April is one of the cooler months of the year in Dover, with average highs near 16.9°C and lows around 6.2°C (mean 11.5°C). It is about average for rainfall, averaging 92 mm of rainfall and 78% relative humidity across the period.
April is one of the cooler months of the year in Dover. Across 45 years of records, the warmest April in Dover was 2017 — when the month averaged 14.9°C — while the coldest was 1982 at 9.1°C. Typical April days reach 16.9°C with nights near 6.2°C. The long-term trend is warming, about 0.5°C per decade.
April is about average for rainfall in Dover, averaging 92 mm of rainfall. The wettest April on record was 1983 with 195 mm, while the driest was 1985 at 15 mm.
Relative humidity in Dover during April averages 78%. The most humid April was 1984 at 84%, and the least humid was 2012 at 71%.
April receives about 4.9 kWh/m²/day of solar energy in Dover. The sunniest April was 2010 at 5.7 kWh/m²/day, and the cloudiest was 2000 at 4.1.
Average wind speed in Dover during April is 3.4 m/s. The windiest April was 1996 at 4.2 m/s, while the calmest was 2010 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.5°C | 11.0°C | 11.8°C | 12.3°C | 12.5°C | +2°C |
| Avg High | 15.9°C | 16.3°C | 17.1°C | 17.6°C | 17.8°C | +1.9°C |
| Avg Low | 5.2°C | 5.6°C | 6.5°C | 6.9°C | 7.1°C | +1.9°C |
| Avg Rain | 99 mm | 82 mm | 100 mm | 82 mm | 99 mm | -1 mm |
April temperatures in Dover have risen by about 2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -5.5°C (1982) to a record high of 32.2°C (2002).
Rainfall in April is about average for rainfall, averaging 92 mm, with a wettest year of 195 mm.
A good time to visit Dover
April is a good time to visit Dover, with days averaging 16.9°C and nights around 6.2°C (mean 11.5°C, cooler than Dover's yearly average) and higher 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 | 18.5°C | 13.1°C | 7.7°C | 25.7°C | -1.9°C | 90 mm | 76% | 3.6 m/s | 4.8 |
| 2024 | 17.7°C | 12.9°C | 8.0°C | 29.4°C | 2.5°C | 70 mm | 81% | 3.2 m/s | 4.8 |
| 2023 | 20.0°C | 14.5°C | 8.9°C | 27.7°C | 2.1°C | 173 mm | 76% | 3.2 m/s | 5.2 |
| 2022 | 17.0°C | 11.5°C | 6.0°C | 25.9°C | 1.1°C | 98 mm | 73% | 3.6 m/s | 5.2 |
| 2021 | 17.6°C | 12.1°C | 6.6°C | 26.7°C | -3.3°C | 54 mm | 77% | 3.3 m/s | 5.2 |
| 2020 | 15.9°C | 10.8°C | 5.6°C | 25.3°C | 0.3°C | 106 mm | 75% | 3.9 m/s | 4.5 |
| 2019 | 19.2°C | 13.9°C | 8.7°C | 24.4°C | -1.8°C | 86 mm | 79% | 3.5 m/s | 5 |
| 2018 | 15.3°C | 10.0°C | 4.7°C | 24.6°C | -0.8°C | 91 mm | 76% | 3.7 m/s | 4.8 |
| 2017 🔥 | 19.9°C | 14.9°C | 9.8°C | 29.1°C | 1.4°C | 65 mm | 80% | 3.4 m/s | 4.8 |
| 2016 | 16.2°C | 11.0°C | 5.7°C | 25.8°C | -3.1°C | 70 mm | 77% | 3.5 m/s | 5.2 |
| 2015 | 17.0°C | 11.7°C | 6.4°C | 23.7°C | -1.3°C | 87 mm | 78% | 3.5 m/s | 5.1 |
| 2014 | 16.1°C | 10.5°C | 5.0°C | 22.6°C | -1.4°C | 130 mm | 80% | 3.5 m/s | 5.2 |
| 2013 | 17.3°C | 11.8°C | 6.3°C | 28.1°C | -3.5°C | 83 mm | 79% | 3.5 m/s | 5.5 |
| 2012 | 17.6°C | 12.1°C | 6.6°C | 27.4°C | 1.7°C | 67 mm | 71% | 3.3 m/s | 5.5 |
| 2011 | 18.4°C | 13.3°C | 8.2°C | 26.9°C | 1.0°C | 92 mm | 82% | 3.9 m/s | 4.3 |
| 2010 | 19.2°C | 13.4°C | 7.6°C | 28.6°C | 3.3°C | 50 mm | 79% | 2.8 m/s | 5.7 |
| 2009 | 17.1°C | 11.9°C | 6.7°C | 30.7°C | -0.9°C | 132 mm | 78% | 3.6 m/s | 4.8 |
| 2008 | 17.6°C | 12.8°C | 7.9°C | 26.3°C | 0.6°C | 95 mm | 80% | 3.2 m/s | 4.8 |
| 2007 | 15.2°C | 10.2°C | 5.2°C | 25.4°C | -2.2°C | 142 mm | 79% | 3.6 m/s | 4.5 |
| 2006 | 19.1°C | 13.2°C | 7.3°C | 25.5°C | 1.3°C | 62 mm | 73% | 3.2 m/s | 5.5 |
| 2005 | 17.0°C | 11.4°C | 5.7°C | 26.7°C | 0.2°C | 99 mm | 78% | 3.5 m/s | 5.3 |
| 2004 | 16.8°C | 11.6°C | 6.5°C | 26.9°C | -2.1°C | 139 mm | 81% | 3.6 m/s | 4.8 |
| 2003 | 15.8°C | 10.7°C | 5.6°C | 26.0°C | -2.3°C | 87 mm | 83% | 3.6 m/s | 4.6 |
| 2002 | 19.1°C | 13.5°C | 7.8°C | 32.2°C | -2.9°C | 88 mm | 73% | 3.4 m/s | 5.2 |
| 2001 | 17.2°C | 11.7°C | 6.1°C | 26.8°C | -0.4°C | 47 mm | 79% | 3 m/s | 5 |
| 2000 | 15.8°C | 10.8°C | 5.7°C | 23.3°C | 1.3°C | 105 mm | 82% | 3.7 m/s | 4.1 |
| 1999 | 16.9°C | 11.1°C | 5.3°C | 24.5°C | 1.1°C | 74 mm | 77% | 3.1 m/s | 5 |
| 1998 | 17.1°C | 12.0°C | 6.9°C | 23.3°C | 0.8°C | 88 mm | 79% | 3.1 m/s | 5.2 |
| 1997 | 14.9°C | 9.5°C | 4.2°C | 21.1°C | -3.2°C | 79 mm | 76% | 3.6 m/s | 5.3 |
| 1996 | 15.1°C | 10.2°C | 5.2°C | 25.2°C | -2.1°C | 114 mm | 82% | 4.2 m/s | 4.9 |
| 1995 | 16.3°C | 10.5°C | 4.6°C | 25.7°C | -3.1°C | 61 mm | 73% | 3.3 m/s | 5.2 |
| 1994 | 18.3°C | 12.8°C | 7.2°C | 26.5°C | -0.8°C | 72 mm | 81% | 3.3 m/s | 5.5 |
| 1993 | 15.7°C | 10.3°C | 4.9°C | 21.7°C | -1.4°C | 113 mm | 82% | 3.8 m/s | 4.8 |
| 1992 | 15.7°C | 10.4°C | 5.1°C | 23.3°C | -2.1°C | 41 mm | 79% | 3 m/s | 4.6 |
| 1991 | 17.0°C | 11.8°C | 6.6°C | 24.4°C | -1.6°C | 78 mm | 82% | 3.3 m/s | 4.6 |
| 1990 | 16.3°C | 11.0°C | 5.8°C | 28.5°C | -3.0°C | 102 mm | 80% | 3.3 m/s | 4.7 |
| 1989 | 15.3°C | 10.0°C | 4.6°C | 22.6°C | -1.3°C | 122 mm | 78% | 2.9 m/s | 5.1 |
| 1988 | 14.7°C | 9.7°C | 4.7°C | 20.2°C | 0.0°C | 73 mm | 79% | 3.9 m/s | 5.1 |
| 1987 | 15.1°C | 10.2°C | 5.3°C | 22.2°C | -1.9°C | 74 mm | 83% | 3.6 m/s | 4.4 |
| 1986 | 16.3°C | 11.0°C | 5.7°C | 23.2°C | 1.5°C | 58 mm | 80% | 3.1 m/s | 4.5 |
| 1985 | 18.4°C | 12.5°C | 6.7°C | 28.5°C | -4.4°C | 15 mm | 74% | 3.1 m/s | 5.1 |
| 1984 | 14.8°C | 9.8°C | 4.8°C | 20.5°C | -1.7°C | 118 mm | 84% | 3.1 m/s | 4.2 |
| 1983 🌧️ | 15.1°C | 10.2°C | 5.4°C | 25.4°C | -0.7°C | 195 mm | 84% | 3.7 m/s | — |
| 1982 ❄️ | 15.1°C | 9.1°C | 3.1°C | 22.4°C | -5.5°C | 120 mm | 74% | 3.9 m/s | — |
| 1981 | 18.2°C | 12.2°C | 6.2°C | 26.3°C | -1.0°C | 119 mm | 75% | 3.9 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 16.9°C with lows near 6.2°C (mean 11.5°C), based on 45 years of NASA POWER data.
April averages 92 mm of rainfall in Dover, about average for rainfall. The wettest on record was 195 mm in 1983.
The hottest April reached 32.2°C in 2002. The coldest dipped to -5.5°C in 1982.
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 16.3°C to 18.2°C and overnight lows from 5.2°C to 7.4°C over the same span.
April is one of the cooler months of the year in Dover and about average for rainfall, so plan for around 16.9°C daytime highs and 6.2°C at night.
Not quite — April is the 6th coolest month in Dover, averaging 11.5°C.
For April in Dover, pack warm layers and a jacket for chilly mornings, with typical highs of 16.9°C and lows of 6.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 78% — quite humid.
Average wind speed in April is 3.4 m/s. The windiest April on record averaged 4.2 m/s (1996).
The wettest April on record was 1983 with 195 mm. On average, April sees 92 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 Dover 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.
