Weather on April 17
Sunnyvale, CA
55 Years of Data
Avg High
68°F
Avg Low
49°F
Warmest
2016
69°F avg
Coldest
1975
50°F avg
About This Date
April 17th in Sunnyvale, CA typically brings mild spring weather, with average highs around 68°F and lows near 49°F. Over 55 years of records, the warmest April 17th was in 2016 (69°F average), while the coldest was 1975 (50°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 18% of April 17th dates historically, with the wettest April 17th recording 0.94" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for April 17th in Sunnyvale, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 55° | 59° | — | — |
| 2024 | 81° | 55° | 68° | — | — |
| 2023 | 61° | 48° | 54° | — | — |
| 2022 | 64° | 40° | 52° | — | — |
| 2021 | 70° | 49° | 59° | — | — |
| 2020 | 68° | 55° | 62° | — | — |
| 2019 | 73° | 48° | 61° | — | — |
| 2018 | 65° | 43° | 54° | — | — |
| 2017 | 66° | 54° | 60° | 0.3" | — |
| 2016warmest | 84° | 53° | 69° | — | — |
| 2015 | 75° | 51° | 63° | — | — |
| 2014 | 70° | 53° | 61° | — | — |
| 2013 | 70° | 48° | 59° | — | — |
| 2012 | 66° | 51° | 59° | — | — |
| 2011 | 68° | 56° | 62° | — | — |
| 2010 | 69° | 52° | 60° | — | — |
| 2009 | 72° | 44° | 58° | — | — |
| 2008 | 78° | 48° | 63° | — | — |
| 2007 | 62° | 49° | 55° | — | — |
| 2006 | 61° | 42° | 51° | 0.13" | — |
| 2005 | 68° | 50° | 59° | — | — |
| 2004 | 63° | 42° | 52° | 0.08" | — |
| 2003 | 62° | 49° | 55° | 0.15" | — |
| 2002 | 59° | 46° | 53° | — | — |
| 2001 | 71° | 49° | 60° | — | — |
| 2000 | 63° | 50° | 56° | 0.48" | — |
| 1999 | 79° | 56° | 67° | — | — |
| 1998 | 69° | 43° | 56° | — | — |
| 1997 | 79° | 56° | 67° | — | — |
| 1996 | 67° | 48° | 57° | 0.03" | — |
| 1995 | 58° | 46° | 52° | — | — |
| 1994 | 72° | 58° | 65° | — | — |
| 1993 | 64° | 53° | 59° | 0.94" | — |
| 1992 | 75° | 57° | 66° | — | — |
| 1991 | 65° | 43° | 54° | — | — |
| 1990 | 68° | 58° | 63° | — | — |
| 1989 | 67° | 56° | 61° | — | — |
| 1988 | 69° | 49° | 59° | — | — |
| 1987 | 67° | 51° | 59° | — | — |
| 1986 | 65° | 48° | 56° | — | — |
| 1985 | 62° | 50° | 56° | 0.2" | — |
| 1984 | 63° | 48° | 55° | — | — |
| 1983 | 74° | 53° | 63° | — | — |
| 1982 | 65° | 44° | 54° | — | — |
| 1981 | 65° | 53° | 59° | — | — |
| 1980 | 66° | 52° | 59° | — | — |
| 1979 | 61° | 48° | 54° | 0.05" | — |
| 1978 | 66° | 42° | 54° | — | — |
| 1977 | 81° | 47° | 64° | — | — |
| 1976 | 66° | 40° | 53° | — | — |
| 1975coldest | 62° | 38° | 50° | — | — |
| 1974 | 63° | 50° | 56° | — | — |
| 1973 | 62° | 49° | 55° | — | — |
| 1972 | 63° | 46° | 54° | — | — |
| 1971 | 58° | 44° | 51° | 0.66" | — |
55 years of data from MOFFETT FED AIRFIELD