April is one of the cooler months of the year in Anaheim, with average highs near 21.7°C and lows around 9.9°C (mean 15.8°C). It is one of the drier months, averaging 19 mm of rainfall and 62% relative humidity across the period.
April is one of the cooler months of the year in Anaheim. Across 45 years of records, the warmest April in Anaheim was 1989 — when the month averaged 18.7°C — while the coldest was 1983 at 12.5°C. Typical April days reach 21.7°C with nights near 9.9°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Anaheim, averaging 19 mm of rainfall. The wettest April on record was 1983 with 100 mm, while the driest was 1993 at 0 mm.
Relative humidity in Anaheim during April averages 62%. The most humid April was 2024 at 73%, and the least humid was 1987 at 48%.
April receives about 6.4 kWh/m²/day of solar energy in Anaheim. The sunniest April was 2017 at 7.2 kWh/m²/day, and the cloudiest was 1990 at 5.6.
Average wind speed in Anaheim during April is 2.3 m/s. The windiest April was 1984 at 2.9 m/s, while the calmest were 1992 and 2023 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.1°C | 15.6°C | 15.1°C | 16.2°C | 15.9°C | -0.2°C |
| Avg High | 22.3°C | 21.5°C | 20.9°C | 22.1°C | 21.5°C | -0.8°C |
| Avg Low | 10.0°C | 9.7°C | 9.4°C | 10.3°C | 10.3°C | +0.3°C |
| Avg Rain | 29 mm | 16 mm | 21 mm | 12 mm | 21 mm | -8 mm |
April temperatures in Anaheim have risen by about 0.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 1.8°C (1982) to a record high of 34.6°C (2004).
Rainfall in April is one of the drier months, averaging 19 mm, with a wettest year of 100 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Anaheim
April is a good time to visit Anaheim, with days averaging 21.7°C and nights around 9.9°C (mean 15.8°C, cooler than Anaheim's yearly average) and low rainfall. June and September are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 20.8°C | 15.4°C | 10.1°C | 27.3°C | 5.4°C | 6 mm | 66% | 2.1 m/s | 6.1 |
| 2024 | 19.9°C | 14.5°C | 9.2°C | 25.0°C | 3.6°C | 18 mm | 73% | 2 m/s | 6.3 |
| 2023 | 20.6°C | 15.0°C | 9.5°C | 28.2°C | 2.8°C | 2 mm | 70% | 1.8 m/s | 6.3 |
| 2022 | 23.6°C | 17.2°C | 10.8°C | 33.4°C | 5.2°C | 6 mm | 60% | 2.3 m/s | 6.9 |
| 2021 | 23.0°C | 16.9°C | 10.9°C | 32.1°C | 7.6°C | 1 mm | 58% | 2 m/s | 6.6 |
| 2020 | 21.1°C | 16.2°C | 11.3°C | 32.7°C | 7.2°C | 90 mm | 73% | 2.1 m/s | 5.9 |
| 2019 | 21.1°C | 16.0°C | 11.0°C | 26.5°C | 8.3°C | 3 mm | 71% | 2 m/s | 6.4 |
| 2018 | 22.5°C | 16.5°C | 10.4°C | 31.7°C | 4.8°C | 2 mm | 58% | 2.1 m/s | 6.8 |
| 2017 | 22.5°C | 16.6°C | 10.7°C | 28.4°C | 5.0°C | 5 mm | 63% | 2.3 m/s | 7.2 |
| 2016 | 23.0°C | 17.4°C | 11.7°C | 29.8°C | 7.7°C | 12 mm | 58% | 2.1 m/s | 6.6 |
| 2015 | 23.1°C | 17.0°C | 10.9°C | 31.3°C | 6.3°C | 6 mm | 54% | 2.1 m/s | 6.8 |
| 2014 | 23.4°C | 17.1°C | 10.9°C | 30.2°C | 5.3°C | 11 mm | 53% | 2.3 m/s | 6.9 |
| 2013 | 22.9°C | 16.5°C | 10.1°C | 29.0°C | 5.4°C | 2 mm | 58% | 2.3 m/s | 6.4 |
| 2012 | 22.3°C | 16.0°C | 9.7°C | 29.4°C | 4.1°C | 42 mm | 58% | 2.3 m/s | 6.4 |
| 2011 | 20.8°C | 15.3°C | 9.8°C | 29.1°C | 4.2°C | 2 mm | 68% | 2.3 m/s | 6.5 |
| 2010 | 18.9°C | 13.5°C | 8.0°C | 25.0°C | 4.2°C | 40 mm | 67% | 2.4 m/s | 6.6 |
| 2009 | 21.1°C | 15.0°C | 9.0°C | 33.7°C | 4.1°C | 2 mm | 60% | 2.2 m/s | 6.7 |
| 2008 | 22.6°C | 15.9°C | 9.3°C | 31.8°C | 5.1°C | 2 mm | 54% | 2.1 m/s | 7 |
| 2007 | 21.8°C | 15.7°C | 9.6°C | 29.3°C | 5.8°C | 16 mm | 59% | 2.1 m/s | 6.1 |
| 2006 | 18.6°C | 13.9°C | 9.3°C | 25.8°C | 5.0°C | 52 mm | 73% | 2.2 m/s | 6 |
| 2005 | 20.0°C | 14.5°C | 9.1°C | 24.4°C | 5.4°C | 20 mm | 68% | 2.3 m/s | 6.8 |
| 2004 | 23.0°C | 17.0°C | 11.0°C | 34.6°C | 7.6°C | 8 mm | 60% | 1.9 m/s | 6.6 |
| 2003 | 18.5°C | 13.3°C | 8.1°C | 26.2°C | 4.4°C | 34 mm | 69% | 2.4 m/s | 6.6 |
| 2002 | 21.0°C | 15.4°C | 9.7°C | 28.9°C | 6.0°C | 4 mm | 62% | 2.2 m/s | 6 |
| 2001 | 19.0°C | 13.7°C | 8.4°C | 30.0°C | 2.4°C | 28 mm | 67% | 2.2 m/s | 6 |
| 2000 | 22.9°C | 16.7°C | 10.5°C | 29.5°C | 7.5°C | 47 mm | 63% | 2.2 m/s | 6.5 |
| 1999 | 19.1°C | 13.6°C | 8.1°C | 30.0°C | 2.3°C | 49 mm | 61% | 2.5 m/s | 5.7 |
| 1998 | 18.4°C | 13.3°C | 8.1°C | 28.2°C | 3.8°C | 28 mm | 71% | 2.3 m/s | 6.6 |
| 1997 | 22.9°C | 16.6°C | 10.2°C | 30.0°C | 5.2°C | 1 mm | 56% | 2.7 m/s | 6.6 |
| 1996 | 24.0°C | 17.3°C | 10.6°C | 31.3°C | 6.2°C | 14 mm | 55% | 2.5 m/s | 7 |
| 1995 | 19.8°C | 14.2°C | 8.7°C | 27.0°C | 4.3°C | 23 mm | 69% | 2.5 m/s | 6.1 |
| 1994 | 21.5°C | 15.7°C | 9.9°C | 26.7°C | 5.9°C | 20 mm | 62% | 2.2 m/s | 5.8 |
| 1993 | 22.5°C | 16.3°C | 10.0°C | 27.3°C | 6.5°C | 0 mm | 64% | 2.2 m/s | 6.6 |
| 1992 | 23.5°C | 17.6°C | 11.7°C | 28.4°C | 9.1°C | 1 mm | 66% | 1.8 m/s | 6.3 |
| 1991 | 20.8°C | 14.8°C | 8.8°C | 28.1°C | 4.5°C | 1 mm | 64% | 2.5 m/s | 6.7 |
| 1990 | 22.9°C | 17.0°C | 11.1°C | 28.2°C | 8.1°C | 17 mm | 63% | 2.2 m/s | 5.6 |
| 1989 🔥 | 25.4°C | 18.7°C | 12.0°C | 34.4°C | 7.3°C | 2 mm | 55% | 2.4 m/s | 6.3 |
| 1988 | 22.0°C | 16.3°C | 10.6°C | 29.8°C | 5.9°C | 67 mm | 58% | 2.4 m/s | 5.8 |
| 1987 | 25.1°C | 18.4°C | 11.8°C | 31.1°C | 6.7°C | 5 mm | 48% | 2.1 m/s | 6.3 |
| 1986 | 21.1°C | 15.1°C | 9.2°C | 29.2°C | 5.7°C | 19 mm | 64% | 2.4 m/s | 6.3 |
| 1985 | 24.2°C | 17.6°C | 11.0°C | 32.5°C | 6.4°C | 1 mm | 50% | 2.3 m/s | 6.3 |
| 1984 | 22.7°C | 16.0°C | 9.3°C | 31.2°C | 4.7°C | 12 mm | 49% | 2.9 m/s | 6.2 |
| 1983 ❄️ 🌧️ | 17.3°C | 12.5°C | 7.7°C | 23.5°C | 2.8°C | 100 mm | 71% | 2.7 m/s | — |
| 1982 | 20.5°C | 14.5°C | 8.6°C | 27.2°C | 1.8°C | 40 mm | 65% | 2.4 m/s | — |
| 1981 | 22.6°C | 16.2°C | 9.7°C | 31.6°C | 4.1°C | 14 mm | 57% | 2.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 21.7°C with lows near 9.9°C (mean 15.8°C), based on 45 years of NASA POWER data.
April averages 19 mm of rainfall in Anaheim, one of the drier months. The wettest on record was 100 mm in 1983.
The hottest April reached 34.6°C in 2004. The coldest dipped to 1.8°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.4°C. Daytime highs moved from 21.5°C to 21.6°C and overnight lows from 9.3°C to 10.1°C over the same span.
April is one of the cooler months of the year in Anaheim and one of the drier months, so plan for around 21.7°C daytime highs and 9.9°C at night.
Not quite — April is the 5th coolest month in Anaheim, averaging 15.8°C.
For April in Anaheim, pack light layers you can adjust through the day, with typical highs of 21.7°C and lows of 9.9°C.
Relative humidity in April averages 62% — moderately humid.
Average wind speed in April is 2.3 m/s. The windiest April on record averaged 2.9 m/s (1984).
The wettest April on record was 1983 with 100 mm. On average, April sees 19 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Anaheim behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.
