April is one of the cooler months of the year in Harborne, with average highs near 12.7°C and lows around 3.4°C (mean 8°C). It is one of the drier months, averaging 53 mm of rainfall and 83% relative humidity across the period.
April is one of the cooler months of the year in Harborne. Across 45 years of records, the warmest April in Harborne was 2011 — when the month averaged 11.2°C — while the coldest was 1986 at 4.9°C. Typical April days reach 12.7°C with nights near 3.4°C. The long-term trend is warming, about 0.4°C per decade.
April is one of the drier months in Harborne, averaging 53 mm of rainfall. The wettest April on record was 2000 with 133 mm, while the driest was 1984 at 10 mm.
Relative humidity in Harborne during April averages 83%. The most humid April was 2018 at 87%, and the least humid was 1997 at 79%.
April receives about 3.9 kWh/m²/day of solar energy in Harborne. The sunniest April was 2025 at 4.9 kWh/m²/day, and the cloudiest was 1993 at 3.1.
Average wind speed in Harborne during April is 3.1 m/s. The windiest April was 1991 at 4.1 m/s, while the calmest was 2021 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.1°C | 7.9°C | 8.4°C | 8.3°C | 8.5°C | +1.4°C |
| Avg High | 11.7°C | 12.4°C | 12.9°C | 13.1°C | 13.5°C | +1.8°C |
| Avg Low | 2.6°C | 3.4°C | 3.8°C | 3.6°C | 3.5°C | +0.9°C |
| Avg Rain | 58 mm | 58 mm | 61 mm | 45 mm | 39 mm | -18 mm |
April temperatures in Harborne have risen by about 0.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -4.1°C (1996) to a record high of 23°C (2018).
Rainfall in April is one of the drier months, averaging 53 mm, with a wettest year of 133 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A good time to visit Harborne
April is a good time to visit Harborne, with days averaging 12.7°C and nights around 3.4°C (mean 8°C, cooler than Harborne'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 | 15.7°C | 9.9°C | 4.2°C | 22.0°C | -0.3°C | 26 mm | 80% | 2.7 m/s | 4.9 |
| 2024 | 12.9°C | 8.9°C | 5.0°C | 17.8°C | -0.2°C | 71 mm | 84% | 3.8 m/s | 3.8 |
| 2023 | 12.7°C | 8.0°C | 3.4°C | 17.0°C | -3.4°C | 64 mm | 82% | 2.9 m/s | 3.9 |
| 2022 | 13.7°C | 8.8°C | 3.8°C | 19.7°C | -2.5°C | 23 mm | 80% | 3.1 m/s | 4.3 |
| 2021 | 10.9°C | 5.6°C | 0.2°C | 15.7°C | -2.9°C | 16 mm | 79% | 2.4 m/s | 4.6 |
| 2020 | 15.0°C | 9.7°C | 4.3°C | 21.0°C | -1.2°C | 36 mm | 81% | 2.8 m/s | 4.7 |
| 2019 | 14.0°C | 8.7°C | 3.3°C | 21.3°C | -3.1°C | 36 mm | 80% | 3 m/s | 4.2 |
| 2018 | 12.9°C | 8.9°C | 4.9°C | 23.0°C | -0.8°C | 84 mm | 87% | 3.3 m/s | 3.2 |
| 2017 | 13.3°C | 8.3°C | 3.3°C | 20.1°C | -0.6°C | 19 mm | 81% | 2.8 m/s | 4 |
| 2016 | 11.0°C | 6.6°C | 2.1°C | 14.5°C | -1.9°C | 64 mm | 82% | 2.9 m/s | 4.1 |
| 2015 | 14.0°C | 8.6°C | 3.3°C | 18.4°C | -0.8°C | 22 mm | 80% | 2.8 m/s | 4.7 |
| 2014 | 14.3°C | 9.7°C | 5.1°C | 16.9°C | -0.5°C | 41 mm | 85% | 2.9 m/s | 3.7 |
| 2013 | 10.7°C | 6.2°C | 1.8°C | 16.3°C | -3.8°C | 22 mm | 83% | 3.7 m/s | 4 |
| 2012 | 10.7°C | 6.8°C | 2.8°C | 16.6°C | -3.2°C | 118 mm | 84% | 3.3 m/s | 3.4 |
| 2011 🔥 | 16.6°C | 11.2°C | 5.8°C | 22.5°C | 2.3°C | 11 mm | 81% | 2.9 m/s | 4.4 |
| 2010 | 13.3°C | 8.3°C | 3.2°C | 18.7°C | -0.6°C | 31 mm | 82% | 2.7 m/s | 4.4 |
| 2009 | 14.2°C | 9.3°C | 4.4°C | 17.7°C | 1.0°C | 48 mm | 83% | 2.7 m/s | 4 |
| 2008 | 11.3°C | 7.2°C | 3.1°C | 18.3°C | -1.9°C | 59 mm | 85% | 3.3 m/s | 3.7 |
| 2007 | 16.4°C | 10.7°C | 5.0°C | 21.5°C | 1.3°C | 14 mm | 81% | 2.8 m/s | 4.5 |
| 2006 | 12.2°C | 7.8°C | 3.4°C | 16.7°C | -3.9°C | 38 mm | 83% | 3.1 m/s | 3.7 |
| 2005 | 12.7°C | 8.3°C | 3.9°C | 19.0°C | -1.0°C | 50 mm | 83% | 3.2 m/s | 3.8 |
| 2004 | 13.3°C | 9.2°C | 5.0°C | 20.1°C | 0.4°C | 94 mm | 85% | 3.1 m/s | 3.6 |
| 2003 | 13.7°C | 8.7°C | 3.7°C | 22.7°C | -4.1°C | 44 mm | 83% | 3.2 m/s | 3.9 |
| 2002 | 13.4°C | 8.6°C | 3.8°C | 19.5°C | 0.4°C | 41 mm | 82% | 3.3 m/s | 4.2 |
| 2001 | 10.6°C | 6.7°C | 2.8°C | 16.2°C | -1.9°C | 87 mm | 86% | 3.3 m/s | 3.3 |
| 2000 🌧️ | 11.1°C | 7.2°C | 3.4°C | 16.7°C | -1.8°C | 133 mm | 86% | 3.2 m/s | 3.4 |
| 1999 | 12.8°C | 8.7°C | 4.6°C | 18.6°C | -2.6°C | 68 mm | 85% | 3.3 m/s | 3.8 |
| 1998 | 10.7°C | 7.1°C | 3.4°C | 16.7°C | -1.1°C | 107 mm | 86% | 3.5 m/s | 3.3 |
| 1997 | 13.6°C | 8.5°C | 3.4°C | 18.8°C | -2.3°C | 35 mm | 79% | 2.8 m/s | 3.7 |
| 1996 | 12.2°C | 7.6°C | 3.0°C | 19.8°C | -4.1°C | 57 mm | 84% | 2.8 m/s | 3.6 |
| 1995 | 13.0°C | 8.3°C | 3.6°C | 18.5°C | -2.5°C | 25 mm | 83% | 3.1 m/s | 3.7 |
| 1994 | 11.3°C | 7.0°C | 2.6°C | 20.6°C | -2.9°C | 56 mm | 84% | 4 m/s | 3.8 |
| 1993 | 13.2°C | 9.0°C | 4.8°C | 21.8°C | -0.9°C | 85 mm | 85% | 3.4 m/s | 3.1 |
| 1992 | 12.5°C | 8.2°C | 3.9°C | 17.3°C | -1.0°C | 51 mm | 81% | 3.8 m/s | 3.5 |
| 1991 | 12.0°C | 7.4°C | 2.8°C | 18.0°C | -1.5°C | 62 mm | 81% | 4.1 m/s | 3.5 |
| 1990 | 12.6°C | 7.4°C | 2.2°C | 21.5°C | -4.0°C | 27 mm | 80% | 3.3 m/s | 4.2 |
| 1989 | 10.0°C | 5.7°C | 1.4°C | 15.0°C | -3.0°C | 87 mm | 83% | 3.1 m/s | 3.2 |
| 1988 | 12.4°C | 7.6°C | 2.8°C | 17.5°C | -2.3°C | 40 mm | 85% | 2.9 m/s | 3.4 |
| 1987 | 14.3°C | 9.5°C | 4.6°C | 20.3°C | -0.7°C | 67 mm | 85% | 2.9 m/s | 3.5 |
| 1986 ❄️ | 8.8°C | 4.9°C | 1.1°C | 14.8°C | -2.7°C | 70 mm | 85% | 3.1 m/s | 3.3 |
| 1985 | 11.9°C | 7.7°C | 3.5°C | 17.9°C | -2.6°C | 68 mm | 84% | 3.9 m/s | 3.4 |
| 1984 | 12.9°C | 7.3°C | 1.8°C | 19.8°C | -3.9°C | 10 mm | 81% | 2.8 m/s | 4.5 |
| 1983 | 10.1°C | 6.0°C | 1.9°C | 14.6°C | -1.4°C | 82 mm | 85% | 3 m/s | — |
| 1982 | 12.6°C | 7.9°C | 3.2°C | 16.8°C | -2.2°C | 34 mm | 84% | 2.8 m/s | — |
| 1981 | 11.9°C | 7.4°C | 2.9°C | 18.9°C | -2.5°C | 61 mm | 84% | 3.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 12.7°C with lows near 3.4°C (mean 8°C), based on 45 years of NASA POWER data.
April averages 53 mm of rainfall in Harborne, one of the drier months. The wettest on record was 133 mm in 2000.
The hottest April reached 23°C in 2018. The coldest dipped to -4.1°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.9°C. Daytime highs moved from 11.9°C to 13.2°C and overnight lows from 2.7°C to 3.3°C over the same span.
April is one of the cooler months of the year in Harborne and one of the drier months, so plan for around 12.7°C daytime highs and 3.4°C at night.
Not quite — April is the 6th coolest month in Harborne, averaging 8°C.
For April in Harborne, pack warm layers and a jacket for chilly mornings, with typical highs of 12.7°C and lows of 3.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 83% — quite humid.
Average wind speed in April is 3.1 m/s. The windiest April on record averaged 4.1 m/s (1991).
The wettest April on record was 2000 with 133 mm. On average, April sees 53 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 Harborne 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.
