March is one of the cooler months of the year in Dover, with average highs near 11°C and lows around 1.1°C (mean 6.1°C). It is about average for rainfall, averaging 102 mm of rainfall and 80% relative humidity across the period.
March is one of the cooler months of the year in Dover. Across 45 years of records, the warmest March in Dover was 2012 — when the month averaged 10.6°C — while the coldest was 1984 at 2.6°C. Typical March days reach 11°C with nights near 1.1°C. The long-term trend is warming, about 0.5°C per decade.
March is about average for rainfall in Dover, averaging 102 mm of rainfall. The wettest March on record was 1994 with 228 mm, while the driest was 2006 at 5 mm.
Relative humidity in Dover during March averages 80%. The most humid March was 1993 at 87%, and the least humid was 2006 at 73%.
March receives about 3.9 kWh/m²/day of solar energy in Dover. The sunniest March was 2006 at 4.5 kWh/m²/day, and the cloudiest was 1993 at 3.2.
Average wind speed in Dover during March is 3.6 m/s. The windiest March was 1999 at 4.4 m/s, while the calmest were 1995, 2003 and 2015 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.3°C | 5.4°C | 6.2°C | 5.7°C | 8.2°C | +2.9°C |
| Avg High | 10.2°C | 10.2°C | 11.3°C | 10.5°C | 13.4°C | +3.2°C |
| Avg Low | 0.4°C | 0.7°C | 1.1°C | 1.0°C | 3.0°C | +2.6°C |
| Avg Rain | 94 mm | 129 mm | 91 mm | 96 mm | 100 mm | +7 mm |
March temperatures in Dover have risen by about 3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -14.5°C (2015) to a record high of 25.7°C (1998).
Rainfall in March is about average for rainfall, averaging 102 mm, with a wettest year of 228 mm.
A quieter season to visit Dover
If your dates are flexible, the more temperate months of June and September tend to be the most comfortable for visiting Dover. That said, March — with days averaging 11°C and nights around 1.1°C (mean 6.1°C) and higher rainfall (102 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 14.6°C | 8.8°C | 3.1°C | 24.8°C | -5.9°C | 116 mm | 74% | 3.9 m/s | 4.2 |
| 2024 | 13.1°C | 8.2°C | 3.4°C | 21.9°C | -2.5°C | 184 mm | 83% | 3.5 m/s | 4 |
| 2023 | 12.5°C | 7.2°C | 1.9°C | 19.9°C | -3.5°C | 43 mm | 77% | 3.7 m/s | 4 |
| 2022 | 13.3°C | 8.2°C | 3.2°C | 22.8°C | -5.1°C | 76 mm | 76% | 3.8 m/s | 3.8 |
| 2021 | 12.9°C | 7.6°C | 2.3°C | 24.3°C | -4.2°C | 103 mm | 80% | 3.4 m/s | 4.3 |
| 2020 | 14.3°C | 9.3°C | 4.3°C | 22.8°C | -3.8°C | 79 mm | 80% | 3.2 m/s | 3.6 |
| 2019 | 9.5°C | 4.9°C | 0.4°C | 20.0°C | -7.1°C | 97 mm | 82% | 3.4 m/s | 4.1 |
| 2018 | 8.5°C | 4.0°C | -0.4°C | 21.6°C | -3.4°C | 96 mm | 79% | 4.1 m/s | 3.9 |
| 2017 | 10.3°C | 5.4°C | 0.5°C | 23.5°C | -7.3°C | 111 mm | 74% | 4.1 m/s | 4 |
| 2016 | 14.0°C | 8.9°C | 3.8°C | 22.1°C | -4.2°C | 64 mm | 82% | 3.3 m/s | 4 |
| 2015 | 8.0°C | 3.1°C | -1.8°C | 17.5°C | -14.5°C | 121 mm | 82% | 3.1 m/s | 3.5 |
| 2014 | 7.8°C | 3.0°C | -1.7°C | 17.3°C | -10.3°C | 93 mm | 81% | 3.8 m/s | 3.5 |
| 2013 | 8.0°C | 3.8°C | -0.4°C | 14.6°C | -3.1°C | 84 mm | 80% | 3.8 m/s | 3.5 |
| 2012 🔥 | 15.7°C | 10.6°C | 5.4°C | 24.8°C | -4.0°C | 27 mm | 82% | 3.2 m/s | 4.1 |
| 2011 | 10.6°C | 5.7°C | 0.9°C | 22.3°C | -5.0°C | 112 mm | 80% | 3.5 m/s | 4.1 |
| 2010 | 12.6°C | 7.9°C | 3.1°C | 20.1°C | -2.6°C | 156 mm | 84% | 3.5 m/s | 3.6 |
| 2009 | 10.8°C | 6.0°C | 1.1°C | 22.2°C | -11.2°C | 57 mm | 80% | 3.2 m/s | 3.7 |
| 2008 | 12.5°C | 6.9°C | 1.4°C | 21.8°C | -3.2°C | 75 mm | 77% | 3.8 m/s | 4 |
| 2007 | 11.1°C | 5.7°C | 0.3°C | 23.7°C | -8.9°C | 93 mm | 81% | 3.7 m/s | 4.2 |
| 2006 | 11.7°C | 6.3°C | 1.0°C | 23.1°C | -4.3°C | 5 mm | 73% | 3.4 m/s | 4.5 |
| 2005 | 8.4°C | 3.9°C | -0.5°C | 16.5°C | -6.3°C | 96 mm | 80% | 3.4 m/s | 3.5 |
| 2004 | 11.5°C | 6.6°C | 1.7°C | 20.2°C | -4.1°C | 59 mm | 82% | 3.6 m/s | 3.7 |
| 2003 | 11.1°C | 6.2°C | 1.3°C | 20.8°C | -6.5°C | 105 mm | 86% | 3.1 m/s | 3.8 |
| 2002 | 13.2°C | 7.6°C | 2.0°C | 22.8°C | -6.6°C | 119 mm | 74% | 3.9 m/s | 3.7 |
| 2001 | 9.3°C | 4.5°C | -0.2°C | 17.6°C | -4.7°C | 138 mm | 79% | 3.9 m/s | 3.6 |
| 2000 | 13.7°C | 8.2°C | 2.7°C | 24.2°C | -4.7°C | 158 mm | 79% | 3.8 m/s | 4.1 |
| 1999 | 9.5°C | 4.5°C | -0.5°C | 18.3°C | -6.6°C | 110 mm | 76% | 4.4 m/s | 4.3 |
| 1998 | 10.9°C | 6.8°C | 2.8°C | 25.7°C | -5.4°C | 144 mm | 85% | 3.7 m/s | 3.7 |
| 1997 | 11.1°C | 6.1°C | 1.2°C | 20.1°C | -3.3°C | 129 mm | 81% | 4.1 m/s | 3.7 |
| 1996 | 7.4°C | 2.9°C | -1.7°C | 17.3°C | -10.2°C | 102 mm | 81% | 3.6 m/s | 4 |
| 1995 | 12.1°C | 6.5°C | 1.0°C | 21.3°C | -7.3°C | 55 mm | 79% | 3.1 m/s | 4 |
| 1994 🌧️ | 9.2°C | 4.6°C | 0.1°C | 19.8°C | -5.1°C | 228 mm | 87% | 3.8 m/s | 3.7 |
| 1993 | 8.2°C | 3.7°C | -0.8°C | 17.1°C | -10.0°C | 187 mm | 87% | 3.5 m/s | 3.2 |
| 1992 | 9.3°C | 4.7°C | 0.1°C | 17.3°C | -5.2°C | 109 mm | 80% | 3.7 m/s | 3.7 |
| 1991 | 11.6°C | 6.8°C | 2.0°C | 19.8°C | -4.3°C | 138 mm | 82% | 3.8 m/s | 3.7 |
| 1990 | 12.4°C | 7.5°C | 2.7°C | 24.7°C | -6.9°C | 85 mm | 81% | 3.2 m/s | 3.8 |
| 1989 | 10.1°C | 5.4°C | 0.7°C | 23.6°C | -6.3°C | 150 mm | 84% | 3.8 m/s | 3.5 |
| 1988 | 11.2°C | 6.0°C | 0.9°C | 20.0°C | -5.4°C | 69 mm | 78% | 3.5 m/s | 4.3 |
| 1987 | 10.6°C | 5.6°C | 0.6°C | 19.2°C | -5.7°C | 55 mm | 82% | 3.3 m/s | 4.2 |
| 1986 | 11.3°C | 5.8°C | 0.3°C | 21.1°C | -9.7°C | 38 mm | 79% | 3.6 m/s | 4.4 |
| 1985 | 11.6°C | 6.3°C | 1.1°C | 21.9°C | -5.7°C | 58 mm | 76% | 3.8 m/s | 3.9 |
| 1984 ❄️ | 6.6°C | 2.6°C | -1.4°C | 16.1°C | -7.5°C | 169 mm | 83% | 3.9 m/s | 3.7 |
| 1983 | 11.5°C | 6.7°C | 2.0°C | 20.0°C | -4.4°C | 178 mm | 82% | 4.2 m/s | — |
| 1982 | 10.0°C | 5.2°C | 0.3°C | 19.5°C | -5.1°C | 82 mm | 82% | 3.4 m/s | — |
| 1981 | 9.2°C | 4.1°C | -1.0°C | 20.3°C | -5.3°C | 44 mm | 76% | 3.7 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 11°C with lows near 1.1°C (mean 6.1°C), based on 45 years of NASA POWER data.
March averages 102 mm of rainfall in Dover, about average for rainfall. The wettest on record was 228 mm in 1994.
The hottest March reached 25.7°C in 1998. The coldest dipped to -14.5°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 3°C. Daytime highs moved from 9.8°C to 13.3°C and overnight lows from 0.2°C to 2.8°C over the same span.
March is one of the cooler months of the year in Dover and about average for rainfall, so plan for around 11°C daytime highs and 1.1°C at night.
Not quite — March is the 4th coolest month in Dover, averaging 6.1°C.
For March in Dover, pack warm layers and a jacket for chilly mornings, with typical highs of 11°C and lows of 1.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 80% — quite humid.
Average wind speed in March is 3.6 m/s. The windiest March on record averaged 4.4 m/s (1999).
The wettest March on record was 1994 with 228 mm. On average, March sees 102 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 March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
