Irvine, CA weather in April
Expect mild, dry weather in Irvine in April, with highs near 73°F and lows near 54°F. Rain falls on about 3 days. Great for outdoor plans.
- Normal high
- 73°F
- Normal low
- 54°F
- Wet days
- 3
- 0.8 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 72°F | 74°F |
| Normal low | 53°F | 56°F |
| Chance of a wet day | 12% | 8% |
| Sunrise / sunset | 6:38 am / 7:11 pm | 6:03 am / 7:33 pm |
| Daylight | 12.6 h | 13.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical April day
- 6 am56°Fdew point 49°F
- 9 am64°Fdew point 49°F
- Noon66°Fdew point 50°F
- 3 pm65°Fdew point 50°F
- 6 pm61°Fdew point 50°F
- 9 pm59°Fdew point 50°F
NOAA hourly normals (local standard time) from Los Angeles Intl Airport (37 mi away); average wind 9 mph; clear or few clouds in 43% of daytime hours, mostly cloudy or overcast in 33%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F22 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph6 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow3 of 30
- Notable rainat least 0.10 in2 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain in April
Normal precipitation is 0.8 in; a dry April brings about 0.09 in and a wet one about 1.2 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How April varies from year to year
- Warmest April, 1991-20202008: average high 79°F
- Coolest April1999: average high 70°F
- Wettest April2012: 3.1 in
- Driest April1991: no measurable precipitation
- Highest reading103°F (April 20, 2009)
- Lowest reading39°F (April 2, 1999)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 71°F | 73°F | 75°F |
| Normal low | 52°F | 54°F | 58°F |
| Wet days | 5 | 3 | 2 |
| Comfortable days | 23 | 22 | 25 |
| Daylight | 12.0 h | 13.0 h | 13.9 h |
Highs change by +2°F from March and +2°F into May.
Nearby alternatives in April
- Warmer: Palm Springs, CA74 mi · high 87°F · 1 wet day
- Cooler: Torrance, CA32 mi · high 68°F · 3 wet days
How Irvine ranks in April
- Normal high137th warmest of 378 cities; 27th of 60 in California
- Wet days34th driest of 378
- Comfortable days4th most of 340
Heating and cooling
April has 79 heating degree days and 40 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Irvine in April?
The normal high is 73°F and the normal low is 54°F. From 1991 to 2020 the hottest April reading was 103°F (most recently on April 20, 2009).
Does it rain a lot in Irvine in April?
About 3 days in April have at least 0.01 in of precipitation, and the normal total is 0.8 in. The wettest April in 1991-2020 was in 2012 (3.1 in); the driest was in 1991, with no measurable precipitation.
Is April a good time to visit Irvine?
April ranks 3rd of 12 months on our comfort score for Irvine (82 out of 100). It has about 22 comfortable days and about 1 day at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Santa Ana Fire Stn (USC00047888), 5.7 mi NNW of the city center, 135 ft (81 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Santa Ana John Wayne Airport (USW00093184), 2.6 mi WNW of the city center, 54 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Los Angeles Intl Airport (USW00023174), 37 mi WNW of the city center, 97 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: J. Wayne Apt-Orange Co Apt (722977-93184), 2.6 mi WNW of the city center, 43 ft . Hourly observations, 1991-2020.