UC Irvine Weather in April
Average highs run from 66°F on April 1 to 66°F on April 30, and lows from 54°F to 56°F. Normal precipitation for the month is 0.55 in over about 3 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
- 66°F
- Average low
- 55°F
- Precipitation
- 0.55 in
- Record high
- 98°FApr 20, 2009
- Record low
- 41°FApr 10, 1999
- Chance of a freeze
- 0%
- Daylight
- 12 h 33 min to 13 h 30 min
- Cloud cover
- 40%
- Humidity
- 75%
- Dew point
- 51°F
- Wind
- 8.1 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 | 66°F | 54°F | 91°F 2021 | 47°F 2010 | 12% |
| Apr 2 | 66°F | 54°F | 77°F 2005 | 43°F 1999 | 12% |
| Apr 3 | 66°F | 54°F | 84°F 2026 | 49°F 1999 | 12% |
| Apr 4 | 66°F | 54°F | 86°F 2026 | 44°F 1999 | 11% |
| Apr 5 | 66°F | 54°F | 81°F 2017 | 45°F 1999 | 11% |
| Apr 6 | 66°F | 54°F | 85°F 2005 | 46°F 2024 | 11% |
| Apr 7 | 66°F | 55°F | 85°F 2010 | 47°F 1999 | 11% |
| Apr 8 | 66°F | 55°F | 89°F 2014 | 44°F 2001 | 11% |
| Apr 9 | 66°F | 55°F | 86°F 2018 | 44°F 1999 | 10% |
| Apr 10 | 66°F | 55°F | 88°F 2018 | 41°F 1999 | 10% |
| Apr 11 | 66°F | 55°F | 83°F 2008 | 48°F 1999 | 10% |
| Apr 12 | 66°F | 55°F | 97°F 2008 | 45°F 1999 | 10% |
| Apr 13 | 66°F | 55°F | 94°F 2008 | 49°F 2001 | 9% |
| Apr 14 | 66°F | 55°F | 84°F 2018 | 47°F 2012 | 9% |
| Apr 15 | 66°F | 55°F | 82°F 2011 | 48°F 2009 | 9% |
| Apr 16 | 66°F | 55°F | 86°F 1999 | 49°F 2003 | 9% |
| Apr 17 | 66°F | 55°F | 90°F 2016 | 49°F 2001 | 8% |
| Apr 18 | 66°F | 55°F | 89°F 2021 | 50°F 2006 | 8% |
| Apr 19 | 66°F | 55°F | 94°F 2009 | 49°F 2007 | 8% |
| Apr 20 | 66°F | 55°F | 98°F 2009 | 50°F 2005 | 8% |
| Apr 21 | 66°F | 56°F | 88°F 2009 | 49°F 2007 | 7% |
| Apr 22 | 66°F | 56°F | 85°F 2017 | 48°F 2001 | 7% |
| Apr 23 | 66°F | 56°F | 88°F 2020 | 48°F 2010 | 7% |
| Apr 24 | 66°F | 56°F | 95°F 2020 | 51°F 2006 | 7% |
| Apr 25 | 66°F | 56°F | 85°F 2020 | 53°F 2008 | 7% |
| Apr 26 | 66°F | 56°F | 90°F 2004 | 51°F 2009 | 7% |
| Apr 27 | 66°F | 56°F | 90°F 2004 | 53°F 2003 | 7% |
| Apr 28 | 66°F | 56°F | 93°F 2008 | 50°F 2002 | 7% |
| Apr 29 | 66°F | 56°F | 90°F 2015 | 49°F 1999 | 6% |
| Apr 30 | 66°F | 56°F | 94°F 2014 | 50°F 2010 | 6% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- April 1
- sunrise 6:39 AM, sunset 7:12 PM
- April 30
- sunrise 6:04 AM, sunset 7:34 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00046175 (Newport Beach Harbor), public domain. Records: NOAA GHCN-Daily, station USW00093184, 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.