April is one of the cooler months of the year in Plymouth, with average highs near 10.5°C and lows around 4°C (mean 7.3°C). It is about average for rainfall, averaging 108 mm of rainfall and 82% relative humidity across the period.
April is one of the cooler months of the year in Plymouth. Across 45 years of records, the warmest April in Plymouth was 2012 — when the month averaged 9.4°C — while the coldest was 2003 at 5.2°C. Typical April days reach 10.5°C with nights near 4°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Plymouth, averaging 108 mm of rainfall. The wettest April on record was 1983 with 214 mm, while the driest was 1999 at 32 mm.
Relative humidity in Plymouth during April averages 82%. The most humid April was 1987 at 88%, and the least humid was 2012 at 76%.
April receives about 4.8 kWh/m²/day of solar energy in Plymouth. The sunniest April was 2012 at 5.9 kWh/m²/day, and the cloudiest were 1984 and 2000 at 3.9.
Average wind speed in Plymouth during April is 2.7 m/s. The windiest Aprils were 1982 and 2020 at 3.5 m/s, while the calmest were 2001, 2010 and 2023, among others at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.8°C | 6.9°C | 7.2°C | 7.7°C | 8.0°C | +1.2°C |
| Avg High | 10.0°C | 10.2°C | 10.5°C | 11.1°C | 11.1°C | +1.1°C |
| Avg Low | 3.5°C | 3.5°C | 3.8°C | 4.4°C | 4.7°C | +1.2°C |
| Avg Rain | 114 mm | 99 mm | 121 mm | 101 mm | 103 mm | -10 mm |
April temperatures in Plymouth have risen by about 1.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -7.9°C (1982) to a record high of 26.3°C (2002).
Rainfall in April is about average for rainfall, averaging 108 mm, with a wettest year of 214 mm.
A good time to visit Plymouth
April is a good time to visit Plymouth, with days averaging 10.5°C and nights around 4°C (mean 7.3°C, cooler than Plymouth's yearly average) and higher rainfall. July and August 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 | 11.8°C | 8.3°C | 4.8°C | 20.6°C | -1.5°C | 85 mm | 78% | 2.8 m/s | 4.7 |
| 2024 | 10.8°C | 7.8°C | 4.8°C | 17.7°C | 1.3°C | 95 mm | 83% | 2.6 m/s | 4.5 |
| 2023 | 12.8°C | 9.3°C | 5.8°C | 20.7°C | -0.1°C | 87 mm | 82% | 2.3 m/s | 4.6 |
| 2022 | 11.5°C | 8.3°C | 5.0°C | 15.0°C | 2.2°C | 87 mm | 77% | 2.8 m/s | 5.3 |
| 2021 | 11.0°C | 7.8°C | 4.5°C | 17.0°C | -1.4°C | 110 mm | 81% | 2.7 m/s | 5.1 |
| 2020 | 8.9°C | 6.2°C | 3.4°C | 14.7°C | -0.3°C | 156 mm | 81% | 3.5 m/s | 4.2 |
| 2019 | 11.1°C | 7.8°C | 4.6°C | 15.7°C | -1.1°C | 157 mm | 83% | 2.8 m/s | 4.4 |
| 2018 | 9.5°C | 6.1°C | 2.8°C | 17.5°C | -1.6°C | 132 mm | 81% | 2.7 m/s | 4.4 |
| 2017 | 12.0°C | 8.7°C | 5.3°C | 20.2°C | 0.3°C | 148 mm | 85% | 2.6 m/s | 4.6 |
| 2016 | 9.8°C | 6.6°C | 3.4°C | 18.5°C | -3.5°C | 89 mm | 79% | 2.9 m/s | 5.2 |
| 2015 | 10.4°C | 7.0°C | 3.5°C | 16.6°C | -0.8°C | 55 mm | 82% | 2.5 m/s | 5.1 |
| 2014 | 10.0°C | 6.8°C | 3.7°C | 15.6°C | -0.5°C | 100 mm | 83% | 2.8 m/s | 5 |
| 2013 | 11.1°C | 7.6°C | 4.2°C | 16.3°C | -1.2°C | 64 mm | 79% | 2.7 m/s | 5.5 |
| 2012 🔥 | 13.0°C | 9.4°C | 5.7°C | 22.3°C | 1.5°C | 68 mm | 76% | 2.6 m/s | 5.9 |
| 2011 | 11.4°C | 8.2°C | 5.0°C | 18.3°C | 1.0°C | 147 mm | 84% | 2.8 m/s | 4.3 |
| 2010 | 12.8°C | 9.3°C | 5.8°C | 20.6°C | 2.7°C | 48 mm | 84% | 2.3 m/s | 5.2 |
| 2009 | 11.1°C | 7.7°C | 4.3°C | 21.2°C | -0.2°C | 131 mm | 83% | 2.7 m/s | 5.1 |
| 2008 | 11.6°C | 8.1°C | 4.6°C | 20.2°C | -1.5°C | 92 mm | 81% | 2.4 m/s | 5 |
| 2007 | 9.2°C | 6.1°C | 2.9°C | 17.7°C | -2.1°C | 206 mm | 83% | 3 m/s | 4.4 |
| 2006 | 10.9°C | 7.7°C | 4.4°C | 16.9°C | -0.2°C | 65 mm | 80% | 2.7 m/s | 5.2 |
| 2005 | 11.3°C | 7.8°C | 4.3°C | 19.5°C | 0.8°C | 118 mm | 81% | 2.5 m/s | 5.5 |
| 2004 | 10.2°C | 6.9°C | 3.7°C | 17.2°C | -1.2°C | 165 mm | 84% | 2.7 m/s | 4.5 |
| 2003 ❄️ | 8.2°C | 5.2°C | 2.2°C | 19.2°C | -3.3°C | 127 mm | 84% | 2.8 m/s | 4.5 |
| 2002 | 12.2°C | 8.5°C | 4.7°C | 26.3°C | -1.6°C | 90 mm | 79% | 2.7 m/s | 5.1 |
| 2001 | 10.4°C | 6.9°C | 3.5°C | 18.3°C | -0.8°C | 49 mm | 81% | 2.3 m/s | 5.1 |
| 2000 | 9.9°C | 6.9°C | 3.8°C | 15.5°C | -0.1°C | 167 mm | 84% | 3.1 m/s | 3.9 |
| 1999 | 11.2°C | 7.6°C | 4.0°C | 15.6°C | 0.8°C | 32 mm | 77% | 2.4 m/s | 5.5 |
| 1998 | 10.9°C | 7.7°C | 4.4°C | 18.9°C | 1.5°C | 119 mm | 82% | 2.3 m/s | 4.5 |
| 1997 | 9.9°C | 6.4°C | 2.9°C | 16.9°C | -2.9°C | 113 mm | 80% | 3 m/s | 5.2 |
| 1996 | 9.6°C | 6.5°C | 3.4°C | 17.2°C | -1.4°C | 143 mm | 84% | 3.1 m/s | 4.5 |
| 1995 | 9.8°C | 6.1°C | 2.4°C | 15.6°C | -4.6°C | 62 mm | 78% | 2.3 m/s | 5.2 |
| 1994 | 11.0°C | 7.6°C | 4.2°C | 17.9°C | 0.2°C | 64 mm | 84% | 2.4 m/s | 5.1 |
| 1993 | 9.3°C | 6.4°C | 3.6°C | 14.7°C | -0.8°C | 137 mm | 87% | 2.8 m/s | 4.3 |
| 1992 | 8.6°C | 5.5°C | 2.3°C | 17.9°C | -1.0°C | 72 mm | 81% | 2.5 m/s | 4.4 |
| 1991 | 11.4°C | 8.0°C | 4.5°C | 18.6°C | -0.5°C | 126 mm | 83% | 2.4 m/s | 4.9 |
| 1990 | 9.9°C | 6.8°C | 3.6°C | 24.2°C | -1.2°C | 127 mm | 85% | 2.8 m/s | 4.4 |
| 1989 | 9.6°C | 6.2°C | 2.8°C | 14.7°C | -1.2°C | 125 mm | 80% | 2.6 m/s | 4.8 |
| 1988 | 9.4°C | 6.6°C | 3.7°C | 15.0°C | 0.5°C | 64 mm | 83% | 2.9 m/s | 4.7 |
| 1987 | 9.3°C | 6.5°C | 3.6°C | 16.1°C | -1.9°C | 206 mm | 88% | 2.7 m/s | 4.3 |
| 1986 | 9.7°C | 7.0°C | 4.2°C | 15.6°C | 0.8°C | 59 mm | 85% | 2.6 m/s | 4.8 |
| 1985 | 11.1°C | 7.5°C | 3.9°C | 19.5°C | -2.9°C | 38 mm | 77% | 2.5 m/s | 5.1 |
| 1984 | 9.6°C | 6.5°C | 3.4°C | 17.1°C | -1.1°C | 117 mm | 85% | 2.5 m/s | 3.9 |
| 1983 🌧️ | 10.7°C | 7.7°C | 4.8°C | 20.8°C | 1.3°C | 214 mm | 87% | 2.8 m/s | — |
| 1982 | 9.4°C | 5.5°C | 1.5°C | 17.7°C | -7.9°C | 96 mm | 82% | 3.5 m/s | — |
| 1981 | 11.4°C | 7.7°C | 3.9°C | 16.6°C | -1.3°C | 102 mm | 80% | 2.9 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10.5°C with lows near 4°C (mean 7.3°C), based on 45 years of NASA POWER data.
April averages 108 mm of rainfall in Plymouth, about average for rainfall. The wettest on record was 214 mm in 1983.
The hottest April reached 26.3°C in 2002. The coldest dipped to -7.9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.3°C. Daytime highs moved from 10.4°C to 11.6°C and overnight lows from 3.5°C to 5°C over the same span.
April is one of the cooler months of the year in Plymouth and about average for rainfall, so plan for around 10.5°C daytime highs and 4°C at night.
Not quite — April is the 5th coolest month in Plymouth, averaging 7.3°C.
For April in Plymouth, pack warm layers and a jacket for chilly mornings, with typical highs of 10.5°C and lows of 4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 82% — quite humid.
Average wind speed in April is 2.7 m/s. The windiest April on record averaged 3.5 m/s (1982).
The wettest April on record was 1983 with 214 mm. On average, April sees 108 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 Plymouth 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.
