April is one of the warmer months of the year in St. Clements, with average highs near 9.2°C and lows around -0.4°C (mean 4.4°C). It is about average for rainfall, averaging 39 mm of rainfall and 69% relative humidity across the period.
April is one of the warmer months of the year in St. Clements. Across 45 years of records, the warmest April in St. Clements was 2006 — when the month averaged 9.6°C — while the coldest was 2018 at -0.3°C. Typical April days reach 9.2°C with nights near -0.4°C. The long-term trend is cooling, about 0.4°C per decade.
April is about average for rainfall in St. Clements, averaging 39 mm of rainfall. The wettest April on record was 2021 with 105 mm, while the driest was 1987 at 4 mm.
Relative humidity in St. Clements during April averages 69%. The most humid April was 2014 at 80%, and the least humid was 1994 at 61%.
April receives about 4.8 kWh/m²/day of solar energy in St. Clements. The sunniest April was 2007 at 5.5 kWh/m²/day, and the cloudiest were 1984, 1986 and 1992 at 4.2.
Average wind speed in St. Clements during April is 4.2 m/s. The windiest April was 2022 at 4.9 m/s, while the calmest was 2011 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.0°C | 4.3°C | 5.2°C | 3.8°C | 3.2°C | -1.8°C |
| Avg High | 10.2°C | 9.2°C | 10.0°C | 8.5°C | 7.5°C | -2.7°C |
| Avg Low | -0.1°C | -0.6°C | 0.4°C | -1.0°C | -1.2°C | -1.1°C |
| Avg Rain | 29 mm | 38 mm | 33 mm | 45 mm | 55 mm | +26 mm |
April temperatures in St. Clements have fallen by about 1.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -21.7°C (2018) to a record high of 26.3°C (1987).
Rainfall in April is about average for rainfall, averaging 39 mm, with a wettest year of 105 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows fell 0.2°C per decade, narrowing the gap between day and night.
A good time to visit St. Clements
April is a good time to visit St. Clements, with days averaging 9.2°C and nights around -0.4°C (mean 4.4°C, warmer than St. Clements's yearly average) and moderate 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 | 7.9°C | 3.6°C | -0.8°C | 17.8°C | -9.9°C | 35 mm | 75% | 3.9 m/s | 4.7 |
| 2024 | 11.2°C | 6.2°C | 1.2°C | 20.9°C | -7.2°C | 35 mm | 70% | 4 m/s | 4.8 |
| 2023 | 6.6°C | 2.3°C | -1.9°C | 20.0°C | -11.4°C | 33 mm | 76% | 4.2 m/s | 4.3 |
| 2022 | 4.1°C | 0.7°C | -2.6°C | 9.9°C | -8.2°C | 97 mm | 77% | 4.9 m/s | 4.4 |
| 2021 🌧️ | 8.7°C | 4.1°C | -0.6°C | 17.0°C | -6.1°C | 105 mm | 70% | 4.2 m/s | 4.4 |
| 2020 | 6.4°C | 2.1°C | -2.3°C | 18.5°C | -9.9°C | 24 mm | 70% | 4.3 m/s | 4.8 |
| 2019 | 9.0°C | 4.4°C | -0.1°C | 17.3°C | -6.9°C | 40 mm | 70% | 4.2 m/s | 4.5 |
| 2018 ❄️ | 5.3°C | -0.3°C | -5.9°C | 22.0°C | -21.7°C | 34 mm | 71% | 3.8 m/s | 5.4 |
| 2017 | 10.4°C | 5.7°C | 0.9°C | 17.6°C | -4.6°C | 47 mm | 67% | 4.1 m/s | 5.2 |
| 2016 | 6.8°C | 2.0°C | -2.7°C | 18.2°C | -13.4°C | 63 mm | 72% | 4.5 m/s | 4.6 |
| 2015 | 10.5°C | 5.3°C | 0.0°C | 21.8°C | -10.0°C | 37 mm | 68% | 4.4 m/s | 5.3 |
| 2014 | 4.5°C | 0.4°C | -3.7°C | 13.8°C | -17.4°C | 43 mm | 80% | 4.2 m/s | 5 |
| 2013 | 3.8°C | -0.2°C | -4.3°C | 18.8°C | -14.7°C | 42 mm | 77% | 4 m/s | 5.2 |
| 2012 | 11.2°C | 6.0°C | 0.9°C | 18.3°C | -5.0°C | 28 mm | 62% | 4.4 m/s | 5 |
| 2011 | 9.5°C | 5.3°C | 1.0°C | 20.5°C | -5.5°C | 56 mm | 72% | 3.3 m/s | 4.4 |
| 2010 | 14.1°C | 9.0°C | 3.9°C | 21.0°C | -2.3°C | 55 mm | 66% | 4.1 m/s | 5 |
| 2009 | 8.7°C | 4.6°C | 0.5°C | 17.4°C | -4.6°C | 34 mm | 72% | 4.1 m/s | 4.5 |
| 2008 | 9.0°C | 4.1°C | -0.8°C | 17.9°C | -7.6°C | 31 mm | 64% | 4.3 m/s | 5.2 |
| 2007 | 9.4°C | 4.2°C | -1.0°C | 21.5°C | -17.8°C | 36 mm | 67% | 3.9 m/s | 5.5 |
| 2006 🔥 | 15.0°C | 9.6°C | 4.1°C | 23.6°C | -4.3°C | 28 mm | 69% | 4 m/s | 5.1 |
| 2005 | 12.2°C | 7.8°C | 3.4°C | 19.9°C | -3.6°C | 43 mm | 70% | 4.8 m/s | 4.8 |
| 2004 | 8.3°C | 3.7°C | -0.9°C | 18.0°C | -5.1°C | 32 mm | 67% | 4.6 m/s | 4.9 |
| 2003 | 10.5°C | 5.4°C | 0.3°C | 21.4°C | -8.0°C | 34 mm | 64% | 4.4 m/s | 5 |
| 2002 | 6.8°C | 2.4°C | -2.1°C | 19.2°C | -11.0°C | 38 mm | 69% | 3.9 m/s | 4.6 |
| 2001 | 10.7°C | 6.0°C | 1.4°C | 25.6°C | -4.5°C | 34 mm | 71% | 4 m/s | 4.3 |
| 2000 | 8.9°C | 4.3°C | -0.4°C | 20.2°C | -9.5°C | 24 mm | 65% | 4.2 m/s | 5 |
| 1999 | 12.2°C | 7.0°C | 1.8°C | 23.4°C | -6.2°C | 36 mm | 67% | 4.1 m/s | 5 |
| 1998 | 13.9°C | 8.6°C | 3.2°C | 24.0°C | -2.6°C | 33 mm | 64% | 3.9 m/s | 5.2 |
| 1997 | 6.9°C | 1.9°C | -3.1°C | 14.6°C | -19.7°C | 50 mm | 75% | 4.2 m/s | 5.2 |
| 1996 | 5.9°C | 1.4°C | -3.1°C | 17.1°C | -17.1°C | 52 mm | 72% | 3.9 m/s | 5.2 |
| 1995 | 6.0°C | 1.5°C | -3.1°C | 14.0°C | -16.8°C | 14 mm | 68% | 3.6 m/s | 4.9 |
| 1994 | 9.2°C | 4.2°C | -0.8°C | 21.6°C | -10.6°C | 14 mm | 61% | 4.5 m/s | 4.9 |
| 1993 | 10.4°C | 5.3°C | 0.2°C | 17.9°C | -5.4°C | 32 mm | 65% | 3.4 m/s | 4.5 |
| 1992 | 7.1°C | 2.8°C | -1.6°C | 18.2°C | -8.9°C | 40 mm | 73% | 4.4 m/s | 4.2 |
| 1991 | 13.1°C | 7.6°C | 2.1°C | 22.4°C | -3.7°C | 69 mm | 66% | 4.3 m/s | 4.5 |
| 1990 | 7.3°C | 2.8°C | -1.7°C | 22.3°C | -8.9°C | 35 mm | 67% | 4.7 m/s | 4.6 |
| 1989 | 7.0°C | 2.5°C | -2.0°C | 18.4°C | -10.3°C | 24 mm | 71% | 4.4 m/s | 5.2 |
| 1988 | 10.4°C | 4.9°C | -0.6°C | 22.0°C | -5.2°C | 10 mm | 62% | 4.7 m/s | 5.1 |
| 1987 | 15.6°C | 9.4°C | 3.3°C | 26.3°C | -8.3°C | 4 mm | 63% | 4.3 m/s | 4.9 |
| 1986 | 9.6°C | 5.1°C | 0.5°C | 18.8°C | -5.1°C | 77 mm | 74% | 4.8 m/s | 4.2 |
| 1985 | 11.3°C | 6.0°C | 0.6°C | 24.8°C | -4.9°C | 27 mm | 68% | 4.2 m/s | 5.1 |
| 1984 | 12.9°C | 7.9°C | 2.9°C | 20.9°C | -3.8°C | 68 mm | 71% | 4.4 m/s | 4.2 |
| 1983 | 7.6°C | 3.1°C | -1.5°C | 19.8°C | -7.3°C | 9 mm | 72% | 4 m/s | — |
| 1982 | 7.3°C | 1.7°C | -3.8°C | 22.0°C | -20.3°C | 23 mm | 70% | 4.3 m/s | — |
| 1981 | 9.8°C | 4.8°C | -0.1°C | 18.0°C | -5.7°C | 18 mm | 66% | 4.4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 9.2°C with lows near -0.4°C (mean 4.4°C), based on 45 years of NASA POWER data.
April averages 39 mm of rainfall in St. Clements, about average for rainfall. The wettest on record was 105 mm in 2021.
The hottest April reached 26.3°C in 1987. The coldest dipped to -21.7°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 1.3°C. Daytime highs moved from 9.8°C to 7.7°C and overnight lows from -0.4°C to -0.9°C over the same span.
April is one of the warmer months of the year in St. Clements and about average for rainfall, so plan for around 9.2°C daytime highs and -0.4°C at night.
Not quite — April is the 6th coolest month in St. Clements, averaging 4.4°C.
For April in St. Clements, pack warm layers and a jacket for chilly mornings, with typical highs of 9.2°C and lows of -0.4°C.
Relative humidity in April averages 69% — moderately humid.
Average wind speed in April is 4.2 m/s. The windiest April on record averaged 4.9 m/s (2022).
The wettest April on record was 2021 with 105 mm. On average, April sees 39 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 St. Clements 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.
