Castroville Weather in April
Average highs run from 67°F on April 1 to 68°F on April 30, and lows from 44°F to 47°F. Normal precipitation for the month is 1.07 in over about 6 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 67°F
- Average low
- 45°F
- Precipitation
- 1.07 in
- Record high
- 100°FApr 26, 2004
- Record low
- 30°FApr 1, 1964
- Chance of a freeze
- 1%
- Days of 90°F or more
- 0.5
- Daylight
- 12 h 37 min to 13 h 41 min
- Cloud cover
- 42%
- Humidity
- 79%
- Dew point
- 46°F
- Wind
- 6.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 67°F | 44°F | 90°F 2011 | 30°F 1964 | 23% |
| Apr 2 | 67°F | 44°F | 90°F 1959 | 34°F 1976 | 22% |
| Apr 3 | 67°F | 44°F | 86°F 1960 | 35°F 1965 | 22% |
| Apr 4 | 67°F | 44°F | 86°F 1960 | 33°F 2009 | 22% |
| Apr 5 | 67°F | 44°F | 92°F 1989 | 35°F 2012 | 22% |
| Apr 6 | 67°F | 44°F | 97°F 1989 | 34°F 2012 | 22% |
| Apr 7 | 67°F | 44°F | 98°F 1989 | 32°F 1965 | 21% |
| Apr 8 | 67°F | 44°F | 81°F 2014 | 35°F 2011 | 21% |
| Apr 9 | 67°F | 44°F | 88°F 1968 | 34°F 1999 | 21% |
| Apr 10 | 67°F | 44°F | 90°F 1988 | 35°F 1999 | 21% |
| Apr 11 | 67°F | 45°F | 85°F 1962 | 36°F 1965 | 20% |
| Apr 12 | 67°F | 45°F | 91°F 1962 | 32°F 1968 | 20% |
| Apr 13 | 67°F | 45°F | 88°F 1985 | 36°F 2007 | 20% |
| Apr 14 | 67°F | 45°F | 90°F 1964 | 37°F 1961 | 20% |
| Apr 15 | 67°F | 45°F | 90°F 1966 | 36°F 1998 | 19% |
| Apr 16 | 67°F | 45°F | 90°F 1999 | 35°F 1960 | 19% |
| Apr 17 | 67°F | 45°F | 85°F 2016 | 35°F 1968 | 19% |
| Apr 18 | 67°F | 45°F | 89°F 2016 | 35°F 1961 | 18% |
| Apr 19 | 67°F | 45°F | 96°F 2009 | 35°F 1961 | 18% |
| Apr 20 | 67°F | 45°F | 99°F 2009 | 34°F 1967 | 18% |
| Apr 21 | 67°F | 45°F | 98°F 2009 | 31°F 1961 | 17% |
| Apr 22 | 67°F | 46°F | 81°F 1973 | 34°F 1968 | 17% |
| Apr 23 | 67°F | 46°F | 86°F 1959 | 36°F 1961 | 17% |
| Apr 24 | 67°F | 46°F | 83°F 1966 | 35°F 2008 | 16% |
| Apr 25 | 67°F | 46°F | 92°F 2004 | 36°F 1964 | 16% |
| Apr 26 | 67°F | 46°F | 100°F 2004 | 37°F 1971 | 16% |
| Apr 27 | 67°F | 46°F | 92°F 2004 | 38°F 1976 | 15% |
| Apr 28 | 67°F | 46°F | 89°F 1996 | 36°F 1967 | 15% |
| Apr 29 | 67°F | 46°F | 97°F 1981 | 37°F 2009 | 15% |
| Apr 30 | 68°F | 47°F | 94°F 2014 | 38°F 1962 | 14% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- April 1
- sunrise 6:53 AM, sunset 7:30 PM
- April 30
- sunrise 6:14 AM, sunset 7:55 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047668 (Salinas #2), public domain. Records: NOAA GHCN-Daily, station USC00047668, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.