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Sunnyvale, CA Weather on April 12
April 12th in Sunnyvale, CA typically brings mild spring weather, with average highs around 69°F and lows near 49°F. Over 55 years of records, the warmest April 12th was in 2008 (70°F average), while the coldest was 1976 (52°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 18% of April 12th dates historically, with the wettest April 12th recording 1.6" of rain. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on April 12
Planning for April 12th in Sunnyvale, CA? Great weather for outdoor activities.
April 12 Weather Records for Sunnyvale
- •The all-time record high for April 12th in Sunnyvale, CA is 87°F, set in 2008.
- •The coldest April 12th on record dropped to 39°F in 2001.
Frequently Asked Questions
What was the warmest April 12 ever in Sunnyvale?
The warmest April 12 in Sunnyvale, CA reached 87°F in 2008. That is 18°F above the long-term average high of 69°F.
What was the coldest April 12 ever in Sunnyvale?
The coldest April 12 in Sunnyvale, CA dropped to 39°F in 2001. That is 10°F below the long-term average low of 49°F.
What is the average temperature on April 12 in Sunnyvale?
On April 12, Sunnyvale averages a high of 69°F and a low of 49°F based on 55 years of NOAA weather observations from MOFFETT FED AIRFIELD.
How many years of weather data are available for April 12 in Sunnyvale?
We have 55 years of weather records for April 12 in Sunnyvale, 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 Sunnyvale
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 68°F | 46°F | -- | -- |
| 2024 | 68°F | 54°F | 0" | -- |
| 2023 | 61°F | 45°F | 0" | -- |
| 2022 | 62°F | 41°F | 0" | -- |
| 2021 | 74°F | 44°F | 0" | -- |
| 2020 | 68°F | 52°F | 0" | -- |
| 2019 | 72°F | 50°F | 0" | -- |
| 2018 | 61°F | 47°F | 0" | -- |
| 2017 | 68°F | 55°F | 0.1" | -- |
| 2016 | 61°F | 51°F | 0" | -- |
| 2015 | 76°F | 48°F | 0" | -- |
| 2014 | 68°F | 54°F | 0" | -- |
| 2013 | 69°F | 49°F | 0" | -- |
| 2012 | 63°F | 48°F | 1.6" | -- |
| 2011 | 63°F | 43°F | 0" | -- |
| 2010 | 59°F | 46°F | 1.02" | -- |
| 2009 | 67°F | 50°F | 0" | -- |
| 2008 | 87°F | 53°F | 0" | -- |
| 2007 | 64°F | 47°F | 0" | -- |
| 2006 | 63°F | 52°F | 0.69" | -- |
| 2005 | 62°F | 42°F | 0" | -- |
| 2004 | 65°F | 51°F | 0" | -- |
| 2003 | 59°F | 50°F | 1.45" | -- |
| 2002 | 78°F | 54°F | 0" | -- |
| 2001 | 65°F | 39°F | 0" | -- |
| 2000 | 78°F | 56°F | 0.3" | -- |
| 1999 | 64°F | 45°F | 0" | -- |
| 1998 | 61°F | 46°F | 0" | -- |
| 1997 | 73°F | 45°F | 0" | -- |
| 1996 | 66°F | 52°F | 0" | -- |
| 1995 | 78°F | 55°F | 0" | -- |
| 1994 | 75°F | 51°F | 0" | -- |
| 1993 | 72°F | 48°F | 0" | -- |
| 1992 | 66°F | 54°F | 0.36" | -- |
| 1991 | 75°F | 45°F | 0" | -- |
| 1990 | 78°F | 52°F | 0" | -- |
| 1989 | 70°F | 56°F | 0" | -- |
| 1988 | 69°F | 56°F | 0" | -- |
| 1987 | 74°F | 47°F | 0" | -- |
| 1986 | 80°F | 45°F | 0" | -- |
| 1985 | 80°F | 50°F | 0" | -- |
| 1984 | 69°F | 48°F | 0" | -- |
| 1983 | 60°F | 46°F | 0" | -- |
| 1982 | 67°F | 51°F | 0.3" | -- |
| 1981 | 68°F | 42°F | 0" | -- |
| 1980 | 85°F | 50°F | 0" | -- |
| 1979 | 68°F | 47°F | 0" | -- |
| 1978 | 69°F | 55°F | 0" | -- |
| 1977 | 80°F | 44°F | 0" | -- |
| 1976 | 60°F | 44°F | 0.05" | -- |
| 1975 | 72°F | 43°F | 0" | -- |
| 1974 | 76°F | 51°F | 0" | -- |
| 1973 | 65°F | 52°F | 0" | -- |
| 1972 | 60°F | 47°F | 0.08" | -- |
| 1971 | 70°F | 44°F | 0" | -- |
Based on 55 years of data from NOAA station: MOFFETT FED AIRFIELD
Monthly Climate Averages
Historical temperature and precipitation averages for Sunnyvale, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.