April is one of the cooler months of the year in Redding, with average highs near 18.4°C and lows around 5.6°C (mean 12°C). It is one of the drier months, averaging 75 mm of rainfall and 72% relative humidity across the period.
April is one of the cooler months of the year in Redding. Across 45 years of records, the warmest Aprils in Redding were 1990 and 2021 — when the month averaged 14.8°C — while the coldest was 2003 at 8.5°C. Typical April days reach 18.4°C with nights near 5.6°C. The long-term trend is warming, about 0.3°C per decade.
April is one of the drier months in Redding, averaging 75 mm of rainfall. The wettest April on record was 2003 with 207 mm, while the driest was 1985 at 9 mm.
Relative humidity in Redding during April averages 72%. The most humid April was 2003 at 82%, and the least humid was 2021 at 58%.
April receives about 5.7 kWh/m²/day of solar energy in Redding. The sunniest April was 2021 at 6.9 kWh/m²/day, and the cloudiest was 2003 at 4.5.
Average wind speed in Redding during April is 0.8 m/s. The windiest Aprils were 2013, 2017 and 2022, among others at 0.9 m/s, while the calmest were 2002, 2007 and 2014, among others at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.7°C | 11.7°C | 11.5°C | 12.2°C | 13.1°C | +1.4°C |
| Avg High | 18.1°C | 18.1°C | 17.7°C | 18.6°C | 20.1°C | +2°C |
| Avg Low | 5.3°C | 5.4°C | 5.4°C | 5.8°C | 6.1°C | +0.8°C |
| Avg Rain | 70 mm | 80 mm | 84 mm | 85 mm | 46 mm | -23 mm |
April temperatures in Redding have risen by about 2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -3.5°C (1999) to a record high of 31.6°C (2004).
Rainfall in April is one of the drier months, averaging 75 mm, with a wettest year of 207 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A good time to visit Redding
April is a good time to visit Redding, with days averaging 18.4°C and nights around 5.6°C (mean 12°C, cooler than Redding's yearly average) and moderate 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 | 20.7°C | 14.0°C | 7.3°C | 27.3°C | 0.4°C | 27 mm | 71% | 0.8 m/s | 6.2 |
| 2024 | 19.3°C | 12.7°C | 6.0°C | 26.8°C | 0.8°C | 47 mm | 74% | 0.8 m/s | 5.8 |
| 2023 | 18.6°C | 11.8°C | 5.1°C | 30.8°C | -2.7°C | 36 mm | 71% | 0.8 m/s | 6.2 |
| 2022 | 18.3°C | 11.3°C | 4.2°C | 27.4°C | -0.6°C | 111 mm | 67% | 0.9 m/s | 5.8 |
| 2021 | 22.8°C | 14.8°C | 6.9°C | 30.9°C | 2.8°C | 20 mm | 58% | 0.8 m/s | 6.9 |
| 2020 | 20.7°C | 13.7°C | 6.8°C | 29.1°C | -0.8°C | 36 mm | 69% | 0.8 m/s | 6.2 |
| 2019 | 20.2°C | 14.1°C | 7.9°C | 29.3°C | 2.2°C | 92 mm | 77% | 0.8 m/s | 5.5 |
| 2018 | 18.6°C | 12.2°C | 5.9°C | 26.7°C | -0.6°C | 128 mm | 72% | 0.8 m/s | 5.6 |
| 2017 | 16.9°C | 10.9°C | 5.0°C | 24.8°C | 0.6°C | 176 mm | 78% | 0.9 m/s | 5.1 |
| 2016 | 20.3°C | 14.0°C | 7.7°C | 27.1°C | 1.9°C | 53 mm | 74% | 0.8 m/s | 6 |
| 2015 | 20.6°C | 13.3°C | 6.0°C | 29.2°C | 1.3°C | 40 mm | 65% | 0.8 m/s | 6.5 |
| 2014 | 20.3°C | 13.2°C | 6.2°C | 28.6°C | -0.9°C | 26 mm | 70% | 0.7 m/s | 6.1 |
| 2013 | 20.8°C | 13.4°C | 6.1°C | 28.6°C | 1.1°C | 37 mm | 68% | 0.9 m/s | 6.5 |
| 2012 | 17.6°C | 11.8°C | 5.9°C | 27.0°C | -0.7°C | 85 mm | 76% | 0.8 m/s | 5.4 |
| 2011 | 16.0°C | 9.8°C | 3.7°C | 23.3°C | -1.1°C | 54 mm | 74% | 0.8 m/s | 5.6 |
| 2010 | 15.0°C | 9.4°C | 3.9°C | 24.6°C | 0.6°C | 162 mm | 76% | 0.9 m/s | 5.1 |
| 2009 | 18.6°C | 11.5°C | 4.5°C | 30.7°C | -1.2°C | 32 mm | 69% | 0.8 m/s | 6.3 |
| 2008 | 18.1°C | 10.6°C | 3.1°C | 26.9°C | -1.8°C | 15 mm | 66% | 0.8 m/s | 6.6 |
| 2007 | 19.5°C | 12.7°C | 5.9°C | 28.3°C | 0.3°C | 55 mm | 68% | 0.7 m/s | 6.1 |
| 2006 | 15.9°C | 11.1°C | 6.2°C | 28.6°C | 0.9°C | 192 mm | 81% | 0.8 m/s | 4.7 |
| 2005 | 16.8°C | 11.1°C | 5.4°C | 22.5°C | -0.8°C | 82 mm | 75% | 0.8 m/s | 5.6 |
| 2004 | 20.3°C | 13.7°C | 7.1°C | 31.6°C | 1.8°C | 49 mm | 70% | 0.8 m/s | 6.2 |
| 2003 ❄️ 🌧️ | 13.2°C | 8.5°C | 3.9°C | 19.8°C | -1.5°C | 207 mm | 82% | 0.9 m/s | 4.5 |
| 2002 | 18.8°C | 12.7°C | 6.5°C | 27.8°C | 0.3°C | 49 mm | 75% | 0.7 m/s | 5.8 |
| 2001 | 16.3°C | 10.3°C | 4.2°C | 24.8°C | -1.6°C | 60 mm | 73% | 0.8 m/s | 5.9 |
| 2000 | 19.2°C | 13.2°C | 7.2°C | 27.7°C | 1.1°C | 101 mm | 74% | 0.8 m/s | 5.6 |
| 1999 | 17.4°C | 10.6°C | 3.8°C | 25.4°C | -3.5°C | 56 mm | 72% | 0.9 m/s | 6.1 |
| 1998 | 16.1°C | 10.6°C | 5.0°C | 25.8°C | -1.0°C | 93 mm | 77% | 0.8 m/s | 5.5 |
| 1997 | 18.7°C | 12.0°C | 5.2°C | 25.9°C | -1.7°C | 60 mm | 71% | 0.8 m/s | 5.7 |
| 1996 | 18.5°C | 12.0°C | 5.5°C | 28.7°C | 1.4°C | 101 mm | 74% | 0.8 m/s | 5.2 |
| 1995 | 16.5°C | 10.3°C | 4.2°C | 25.0°C | -0.5°C | 167 mm | 76% | 0.8 m/s | 5.4 |
| 1994 | 19.3°C | 12.7°C | 6.0°C | 24.9°C | 1.1°C | 62 mm | 70% | 0.7 m/s | 5.3 |
| 1993 | 17.0°C | 10.9°C | 4.8°C | 25.1°C | 0.1°C | 102 mm | 77% | 0.8 m/s | 5 |
| 1992 | 19.3°C | 13.1°C | 6.9°C | 26.5°C | 0.3°C | 82 mm | 73% | 0.8 m/s | 5.2 |
| 1991 | 16.7°C | 10.3°C | 3.9°C | 22.5°C | -1.7°C | 50 mm | 73% | 0.7 m/s | 5.6 |
| 1990 🔥 | 21.1°C | 14.8°C | 8.4°C | 27.6°C | 3.3°C | 24 mm | 70% | 0.8 m/s | 5.6 |
| 1989 | 19.8°C | 13.6°C | 7.3°C | 29.4°C | 2.4°C | 64 mm | 75% | 0.7 m/s | 5.4 |
| 1988 | 18.7°C | 12.5°C | 6.2°C | 27.9°C | 1.8°C | 85 mm | 69% | 0.8 m/s | 4.9 |
| 1987 | 20.8°C | 13.8°C | 6.7°C | 28.5°C | 0.8°C | 19 mm | 68% | 0.8 m/s | 6 |
| 1986 | 17.7°C | 11.1°C | 4.6°C | 25.6°C | -0.6°C | 38 mm | 73% | 0.8 m/s | 5.5 |
| 1985 | 20.9°C | 14.0°C | 7.2°C | 30.4°C | 1.1°C | 9 mm | 68% | 0.8 m/s | 6.2 |
| 1984 | 16.0°C | 9.9°C | 3.7°C | 24.3°C | -1.3°C | 68 mm | 74% | 0.8 m/s | 5.3 |
| 1983 | 13.8°C | 8.6°C | 3.4°C | 19.6°C | -0.3°C | 140 mm | 78% | 0.8 m/s | — |
| 1982 | 15.7°C | 9.5°C | 3.4°C | 23.9°C | -1.6°C | 145 mm | 76% | 0.9 m/s | — |
| 1981 | 19.7°C | 12.6°C | 5.4°C | 31.5°C | -0.5°C | 57 mm | 72% | 0.8 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 18.4°C with lows near 5.6°C (mean 12°C), based on 45 years of NASA POWER data.
April averages 75 mm of rainfall in Redding, one of the drier months. The wettest on record was 207 mm in 2003.
The hottest April reached 31.6°C in 2004. The coldest dipped to -3.5°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2°C. Daytime highs moved from 17.2°C to 19.9°C and overnight lows from 4.6°C to 5.9°C over the same span.
April is one of the cooler months of the year in Redding and one of the drier months, so plan for around 18.4°C daytime highs and 5.6°C at night.
Not quite — April is the 6th coolest month in Redding, averaging 12°C.
For April in Redding, pack warm layers and a jacket for chilly mornings, with typical highs of 18.4°C and lows of 5.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 72% — moderately humid.
Average wind speed in April is 0.8 m/s. The windiest April on record averaged 0.9 m/s (1982).
The wettest April on record was 2003 with 207 mm. On average, April sees 75 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 Redding 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.
