April is one of the cooler months of the year in Hartlepool, with average highs near 10.4°C and lows around 3.5°C (mean 7°C). It is about average for rainfall, averaging 57 mm of rainfall and 85% relative humidity across the period.
April is one of the cooler months of the year in Hartlepool. Across 45 years of records, the warmest April in Hartlepool was 2011 — when the month averaged 9.9°C — while the coldest was 1986 at 4.1°C. Typical April days reach 10.4°C with nights near 3.5°C. The long-term trend is warming, about 0.4°C per decade.
April is about average for rainfall in Hartlepool, averaging 57 mm of rainfall. The wettest April on record was 2000 with 137 mm, while the driest was 2025 at 13 mm.
Relative humidity in Hartlepool during April averages 85%. The most humid April was 2018 at 89%, and the least humid was 2021 at 78%.
April receives about 3.6 kWh/m²/day of solar energy in Hartlepool. The sunniest Aprils were 2020, 2021 and 2025 at 4.5 kWh/m²/day, and the cloudiest were 1986 and 1993 at 2.9.
Average wind speed in Hartlepool during April is 3.7 m/s. The windiest April was 1991 at 4.8 m/s, while the calmest were 1988, 2021 and 2025 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.0°C | 6.8°C | 7.4°C | 7.3°C | 7.4°C | +1.4°C |
| Avg High | 9.4°C | 10.2°C | 10.8°C | 10.8°C | 11.1°C | +1.7°C |
| Avg Low | 2.6°C | 3.5°C | 3.9°C | 3.8°C | 3.8°C | +1.2°C |
| Avg Rain | 64 mm | 59 mm | 66 mm | 49 mm | 40 mm | -24 mm |
April temperatures in Hartlepool have risen by about 1.2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -2.6°C (1990) to a record high of 21.5°C (2025).
Rainfall in April is about average for rainfall, averaging 57 mm, with a wettest year of 137 mm.
A good time to visit Hartlepool
April is a good time to visit Hartlepool, with days averaging 10.4°C and nights around 3.5°C (mean 7°C, cooler than Hartlepool'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 | 13.0°C | 8.9°C | 4.8°C | 21.5°C | 0.9°C | 13 mm | 83% | 3 m/s | 4.5 |
| 2024 | 10.5°C | 7.5°C | 4.5°C | 15.5°C | 0.1°C | 94 mm | 87% | 4.5 m/s | 3.4 |
| 2023 | 10.5°C | 7.2°C | 3.9°C | 13.5°C | -0.8°C | 79 mm | 85% | 3.5 m/s | 3.6 |
| 2022 | 11.3°C | 7.9°C | 4.5°C | 16.6°C | -0.3°C | 26 mm | 82% | 3.6 m/s | 3.9 |
| 2021 | 9.2°C | 5.2°C | 1.2°C | 15.1°C | -2.0°C | 15 mm | 78% | 3 m/s | 4.5 |
| 2020 | 12.0°C | 7.9°C | 3.8°C | 17.4°C | -0.3°C | 14 mm | 83% | 3.4 m/s | 4.5 |
| 2019 | 11.3°C | 7.4°C | 3.6°C | 18.9°C | -0.8°C | 27 mm | 84% | 3.4 m/s | 4 |
| 2018 | 10.8°C | 7.8°C | 4.7°C | 20.7°C | -1.5°C | 82 mm | 89% | 3.7 m/s | 3.3 |
| 2017 | 11.1°C | 7.4°C | 3.7°C | 17.3°C | 0.6°C | 24 mm | 84% | 3.8 m/s | 3.9 |
| 2016 | 8.9°C | 5.7°C | 2.5°C | 14.9°C | -0.4°C | 77 mm | 86% | 3.6 m/s | 3.7 |
| 2015 | 11.6°C | 7.5°C | 3.4°C | 18.1°C | -1.9°C | 30 mm | 82% | 3.2 m/s | 4.3 |
| 2014 | 12.0°C | 8.6°C | 5.2°C | 16.4°C | 1.2°C | 54 mm | 87% | 3.5 m/s | 3.3 |
| 2013 | 8.7°C | 5.6°C | 2.4°C | 14.3°C | -1.2°C | 24 mm | 83% | 4.2 m/s | 3.6 |
| 2012 | 8.8°C | 6.0°C | 3.1°C | 14.1°C | -0.9°C | 133 mm | 85% | 3.5 m/s | 3.3 |
| 2011 🔥 | 14.0°C | 9.9°C | 5.8°C | 19.7°C | 2.5°C | 15 mm | 83% | 3.4 m/s | 4.2 |
| 2010 | 11.0°C | 7.2°C | 3.4°C | 17.0°C | -0.4°C | 27 mm | 85% | 3.1 m/s | 3.8 |
| 2009 | 12.3°C | 8.5°C | 4.6°C | 16.5°C | 1.4°C | 41 mm | 85% | 3.3 m/s | 3.6 |
| 2008 | 9.3°C | 6.3°C | 3.3°C | 15.4°C | -1.6°C | 71 mm | 87% | 3.8 m/s | 3.5 |
| 2007 | 13.3°C | 9.5°C | 5.7°C | 20.5°C | 2.3°C | 20 mm | 85% | 3.3 m/s | 4 |
| 2006 | 9.8°C | 6.4°C | 3.0°C | 13.1°C | -0.3°C | 41 mm | 85% | 3.9 m/s | 4 |
| 2005 | 10.5°C | 7.0°C | 3.5°C | 14.6°C | 0.1°C | 92 mm | 87% | 4 m/s | 3.6 |
| 2004 | 11.3°C | 8.3°C | 5.4°C | 18.0°C | 0.1°C | 100 mm | 88% | 3.6 m/s | 3.1 |
| 2003 | 11.8°C | 7.8°C | 3.8°C | 19.5°C | -2.2°C | 40 mm | 85% | 3.5 m/s | 3.8 |
| 2002 | 11.4°C | 7.6°C | 3.7°C | 16.8°C | 0.1°C | 30 mm | 84% | 3.5 m/s | 4.1 |
| 2001 | 8.7°C | 5.6°C | 2.5°C | 13.9°C | 0.1°C | 86 mm | 87% | 3.9 m/s | 3.2 |
| 2000 🌧️ | 9.7°C | 6.6°C | 3.5°C | 14.7°C | -0.8°C | 137 mm | 86% | 3.5 m/s | 3 |
| 1999 | 10.8°C | 7.7°C | 4.5°C | 16.3°C | -2.2°C | 59 mm | 86% | 3.7 m/s | 3.6 |
| 1998 | 8.9°C | 6.3°C | 3.6°C | 14.2°C | -2.0°C | 106 mm | 87% | 4.2 m/s | 3.3 |
| 1997 | 10.9°C | 7.2°C | 3.5°C | 17.3°C | -0.5°C | 20 mm | 83% | 3.7 m/s | 3.4 |
| 1996 | 10.0°C | 6.6°C | 3.2°C | 17.3°C | -2.5°C | 43 mm | 86% | 3.5 m/s | 3.2 |
| 1995 | 10.3°C | 6.8°C | 3.3°C | 14.8°C | -0.4°C | 30 mm | 85% | 4 m/s | 3.5 |
| 1994 | 9.3°C | 6.2°C | 3.1°C | 17.3°C | -0.6°C | 73 mm | 86% | 4.5 m/s | 3.7 |
| 1993 | 10.9°C | 7.6°C | 4.3°C | 18.2°C | -0.7°C | 115 mm | 86% | 3.7 m/s | 2.9 |
| 1992 | 10.3°C | 7.1°C | 3.9°C | 15.1°C | 0.8°C | 83 mm | 83% | 4.5 m/s | 3.2 |
| 1991 | 9.6°C | 6.3°C | 3.0°C | 15.9°C | 0.5°C | 39 mm | 83% | 4.8 m/s | 3.4 |
| 1990 | 10.6°C | 6.6°C | 2.6°C | 20.2°C | -2.6°C | 24 mm | 82% | 4.1 m/s | 3.9 |
| 1989 | 8.1°C | 5.0°C | 1.9°C | 12.8°C | -2.0°C | 61 mm | 82% | 3.8 m/s | 3.1 |
| 1988 | 9.8°C | 6.4°C | 2.9°C | 15.2°C | -1.4°C | 42 mm | 85% | 3 m/s | 3.1 |
| 1987 | 11.6°C | 8.1°C | 4.6°C | 19.4°C | 0.4°C | 65 mm | 88% | 3.2 m/s | 3.1 |
| 1986 ❄️ | 7.0°C | 4.1°C | 1.3°C | 12.5°C | -0.9°C | 110 mm | 88% | 3.9 m/s | 2.9 |
| 1985 | 9.3°C | 6.3°C | 3.3°C | 14.7°C | -2.4°C | 85 mm | 87% | 4.2 m/s | 3.1 |
| 1984 | 10.1°C | 6.3°C | 2.4°C | 15.9°C | -1.3°C | 20 mm | 84% | 3.1 m/s | 4 |
| 1983 | 8.1°C | 5.0°C | 1.8°C | 12.5°C | -1.8°C | 111 mm | 87% | 3.7 m/s | — |
| 1982 | 10.8°C | 6.8°C | 2.8°C | 15.8°C | -1.6°C | 18 mm | 84% | 3.2 m/s | — |
| 1981 | 9.4°C | 6.1°C | 2.8°C | 15.5°C | -1.3°C | 66 mm | 86% | 3.6 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10.4°C with lows near 3.5°C (mean 7°C), based on 45 years of NASA POWER data.
April averages 57 mm of rainfall in Hartlepool, about average for rainfall. The wettest on record was 137 mm in 2000.
The hottest April reached 21.5°C in 2025. The coldest dipped to -2.6°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.2°C. Daytime highs moved from 9.5°C to 10.9°C and overnight lows from 2.6°C to 3.8°C over the same span.
April is one of the cooler months of the year in Hartlepool and about average for rainfall, so plan for around 10.4°C daytime highs and 3.5°C at night.
Not quite — April is the 6th coolest month in Hartlepool, averaging 7°C.
For April in Hartlepool, pack warm layers and a jacket for chilly mornings, with typical highs of 10.4°C and lows of 3.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 85% — quite humid.
Average wind speed in April is 3.7 m/s. The windiest April on record averaged 4.8 m/s (1991).
The wettest April on record was 2000 with 137 mm. On average, April sees 57 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 Hartlepool 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.
