April is one of the cooler months of the year in Dorchester, with average highs near 10.9°C and lows around 7.5°C (mean 9.2°C). It is one of the drier months, averaging 59 mm of rainfall and 85% relative humidity across the period.
April is one of the cooler months of the year in Dorchester. Across 45 years of records, the warmest April in Dorchester was 2007 — when the month averaged 11.3°C — while the coldest was 1986 at 6.4°C. Typical April days reach 10.9°C with nights near 7.5°C. The long-term trend is warming, about 0.3°C per decade.
April is one of the drier months in Dorchester, averaging 59 mm of rainfall. The wettest April on record was 2000 with 163 mm, while the driest was 1984 at 8 mm.
Relative humidity in Dorchester during April averages 85%. The most humid April was 1987 at 90%, and the least humid was 2021 at 77%.
April receives about 4.3 kWh/m²/day of solar energy in Dorchester. The sunniest April was 2021 at 5.2 kWh/m²/day, and the cloudiest was 1993 at 3.4.
Average wind speed in Dorchester during April is 5.1 m/s. The windiest April was 1994 at 6.7 m/s, while the calmest was 2007 at 3.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.4°C | 9.1°C | 9.4°C | 9.4°C | 9.9°C | +1.5°C |
| Avg High | 10.2°C | 10.8°C | 11.1°C | 11.1°C | 11.6°C | +1.4°C |
| Avg Low | 6.6°C | 7.4°C | 7.8°C | 7.7°C | 8.1°C | +1.5°C |
| Avg Rain | 54 mm | 69 mm | 63 mm | 54 mm | 51 mm | -2 mm |
April temperatures in Dorchester have risen by about 1°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 0.9°C (1986) to a record high of 18.5°C (2011).
Rainfall in April is one of the drier months, averaging 59 mm, with a wettest year of 163 mm.
A good time to visit Dorchester
April is a good time to visit Dorchester, with days averaging 10.9°C and nights around 7.5°C (mean 9.2°C, cooler than Dorchester's yearly average) and moderate rainfall. August and July 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 | 12.6°C | 10.6°C | 8.6°C | 16.1°C | 5.7°C | 48 mm | 85% | 4.7 m/s | 5 |
| 2024 | 11.8°C | 10.4°C | 9.1°C | 13.3°C | 6.2°C | 83 mm | 85% | 6.1 m/s | 3.9 |
| 2023 | 11.3°C | 9.7°C | 8.1°C | 13.8°C | 5.7°C | 77 mm | 85% | 5.1 m/s | 4.2 |
| 2022 | 11.8°C | 9.9°C | 8.0°C | 14.5°C | 3.4°C | 33 mm | 83% | 5 m/s | 4.6 |
| 2021 | 10.0°C | 8.1°C | 6.1°C | 12.2°C | 3.7°C | 12 mm | 77% | 4.5 m/s | 5.2 |
| 2020 | 12.4°C | 10.4°C | 8.4°C | 16.2°C | 4.2°C | 55 mm | 85% | 4.3 m/s | 4.9 |
| 2019 | 11.4°C | 9.7°C | 8.1°C | 17.2°C | 4.5°C | 74 mm | 83% | 5.1 m/s | 4.4 |
| 2018 | 11.0°C | 9.6°C | 8.2°C | 18.3°C | 3.9°C | 84 mm | 89% | 5 m/s | 3.8 |
| 2017 | 11.7°C | 9.8°C | 7.9°C | 13.8°C | 4.9°C | 19 mm | 82% | 3.9 m/s | 4.8 |
| 2016 | 10.3°C | 8.7°C | 7.1°C | 12.7°C | 5.3°C | 52 mm | 82% | 5.2 m/s | 4.5 |
| 2015 | 11.5°C | 9.6°C | 7.7°C | 17.7°C | 5.5°C | 20 mm | 84% | 4.6 m/s | 5 |
| 2014 | 11.8°C | 10.2°C | 8.7°C | 13.3°C | 6.6°C | 73 mm | 87% | 4.4 m/s | 4.3 |
| 2013 | 8.9°C | 7.4°C | 5.9°C | 12.3°C | 1.4°C | 40 mm | 86% | 5.7 m/s | 4.2 |
| 2012 | 10.4°C | 8.8°C | 7.1°C | 12.1°C | 4.5°C | 139 mm | 82% | 6.1 m/s | 4.1 |
| 2011 | 13.2°C | 11.1°C | 9.1°C | 18.5°C | 6.3°C | 8 mm | 85% | 3.9 m/s | 4.9 |
| 2010 | 10.6°C | 8.7°C | 6.7°C | 12.5°C | 4.6°C | 35 mm | 85% | 4.3 m/s | 5.1 |
| 2009 | 11.4°C | 9.8°C | 8.2°C | 14.9°C | 6.0°C | 52 mm | 87% | 3.9 m/s | 4.6 |
| 2008 | 10.4°C | 8.9°C | 7.4°C | 14.1°C | 3.6°C | 64 mm | 84% | 5.4 m/s | 4.6 |
| 2007 🔥 | 13.7°C | 11.3°C | 9.0°C | 18.2°C | 5.1°C | 10 mm | 85% | 3.7 m/s | 4.8 |
| 2006 | 10.6°C | 8.9°C | 7.2°C | 13.0°C | 3.2°C | 25 mm | 86% | 4.8 m/s | 4.3 |
| 2005 | 10.6°C | 9.2°C | 7.8°C | 13.5°C | 3.9°C | 73 mm | 88% | 4.8 m/s | 4.1 |
| 2004 | 11.1°C | 9.5°C | 8.0°C | 14.5°C | 4.9°C | 74 mm | 87% | 4.8 m/s | 4.1 |
| 2003 | 11.1°C | 9.4°C | 7.8°C | 15.6°C | 3.2°C | 41 mm | 85% | 5.3 m/s | 4.3 |
| 2002 | 11.7°C | 9.8°C | 7.9°C | 15.2°C | 5.0°C | 44 mm | 83% | 5.6 m/s | 4.3 |
| 2001 | 10.4°C | 8.8°C | 7.3°C | 12.0°C | 4.3°C | 81 mm | 84% | 5.6 m/s | 3.8 |
| 2000 🌧️ | 10.0°C | 8.5°C | 7.0°C | 12.5°C | 3.1°C | 163 mm | 87% | 6 m/s | 3.6 |
| 1999 | 11.1°C | 9.6°C | 8.2°C | 14.7°C | 3.8°C | 93 mm | 86% | 5.7 m/s | 3.9 |
| 1998 | 10.0°C | 8.7°C | 7.4°C | 12.9°C | 3.0°C | 126 mm | 86% | 5.9 m/s | 3.7 |
| 1997 | 12.0°C | 9.9°C | 7.7°C | 16.4°C | 4.9°C | 23 mm | 81% | 4.4 m/s | 4.8 |
| 1996 | 10.1°C | 8.6°C | 7.1°C | 14.5°C | 2.8°C | 53 mm | 87% | 4 m/s | 3.7 |
| 1995 | 11.3°C | 9.5°C | 7.6°C | 15.0°C | 4.2°C | 38 mm | 85% | 4.4 m/s | 3.9 |
| 1994 | 10.1°C | 8.4°C | 6.6°C | 14.7°C | 3.2°C | 51 mm | 85% | 6.7 m/s | 4.1 |
| 1993 | 11.4°C | 9.9°C | 8.3°C | 17.7°C | 5.5°C | 102 mm | 88% | 5.4 m/s | 3.4 |
| 1992 | 10.6°C | 8.9°C | 7.2°C | 13.2°C | 3.7°C | 83 mm | 85% | 5.8 m/s | 3.7 |
| 1991 | 10.4°C | 8.5°C | 6.6°C | 14.7°C | 2.9°C | 75 mm | 84% | 6.1 m/s | 3.7 |
| 1990 | 11.0°C | 8.9°C | 6.9°C | 14.9°C | 4.0°C | 42 mm | 81% | 5.6 m/s | 4.7 |
| 1989 | 9.8°C | 8.1°C | 6.4°C | 11.7°C | 3.1°C | 71 mm | 81% | 5.3 m/s | 3.6 |
| 1988 | 10.5°C | 8.7°C | 7.0°C | 12.3°C | 3.8°C | 35 mm | 85% | 5 m/s | 4 |
| 1987 | 10.7°C | 9.2°C | 7.7°C | 13.9°C | 4.7°C | 73 mm | 90% | 4.3 m/s | 3.8 |
| 1986 ❄️ | 8.1°C | 6.4°C | 4.7°C | 11.6°C | 0.9°C | 68 mm | 85% | 5.4 m/s | 3.9 |
| 1985 | 10.8°C | 9.1°C | 7.3°C | 14.3°C | 4.6°C | 52 mm | 85% | 6.2 m/s | 3.8 |
| 1984 | 10.5°C | 8.5°C | 6.4°C | 14.8°C | 2.4°C | 8 mm | 81% | 4.5 m/s | 4.8 |
| 1983 | 9.3°C | 7.7°C | 6.2°C | 11.1°C | 3.4°C | 105 mm | 85% | 5.2 m/s | — |
| 1982 | 11.3°C | 9.2°C | 7.1°C | 13.8°C | 4.5°C | 28 mm | 83% | 4.4 m/s | — |
| 1981 | 10.6°C | 8.8°C | 6.9°C | 12.9°C | 3.0°C | 45 mm | 85% | 5.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10.9°C with lows near 7.5°C (mean 9.2°C), based on 45 years of NASA POWER data.
April averages 59 mm of rainfall in Dorchester, one of the drier months. The wettest on record was 163 mm in 2000.
The hottest April reached 18.5°C in 2011. The coldest dipped to 0.9°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1°C. Daytime highs moved from 10.5°C to 11.5°C and overnight lows from 6.8°C to 8°C over the same span.
April is one of the cooler months of the year in Dorchester and one of the drier months, so plan for around 10.9°C daytime highs and 7.5°C at night.
Not quite — April is the 5th coolest month in Dorchester, averaging 9.2°C.
For April in Dorchester, pack warm layers and a jacket for chilly mornings, with typical highs of 10.9°C and lows of 7.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 85% — quite humid.
Average wind speed in April is 5.1 m/s. The windiest April on record averaged 6.7 m/s (1994).
The wettest April on record was 2000 with 163 mm. On average, April sees 59 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 Dorchester 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.
