April is one of the cooler months of the year in Penzance, with average highs near 10.7°C and lows around 9.1°C (mean 9.9°C). It is one of the drier months, averaging 64 mm of rainfall and 84% relative humidity across the period.
April is one of the cooler months of the year in Penzance. Across 45 years of records, the warmest April in Penzance was 2025 — when the month averaged 11.6°C — while the coldest was 1986 at 7.3°C. Typical April days reach 10.7°C with nights near 9.1°C. The long-term trend is warming, about 0.3°C per decade.
April is one of the drier months in Penzance, averaging 64 mm of rainfall. The wettest April on record was 1998 with 167 mm, while the driest was 2021 at 9 mm.
Relative humidity in Penzance during April averages 84%. The most humid April was 1987 at 88%, and the least humid was 2021 at 76%.
April receives about 4.4 kWh/m²/day of solar energy in Penzance. The sunniest April was 2021 at 5.4 kWh/m²/day, and the cloudiest were 1996, 1998 and 2001, among others at 3.9.
Average wind speed in Penzance during April is 5.9 m/s. The windiest April was 1994 at 7.9 m/s, while the calmest were 2007 and 2020 at 4.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.3°C | 9.7°C | 10.1°C | 10.0°C | 10.7°C | +1.4°C |
| Avg High | 10.2°C | 10.5°C | 10.8°C | 10.8°C | 11.5°C | +1.3°C |
| Avg Low | 8.4°C | 8.8°C | 9.3°C | 9.2°C | 9.9°C | +1.5°C |
| Avg Rain | 56 mm | 72 mm | 68 mm | 63 mm | 55 mm | 0 mm |
April temperatures in Penzance have risen by about 1.1°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 3.2°C (1986) to a record high of 16.5°C (2019).
Rainfall in April is one of the drier months, averaging 64 mm, with a wettest year of 167 mm.
A good time to visit Penzance
April is a good time to visit Penzance, with days averaging 10.7°C and nights around 9.1°C (mean 9.9°C, cooler than Penzance'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 🔥 | 12.4°C | 11.6°C | 10.8°C | 15.1°C | 8.2°C | 92 mm | 85% | 5.6 m/s | 4.8 |
| 2024 | 11.7°C | 11.0°C | 10.3°C | 13.2°C | 7.9°C | 84 mm | 85% | 6.8 m/s | 4.1 |
| 2023 | 11.3°C | 10.6°C | 9.9°C | 12.8°C | 8.6°C | 70 mm | 86% | 5.9 m/s | 4.1 |
| 2022 | 11.3°C | 10.5°C | 9.8°C | 12.8°C | 6.6°C | 36 mm | 84% | 5.3 m/s | 4.5 |
| 2021 | 10.3°C | 9.4°C | 8.6°C | 12.4°C | 6.5°C | 9 mm | 76% | 5.3 m/s | 5.4 |
| 2020 | 11.7°C | 10.8°C | 9.9°C | 13.8°C | 7.2°C | 41 mm | 86% | 4.6 m/s | 4.7 |
| 2019 | 11.1°C | 10.4°C | 9.6°C | 16.5°C | 6.5°C | 95 mm | 84% | 6.1 m/s | 4.2 |
| 2018 | 10.8°C | 10.1°C | 9.4°C | 12.2°C | 6.8°C | 97 mm | 88% | 5.9 m/s | 4.2 |
| 2017 | 11.2°C | 10.4°C | 9.6°C | 13.0°C | 7.0°C | 19 mm | 82% | 4.9 m/s | 4.8 |
| 2016 | 10.1°C | 9.4°C | 8.6°C | 11.6°C | 7.1°C | 80 mm | 81% | 6.2 m/s | 4.6 |
| 2015 | 11.0°C | 10.2°C | 9.4°C | 12.7°C | 8.2°C | 28 mm | 85% | 5.7 m/s | 4.9 |
| 2014 | 11.2°C | 10.5°C | 9.9°C | 12.0°C | 8.3°C | 65 mm | 86% | 5.3 m/s | 4.3 |
| 2013 | 9.4°C | 8.7°C | 7.9°C | 11.4°C | 4.4°C | 50 mm | 83% | 6.8 m/s | 4.3 |
| 2012 | 10.2°C | 9.3°C | 8.4°C | 11.1°C | 5.0°C | 137 mm | 81% | 7.2 m/s | 4.1 |
| 2011 | 12.1°C | 11.3°C | 10.5°C | 14.1°C | 9.2°C | 19 mm | 87% | 4.7 m/s | 4.9 |
| 2010 | 10.5°C | 9.7°C | 8.9°C | 11.9°C | 6.9°C | 37 mm | 84% | 5.3 m/s | 4.9 |
| 2009 | 11.0°C | 10.3°C | 9.5°C | 12.5°C | 8.4°C | 110 mm | 85% | 5.1 m/s | 4.5 |
| 2008 | 10.2°C | 9.4°C | 8.7°C | 11.6°C | 5.7°C | 57 mm | 83% | 6 m/s | 4.6 |
| 2007 | 12.3°C | 11.5°C | 10.6°C | 13.5°C | 7.2°C | 29 mm | 87% | 4.6 m/s | 4.7 |
| 2006 | 10.2°C | 9.6°C | 9.0°C | 12.8°C | 5.3°C | 36 mm | 86% | 5.3 m/s | 4.5 |
| 2005 | 10.6°C | 9.9°C | 9.2°C | 12.9°C | 6.5°C | 92 mm | 86% | 5.9 m/s | 4.3 |
| 2004 | 10.8°C | 10.1°C | 9.4°C | 13.3°C | 7.4°C | 59 mm | 85% | 6.1 m/s | 4.2 |
| 2003 | 11.2°C | 10.4°C | 9.6°C | 13.6°C | 6.8°C | 66 mm | 84% | 6.3 m/s | 4.5 |
| 2002 | 11.2°C | 10.3°C | 9.4°C | 12.3°C | 7.6°C | 56 mm | 81% | 6.6 m/s | 4.4 |
| 2001 | 10.6°C | 9.8°C | 8.9°C | 11.9°C | 7.1°C | 88 mm | 83% | 6.7 m/s | 3.9 |
| 2000 | 10.1°C | 9.2°C | 8.4°C | 12.4°C | 5.7°C | 91 mm | 83% | 6.7 m/s | 4.2 |
| 1999 | 10.9°C | 10.1°C | 9.4°C | 13.9°C | 5.7°C | 92 mm | 86% | 7.1 m/s | 4.2 |
| 1998 🌧️ | 10.1°C | 9.4°C | 8.7°C | 12.1°C | 5.8°C | 167 mm | 83% | 7.5 m/s | 3.9 |
| 1997 | 11.3°C | 10.5°C | 9.7°C | 13.4°C | 6.3°C | 19 mm | 83% | 4.9 m/s | 4.8 |
| 1996 | 10.3°C | 9.7°C | 9.0°C | 12.0°C | 6.5°C | 66 mm | 86% | 5 m/s | 3.9 |
| 1995 | 10.5°C | 9.6°C | 8.7°C | 12.1°C | 4.9°C | 35 mm | 86% | 5.1 m/s | 4.1 |
| 1994 | 9.9°C | 9.0°C | 8.2°C | 12.0°C | 6.1°C | 68 mm | 83% | 7.9 m/s | 4.3 |
| 1993 | 11.0°C | 10.3°C | 9.5°C | 13.6°C | 8.1°C | 80 mm | 87% | 6.1 m/s | 3.9 |
| 1992 | 10.1°C | 9.3°C | 8.6°C | 11.7°C | 6.0°C | 77 mm | 86% | 6.6 m/s | 3.9 |
| 1991 | 10.3°C | 9.2°C | 8.2°C | 13.4°C | 5.4°C | 77 mm | 84% | 7 m/s | 4 |
| 1990 | 10.5°C | 9.5°C | 8.4°C | 13.4°C | 6.0°C | 40 mm | 81% | 6.4 m/s | 4.8 |
| 1989 | 10.0°C | 9.1°C | 8.2°C | 11.8°C | 4.5°C | 68 mm | 79% | 5.8 m/s | 4.2 |
| 1988 | 10.5°C | 9.6°C | 8.7°C | 11.8°C | 6.6°C | 59 mm | 87% | 5.6 m/s | 4.2 |
| 1987 | 10.9°C | 10.1°C | 9.3°C | 13.3°C | 6.0°C | 58 mm | 88% | 5.2 m/s | 4.3 |
| 1986 ❄️ | 8.2°C | 7.3°C | 6.4°C | 10.1°C | 3.2°C | 59 mm | 81% | 6.3 m/s | 4.3 |
| 1985 | 10.9°C | 9.9°C | 8.9°C | 13.3°C | 6.9°C | 74 mm | 84% | 7.3 m/s | 4.3 |
| 1984 | 10.5°C | 9.6°C | 8.6°C | 13.3°C | 4.8°C | 12 mm | 82% | 5.1 m/s | 5.1 |
| 1983 | 9.4°C | 8.5°C | 7.6°C | 10.9°C | 5.6°C | 86 mm | 82% | 5.8 m/s | — |
| 1982 | 10.9°C | 10.0°C | 9.1°C | 12.3°C | 6.6°C | 35 mm | 84% | 5.2 m/s | — |
| 1981 | 10.4°C | 9.6°C | 8.7°C | 12.2°C | 5.7°C | 49 mm | 85% | 6.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10.7°C with lows near 9.1°C (mean 9.9°C), based on 45 years of NASA POWER data.
April averages 64 mm of rainfall in Penzance, one of the drier months. The wettest on record was 167 mm in 1998.
The hottest April reached 16.5°C in 2019. The coldest dipped to 3.2°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.1°C. Daytime highs moved from 10.4°C to 11.4°C and overnight lows from 8.6°C to 9.9°C over the same span.
April is one of the cooler months of the year in Penzance and one of the drier months, so plan for around 10.7°C daytime highs and 9.1°C at night.
Not quite — April is the 4th coolest month in Penzance, averaging 9.9°C.
For April in Penzance, pack light layers you can adjust through the day, with typical highs of 10.7°C and lows of 9.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 84% — quite humid.
Average wind speed in April is 5.9 m/s. The windiest April on record averaged 7.9 m/s (1994).
The wettest April on record was 1998 with 167 mm. On average, April sees 64 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 Penzance 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.