April is one of the cooler months of the year in Lancaster, with average highs near 16°C and lows around 4.2°C (mean 10.1°C). It is about average for rainfall, averaging 93 mm of rainfall and 78% relative humidity across the period.
April is one of the cooler months of the year in Lancaster. Across 45 years of records, the warmest April in Lancaster was 2017 — when the month averaged 13.6°C — while the coldest was 1982 at 7.5°C. Typical April days reach 16°C with nights near 4.2°C. The long-term trend is warming, about 0.5°C per decade.
April is about average for rainfall in Lancaster, averaging 93 mm of rainfall. The wettest April on record was 1983 with 218 mm, while the driest was 1985 at 17 mm.
Relative humidity in Lancaster during April averages 78%. The most humid April was 1984 at 84%, and the least humid was 2025 at 73%.
April receives about 4.7 kWh/m²/day of solar energy in Lancaster. The sunniest April was 1997 at 5.5 kWh/m²/day, and the cloudiest was 2011 at 3.7.
Average wind speed in Lancaster during April is 1.4 m/s. The windiest April was 1982 at 1.8 m/s, while the calmest were 2001, 2008 and 2010, among others at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.2°C | 9.6°C | 10.4°C | 10.7°C | 10.9°C | +1.7°C |
| Avg High | 15.1°C | 15.5°C | 16.4°C | 16.7°C | 16.8°C | +1.7°C |
| Avg Low | 3.3°C | 3.7°C | 4.5°C | 4.6°C | 5.0°C | +1.7°C |
| Avg Rain | 96 mm | 87 mm | 96 mm | 89 mm | 100 mm | +4 mm |
April temperatures in Lancaster have risen by about 2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -8.5°C (1982) to a record high of 32.1°C (2002).
Rainfall in April is about average for rainfall, averaging 93 mm, with a wettest year of 218 mm.
A good time to visit Lancaster
April is a good time to visit Lancaster, with days averaging 16°C and nights around 4.2°C (mean 10.1°C, cooler than Lancaster's yearly average) and higher rainfall. June 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 | 17.6°C | 11.7°C | 5.7°C | 25.9°C | -4.0°C | 67 mm | 73% | 1.6 m/s | 4.6 |
| 2024 | 17.3°C | 11.8°C | 6.2°C | 30.5°C | 0.1°C | 112 mm | 80% | 1.4 m/s | 4.5 |
| 2023 | 19.1°C | 12.7°C | 6.3°C | 27.9°C | -1.6°C | 118 mm | 75% | 1.4 m/s | 5 |
| 2022 | 15.6°C | 9.5°C | 3.3°C | 24.8°C | -1.9°C | 106 mm | 74% | 1.5 m/s | 4.8 |
| 2021 | 16.9°C | 10.9°C | 4.8°C | 27.1°C | -4.7°C | 57 mm | 76% | 1.4 m/s | 4.8 |
| 2020 | 14.1°C | 8.8°C | 3.4°C | 23.5°C | -2.7°C | 142 mm | 76% | 1.7 m/s | 4.4 |
| 2019 | 18.0°C | 12.2°C | 6.3°C | 24.1°C | -4.1°C | 89 mm | 80% | 1.5 m/s | 4.6 |
| 2018 | 13.9°C | 8.2°C | 2.5°C | 26.2°C | -3.3°C | 98 mm | 76% | 1.5 m/s | 4.5 |
| 2017 🔥 | 19.5°C | 13.6°C | 7.7°C | 28.6°C | -1.9°C | 79 mm | 79% | 1.4 m/s | 4.6 |
| 2016 | 15.7°C | 9.6°C | 3.4°C | 25.5°C | -5.4°C | 56 mm | 75% | 1.4 m/s | 5 |
| 2015 | 16.3°C | 10.1°C | 3.9°C | 24.3°C | -3.9°C | 65 mm | 77% | 1.5 m/s | 4.9 |
| 2014 | 15.1°C | 8.9°C | 2.7°C | 23.2°C | -4.8°C | 172 mm | 80% | 1.4 m/s | 4.9 |
| 2013 | 16.7°C | 10.6°C | 4.4°C | 25.6°C | -4.7°C | 63 mm | 77% | 1.4 m/s | 5.2 |
| 2012 | 16.4°C | 10.2°C | 4.0°C | 27.9°C | -1.1°C | 59 mm | 73% | 1.4 m/s | 5.3 |
| 2011 | 16.7°C | 11.3°C | 5.9°C | 26.1°C | -1.3°C | 153 mm | 84% | 1.6 m/s | 3.7 |
| 2010 | 18.4°C | 12.1°C | 5.7°C | 28.0°C | 0.2°C | 58 mm | 77% | 1.3 m/s | 5.4 |
| 2009 | 16.4°C | 10.6°C | 4.7°C | 30.3°C | -3.6°C | 104 mm | 78% | 1.5 m/s | 4.8 |
| 2008 | 17.1°C | 11.3°C | 5.5°C | 26.2°C | -3.5°C | 90 mm | 80% | 1.3 m/s | 4.9 |
| 2007 | 13.7°C | 8.4°C | 3.0°C | 26.0°C | -3.6°C | 134 mm | 79% | 1.5 m/s | 4.2 |
| 2006 | 17.8°C | 11.3°C | 4.9°C | 25.1°C | -3.2°C | 94 mm | 75% | 1.4 m/s | 5.4 |
| 2005 | 17.2°C | 10.9°C | 4.6°C | 26.2°C | -1.0°C | 116 mm | 78% | 1.4 m/s | 5.3 |
| 2004 | 16.1°C | 10.6°C | 5.1°C | 27.2°C | -3.7°C | 127 mm | 80% | 1.5 m/s | 4.5 |
| 2003 | 15.1°C | 9.3°C | 3.5°C | 25.9°C | -4.5°C | 71 mm | 82% | 1.4 m/s | 4.5 |
| 2002 | 18.3°C | 11.9°C | 5.5°C | 32.1°C | -4.7°C | 81 mm | 73% | 1.4 m/s | 4.6 |
| 2001 | 16.8°C | 10.5°C | 4.1°C | 28.2°C | -3.2°C | 53 mm | 78% | 1.3 m/s | 4.6 |
| 2000 | 15.2°C | 9.5°C | 3.7°C | 24.2°C | -2.8°C | 87 mm | 81% | 1.5 m/s | 4.2 |
| 1999 | 16.3°C | 9.9°C | 3.5°C | 24.2°C | -1.1°C | 77 mm | 76% | 1.3 m/s | 4.9 |
| 1998 | 16.4°C | 10.5°C | 4.7°C | 22.4°C | -1.6°C | 123 mm | 80% | 1.3 m/s | 4.8 |
| 1997 | 14.2°C | 8.2°C | 2.3°C | 21.1°C | -5.0°C | 40 mm | 76% | 1.6 m/s | 5.5 |
| 1996 | 14.5°C | 8.8°C | 3.2°C | 24.1°C | -3.3°C | 130 mm | 82% | 1.7 m/s | 4.6 |
| 1995 | 15.0°C | 8.6°C | 2.2°C | 25.5°C | -5.0°C | 53 mm | 74% | 1.4 m/s | 4.9 |
| 1994 | 17.5°C | 11.4°C | 5.2°C | 26.3°C | -3.5°C | 76 mm | 81% | 1.4 m/s | 5.4 |
| 1993 | 14.8°C | 8.9°C | 3.0°C | 21.8°C | -3.3°C | 168 mm | 83% | 1.5 m/s | 4.2 |
| 1992 | 14.4°C | 8.9°C | 3.4°C | 22.6°C | -3.7°C | 51 mm | 80% | 1.3 m/s | 4.3 |
| 1991 | 16.3°C | 10.6°C | 5.0°C | 26.0°C | -3.8°C | 65 mm | 82% | 1.4 m/s | 4.3 |
| 1990 | 15.7°C | 9.9°C | 4.2°C | 29.4°C | -4.4°C | 89 mm | 80% | 1.4 m/s | 4.5 |
| 1989 | 14.5°C | 8.4°C | 2.3°C | 23.0°C | -4.2°C | 53 mm | 76% | 1.3 m/s | 4.8 |
| 1988 | 14.0°C | 8.3°C | 2.6°C | 20.4°C | -2.6°C | 69 mm | 79% | 1.6 m/s | 4.9 |
| 1987 | 14.9°C | 9.5°C | 4.1°C | 24.3°C | -3.8°C | 79 mm | 83% | 1.4 m/s | 4.4 |
| 1986 | 15.1°C | 9.6°C | 4.0°C | 22.8°C | -1.7°C | 92 mm | 81% | 1.4 m/s | 4.6 |
| 1985 | 17.7°C | 11.4°C | 5.1°C | 28.9°C | -5.7°C | 17 mm | 75% | 1.4 m/s | 4.9 |
| 1984 | 13.9°C | 8.4°C | 3.0°C | 22.1°C | -2.7°C | 112 mm | 84% | 1.3 m/s | 4.2 |
| 1983 🌧️ | 14.0°C | 8.8°C | 3.6°C | 24.6°C | -3.0°C | 218 mm | 84% | 1.6 m/s | — |
| 1982 ❄️ | 14.0°C | 7.5°C | 0.9°C | 23.1°C | -8.5°C | 124 mm | 75% | 1.8 m/s | — |
| 1981 | 17.5°C | 10.6°C | 3.7°C | 25.1°C | -3.8°C | 101 mm | 76% | 1.5 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 16°C with lows near 4.2°C (mean 10.1°C), based on 45 years of NASA POWER data.
April averages 93 mm of rainfall in Lancaster, about average for rainfall. The wettest on record was 218 mm in 1983.
The hottest April reached 32.1°C in 2002. The coldest dipped to -8.5°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2°C. Daytime highs moved from 15.4°C to 17.3°C and overnight lows from 3.3°C to 5.3°C over the same span.
April is one of the cooler months of the year in Lancaster and about average for rainfall, so plan for around 16°C daytime highs and 4.2°C at night.
Not quite — April is the 6th coolest month in Lancaster, averaging 10.1°C.
For April in Lancaster, pack warm layers and a jacket for chilly mornings, with typical highs of 16°C and lows of 4.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 78% — quite humid.
Average wind speed in April is 1.4 m/s. The windiest April on record averaged 1.8 m/s (1982).
The wettest April on record was 1983 with 218 mm. On average, April sees 93 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 Lancaster 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.
