47°F | 0" | -- |
| 1972 | 69°F | 48°F | 0" | -- |
| 1971 | 85°F | 45°F | 0" | -- |
Based on 48 years of data from NOAA station: NORTON AFB
Monthly Climate Averages
Historical temperature and precipitation averages for San Bernardino, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.