April is one of the cooler months of the year in Conwy, with average highs near 9.7°C and lows around 6.2°C (mean 8°C). It is one of the drier months, averaging 60 mm of rainfall and 85% relative humidity across the period.
April is one of the cooler months of the year in Conwy. Across 45 years of records, the warmest April in Conwy was 2011 — when the month averaged 10.1°C — while the coldest was 1986 at 5.3°C. Typical April days reach 9.7°C with nights near 6.2°C. The long-term trend is warming, about 0.4°C per decade.
April is one of the drier months in Conwy, averaging 60 mm of rainfall. The wettest April on record was 2012 with 114 mm, while the driest was 2021 at 12 mm.
Relative humidity in Conwy during April averages 85%. The most humid April was 2018 at 88%, and the least humid was 2021 at 78%.
April receives about 3.8 kWh/m²/day of solar energy in Conwy. The sunniest April was 2021 at 4.8 kWh/m²/day, and the cloudiest were 1985 and 1996 at 3.2.
Average wind speed in Conwy during April is 4.6 m/s. The windiest Aprils were 1991 and 1994 at 5.9 m/s, while the calmest were 2007, 2010 and 2021 at 3.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.1°C | 7.7°C | 8.2°C | 8.1°C | 8.8°C | +1.7°C |
| Avg High | 8.8°C | 9.4°C | 10.0°C | 9.9°C | 10.8°C | +2°C |
| Avg Low | 5.3°C | 6.1°C | 6.5°C | 6.3°C | 6.9°C | +1.6°C |
| Avg Rain | 59 mm | 67 mm | 67 mm | 58 mm | 45 mm | -14 mm |
April temperatures in Conwy have risen by about 1.6°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 0.4°C (1996) to a record high of 18.6°C (2025).
Rainfall in April is one of the drier months, averaging 60 mm, with a wettest year of 114 mm.
A good time to visit Conwy
April is a good time to visit Conwy, with days averaging 9.7°C and nights around 6.2°C (mean 8°C, cooler than Conwy'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 | 12.5°C | 10.0°C | 7.5°C | 18.6°C | 4.5°C | 40 mm | 83% | 3.9 m/s | 4.6 |
| 2024 | 10.5°C | 9.1°C | 7.8°C | 13.1°C | 5.3°C | 95 mm | 85% | 5.5 m/s | 3.6 |
| 2023 | 10.5°C | 8.7°C | 6.9°C | 13.6°C | 3.8°C | 57 mm | 84% | 4.2 m/s | 3.8 |
| 2022 | 10.6°C | 8.8°C | 7.0°C | 13.7°C | 3.7°C | 38 mm | 82% | 4.4 m/s | 4.1 |
| 2021 | 9.0°C | 7.2°C | 5.3°C | 12.8°C | 3.3°C | 12 mm | 78% | 3.6 m/s | 4.8 |
| 2020 | 11.5°C | 9.2°C | 6.8°C | 15.7°C | 4.2°C | 26 mm | 84% | 4.1 m/s | 4.6 |
| 2019 | 11.2°C | 8.8°C | 6.3°C | 17.7°C | 3.1°C | 77 mm | 83% | 4.6 m/s | 4 |
| 2018 | 9.7°C | 8.0°C | 6.3°C | 15.8°C | 2.0°C | 84 mm | 88% | 4.2 m/s | 3.4 |
| 2017 | 9.9°C | 8.4°C | 6.9°C | 13.6°C | 4.5°C | 25 mm | 84% | 4.6 m/s | 3.9 |
| 2016 | 8.7°C | 7.1°C | 5.5°C | 12.0°C | 3.1°C | 101 mm | 84% | 4.8 m/s | 3.9 |
| 2015 | 9.8°C | 8.0°C | 6.1°C | 13.2°C | 4.2°C | 39 mm | 84% | 4.1 m/s | 4.3 |
| 2014 | 11.2°C | 9.3°C | 7.5°C | 14.4°C | 5.5°C | 37 mm | 87% | 4.1 m/s | 3.7 |
| 2013 | 8.1°C | 6.4°C | 4.6°C | 11.1°C | 0.4°C | 39 mm | 85% | 5.5 m/s | 3.9 |
| 2012 🌧️ | 8.6°C | 7.2°C | 5.9°C | 13.0°C | 3.0°C | 114 mm | 84% | 5.1 m/s | 3.6 |
| 2011 🔥 | 12.1°C | 10.1°C | 8.1°C | 16.8°C | 6.2°C | 29 mm | 85% | 4 m/s | 4.3 |
| 2010 | 9.5°C | 7.8°C | 6.2°C | 13.6°C | 3.8°C | 34 mm | 84% | 3.6 m/s | 4.2 |
| 2009 | 11.1°C | 9.1°C | 7.1°C | 13.6°C | 5.0°C | 48 mm | 86% | 3.8 m/s | 3.9 |
| 2008 | 8.9°C | 7.4°C | 6.0°C | 12.5°C | 2.6°C | 80 mm | 87% | 4.9 m/s | 3.6 |
| 2007 | 11.8°C | 9.8°C | 7.8°C | 17.2°C | 4.0°C | 18 mm | 86% | 3.6 m/s | 4.3 |
| 2006 | 9.0°C | 7.7°C | 6.4°C | 11.5°C | 2.9°C | 56 mm | 86% | 4.9 m/s | 4.2 |
| 2005 | 10.1°C | 8.2°C | 6.4°C | 13.4°C | 4.0°C | 104 mm | 86% | 5.2 m/s | 3.7 |
| 2004 | 10.1°C | 8.7°C | 7.4°C | 14.2°C | 5.5°C | 58 mm | 88% | 4.8 m/s | 3.5 |
| 2003 | 11.0°C | 8.8°C | 6.6°C | 18.3°C | 2.1°C | 54 mm | 84% | 4.4 m/s | 4 |
| 2002 | 10.3°C | 8.3°C | 6.4°C | 13.1°C | 3.0°C | 65 mm | 84% | 4.9 m/s | 4.1 |
| 2001 | 8.4°C | 7.0°C | 5.5°C | 10.8°C | 2.8°C | 93 mm | 86% | 4.9 m/s | 3.4 |
| 2000 | 9.2°C | 7.4°C | 5.7°C | 13.9°C | 3.0°C | 95 mm | 85% | 4.3 m/s | 3.5 |
| 1999 | 10.0°C | 8.4°C | 6.9°C | 13.5°C | 2.2°C | 74 mm | 87% | 4.9 m/s | 3.7 |
| 1998 | 8.8°C | 7.4°C | 6.0°C | 11.9°C | 2.7°C | 98 mm | 85% | 5.2 m/s | 3.5 |
| 1997 | 10.0°C | 8.4°C | 6.8°C | 13.0°C | 3.9°C | 45 mm | 85% | 4.1 m/s | 3.5 |
| 1996 | 9.1°C | 7.3°C | 5.5°C | 13.9°C | 0.4°C | 67 mm | 88% | 4.2 m/s | 3.2 |
| 1995 | 9.3°C | 7.8°C | 6.3°C | 13.3°C | 3.5°C | 30 mm | 87% | 4.7 m/s | 3.8 |
| 1994 | 8.8°C | 7.3°C | 5.8°C | 13.3°C | 3.1°C | 89 mm | 85% | 5.9 m/s | 3.8 |
| 1993 | 10.0°C | 8.3°C | 6.7°C | 14.5°C | 3.9°C | 79 mm | 88% | 4.6 m/s | 3.4 |
| 1992 | 9.2°C | 7.6°C | 6.1°C | 12.2°C | 3.0°C | 73 mm | 86% | 5.7 m/s | 3.5 |
| 1991 | 9.1°C | 7.3°C | 5.4°C | 12.3°C | 2.7°C | 70 mm | 84% | 5.9 m/s | 3.5 |
| 1990 | 9.4°C | 7.4°C | 5.3°C | 16.9°C | 2.8°C | 40 mm | 84% | 5.1 m/s | 4.1 |
| 1989 | 7.8°C | 6.3°C | 4.8°C | 11.5°C | 2.2°C | 86 mm | 84% | 4.6 m/s | 3.4 |
| 1988 | 9.6°C | 7.5°C | 5.5°C | 12.3°C | 2.4°C | 46 mm | 86% | 3.8 m/s | 3.8 |
| 1987 | 10.5°C | 8.5°C | 6.5°C | 16.3°C | 2.9°C | 56 mm | 88% | 3.8 m/s | 3.5 |
| 1986 ❄️ | 6.8°C | 5.3°C | 3.8°C | 9.8°C | 0.8°C | 77 mm | 86% | 4.7 m/s | 3.6 |
| 1985 | 8.8°C | 7.2°C | 5.6°C | 13.3°C | 2.9°C | 85 mm | 87% | 5.2 m/s | 3.2 |
| 1984 | 9.4°C | 7.3°C | 5.2°C | 15.2°C | 1.3°C | 20 mm | 84% | 4.2 m/s | 4.4 |
| 1983 | 7.6°C | 6.1°C | 4.6°C | 10.7°C | 3.0°C | 77 mm | 85% | 4.3 m/s | — |
| 1982 | 9.4°C | 7.8°C | 6.2°C | 12.4°C | 3.0°C | 31 mm | 86% | 4 m/s | — |
| 1981 | 9.5°C | 7.5°C | 5.5°C | 13.3°C | 2.9°C | 50 mm | 86% | 4.5 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 9.7°C with lows near 6.2°C (mean 8°C), based on 45 years of NASA POWER data.
April averages 60 mm of rainfall in Conwy, one of the drier months. The wettest on record was 114 mm in 2012.
The hottest April reached 18.6°C in 2025. The coldest dipped to 0.4°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.6°C. Daytime highs moved from 8.9°C to 10.6°C and overnight lows from 5.4°C to 6.9°C over the same span.
April is one of the cooler months of the year in Conwy and one of the drier months, so plan for around 9.7°C daytime highs and 6.2°C at night.
Not quite — April is the 5th coolest month in Conwy, averaging 8°C.
For April in Conwy, pack warm layers and a jacket for chilly mornings, with typical highs of 9.7°C and lows of 6.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 85% — quite humid.
Average wind speed in April is 4.6 m/s. The windiest April on record averaged 5.9 m/s (1991).
The wettest April on record was 2012 with 114 mm. On average, April sees 60 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 Conwy 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.
