April is one of the cooler months of the year in Dieppe, with average highs near 8.9°C and lows around -1.3°C (mean 3.8°C). It is about average for rainfall, averaging 82 mm of rainfall and 82% relative humidity across the period.
April is one of the cooler months of the year in Dieppe. Across 45 years of records, the warmest April in Dieppe was 2010 — when the month averaged 5.9°C — while the coldest was 2015 at 0.9°C. Typical April days reach 8.9°C with nights near -1.3°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Dieppe, averaging 82 mm of rainfall. The wettest April on record was 1984 with 152 mm, while the driest was 2023 at 30 mm.
Relative humidity in Dieppe during April averages 82%. The most humid April was 2015 at 90%, and the least humid was 2016 at 76%.
April receives about 4.4 kWh/m²/day of solar energy in Dieppe. The sunniest April was 2016 at 5.3 kWh/m²/day, and the cloudiest was 2000 at 3.4.
Average wind speed in Dieppe during April is 0.2 m/s. The windiest Aprils were 2023, 2024 and 2025, among others at 0.2 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.7°C | 3.5°C | 3.6°C | 4.0°C | 4.4°C | +0.7°C |
| Avg High | 8.6°C | 8.6°C | 8.6°C | 9.1°C | 9.6°C | +1°C |
| Avg Low | -1.2°C | -1.6°C | -1.5°C | -1.2°C | -0.8°C | +0.4°C |
| Avg Rain | 97 mm | 76 mm | 94 mm | 75 mm | 58 mm | -39 mm |
April temperatures in Dieppe have risen by about 1.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -17.5°C (2015) to a record high of 23.9°C (2004).
Rainfall in April is about average for rainfall, averaging 82 mm, with a wettest year of 152 mm.
A good time to visit Dieppe
April is a good time to visit Dieppe, with days averaging 8.9°C and nights around -1.3°C (mean 3.8°C, cooler than Dieppe'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 | 9.0°C | 4.3°C | -0.5°C | 16.8°C | -5.7°C | 72 mm | 80% | 0.2 m/s | 4.1 |
| 2024 | 10.0°C | 4.3°C | -1.3°C | 19.3°C | -4.8°C | 44 mm | 79% | 0.2 m/s | 4.8 |
| 2023 | 11.0°C | 5.3°C | -0.4°C | 18.7°C | -6.2°C | 30 mm | 78% | 0.2 m/s | 4.7 |
| 2022 | 9.6°C | 4.7°C | -0.1°C | 13.5°C | -5.0°C | 86 mm | 82% | 0.2 m/s | 4.2 |
| 2021 | 10.1°C | 5.2°C | 0.2°C | 19.3°C | -5.0°C | 70 mm | 83% | 0.2 m/s | 4 |
| 2020 | 7.9°C | 2.7°C | -2.5°C | 14.5°C | -5.3°C | 48 mm | 77% | 0.2 m/s | 5.2 |
| 2019 | 8.3°C | 3.6°C | -1.0°C | 18.8°C | -7.4°C | 138 mm | 83% | 0.2 m/s | 4.1 |
| 2018 | 8.7°C | 3.7°C | -1.4°C | 17.9°C | -8.0°C | 83 mm | 78% | 0.2 m/s | 4.4 |
| 2017 | 10.6°C | 5.2°C | -0.1°C | 20.7°C | -7.0°C | 55 mm | 82% | 0.2 m/s | 3.9 |
| 2016 | 8.9°C | 3.1°C | -2.7°C | 21.3°C | -11.2°C | 48 mm | 76% | 0.2 m/s | 5.3 |
| 2015 ❄️ | 5.7°C | 0.9°C | -3.8°C | 15.0°C | -17.5°C | 84 mm | 90% | 0.2 m/s | 4.2 |
| 2014 | 8.5°C | 3.6°C | -1.4°C | 17.5°C | -6.8°C | 91 mm | 84% | 0.2 m/s | 4 |
| 2013 | 9.2°C | 3.7°C | -1.8°C | 17.5°C | -5.7°C | 48 mm | 78% | 0.2 m/s | 4.7 |
| 2012 | 10.9°C | 5.7°C | 0.5°C | 19.5°C | -4.2°C | 73 mm | 81% | 0.2 m/s | 4.4 |
| 2011 | 9.0°C | 4.1°C | -0.9°C | 19.8°C | -5.3°C | 84 mm | 83% | 0.2 m/s | 4.1 |
| 2010 🔥 | 10.9°C | 5.9°C | 1.0°C | 18.7°C | -3.8°C | 50 mm | 85% | 0.2 m/s | 4.1 |
| 2009 | 9.7°C | 4.7°C | -0.4°C | 23.0°C | -10.7°C | 101 mm | 84% | 0.2 m/s | 4.5 |
| 2008 | 10.2°C | 4.5°C | -1.3°C | 19.1°C | -4.9°C | 48 mm | 82% | 0.2 m/s | 4.5 |
| 2007 | 7.0°C | 2.3°C | -2.4°C | 20.0°C | -6.6°C | 92 mm | 81% | 0.2 m/s | 4.1 |
| 2006 | 9.7°C | 4.5°C | -0.6°C | 17.4°C | -3.9°C | 98 mm | 81% | 0.2 m/s | 4.5 |
| 2005 | 10.4°C | 4.9°C | -0.7°C | 17.7°C | -4.9°C | 99 mm | 80% | 0.2 m/s | 4.4 |
| 2004 | 9.0°C | 4.0°C | -0.9°C | 23.9°C | -5.2°C | 107 mm | 83% | 0.2 m/s | 3.9 |
| 2003 | 6.9°C | 1.2°C | -4.4°C | 19.9°C | -17.0°C | 83 mm | 84% | 0.2 m/s | 4.7 |
| 2002 | 7.6°C | 3.0°C | -1.5°C | 16.9°C | -4.9°C | 143 mm | 81% | 0.2 m/s | 3.8 |
| 2001 | 7.2°C | 2.6°C | -2.0°C | 18.1°C | -6.7°C | 73 mm | 83% | 0.2 m/s | 4.1 |
| 2000 | 8.4°C | 3.8°C | -0.7°C | 17.3°C | -5.3°C | 98 mm | 84% | 0.2 m/s | 3.4 |
| 1999 | 8.5°C | 3.8°C | -0.9°C | 14.6°C | -5.3°C | 59 mm | 81% | 0.2 m/s | 4.3 |
| 1998 | 9.2°C | 4.4°C | -0.4°C | 18.8°C | -6.8°C | 103 mm | 83% | 0.2 m/s | 4.5 |
| 1997 | 6.1°C | 1.4°C | -3.3°C | 13.3°C | -12.2°C | 70 mm | 82% | 0.2 m/s | 4.6 |
| 1996 | 8.7°C | 3.9°C | -0.9°C | 18.4°C | -6.0°C | 98 mm | 85% | 0.2 m/s | 4 |
| 1995 | 8.5°C | 2.8°C | -2.9°C | 14.4°C | -12.1°C | 50 mm | 81% | 0.2 m/s | 4.2 |
| 1994 | 10.2°C | 4.7°C | -0.9°C | 20.2°C | -8.9°C | 92 mm | 81% | 0.2 m/s | 4.4 |
| 1993 | 9.1°C | 4.0°C | -1.0°C | 17.9°C | -7.1°C | 78 mm | 82% | 0.2 m/s | 4 |
| 1992 | 7.5°C | 2.4°C | -2.8°C | 16.5°C | -8.9°C | 38 mm | 79% | 0.2 m/s | 5 |
| 1991 | 9.2°C | 3.7°C | -1.8°C | 17.0°C | -6.1°C | 72 mm | 81% | 0.2 m/s | 5 |
| 1990 | 9.1°C | 3.8°C | -1.5°C | 23.3°C | -7.3°C | 96 mm | 84% | 0.2 m/s | 4.1 |
| 1989 | 7.9°C | 3.3°C | -1.3°C | 18.2°C | -5.0°C | 78 mm | 84% | 0.2 m/s | 4.1 |
| 1988 | 7.4°C | 3.1°C | -1.3°C | 14.1°C | -7.0°C | 119 mm | 86% | 0.2 m/s | 3.5 |
| 1987 | 11.2°C | 5.6°C | 0.0°C | 21.3°C | -4.7°C | 62 mm | 83% | 0.2 m/s | 5 |
| 1986 | 9.8°C | 4.6°C | -0.5°C | 17.8°C | -6.1°C | 112 mm | 85% | 0.2 m/s | 4.4 |
| 1985 | 8.3°C | 2.7°C | -2.9°C | 19.1°C | -10.5°C | 39 mm | 78% | 0.2 m/s | 4.9 |
| 1984 🌧️ | 7.6°C | 2.9°C | -1.9°C | 18.6°C | -8.6°C | 152 mm | 88% | 0.2 m/s | 4.7 |
| 1983 | 9.7°C | 5.0°C | 0.3°C | 20.1°C | -6.3°C | 110 mm | 88% | 0.2 m/s | — |
| 1982 | 7.1°C | 2.4°C | -2.3°C | 15.7°C | -11.4°C | 109 mm | 84% | 0.2 m/s | — |
| 1981 | 8.8°C | 3.8°C | -1.2°C | 14.8°C | -9.1°C | 90 mm | 82% | 0.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 8.9°C with lows near -1.3°C (mean 3.8°C), based on 45 years of NASA POWER data.
April averages 82 mm of rainfall in Dieppe, about average for rainfall. The wettest on record was 152 mm in 1984.
The hottest April reached 23.9°C in 2004. The coldest dipped to -17.5°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.4°C. Daytime highs moved from 8.3°C to 9.9°C and overnight lows from -1.6°C to -0.4°C over the same span.
April is one of the cooler months of the year in Dieppe and about average for rainfall, so plan for around 8.9°C daytime highs and -1.3°C at night.
Not quite — April is the 6th coolest month in Dieppe, averaging 3.8°C.
For April in Dieppe, pack warm layers and a jacket for chilly mornings, with typical highs of 8.9°C and lows of -1.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 82% — quite humid.
Average wind speed in April is 0.2 m/s. The windiest April on record averaged 0.2 m/s (1981).
The wettest April on record was 1984 with 152 mm. On average, April sees 82 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 Dieppe 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.
