June is one of the warmer months of the year in Chester, with average highs near 18.6°C and lows around 10°C (mean 14.3°C). It is about average for rainfall, averaging 96 mm of rainfall and 84% relative humidity across the period.
June is one of the warmer months of the year in Chester. Across 45 years of records, the warmest June in Chester was 2021 — when the month averaged 16.4°C — while the coldest were 1986 and 2004 at 12.7°C. Typical June days reach 18.6°C with nights near 10°C. The long-term June temperature trend is broadly flat.
June is about average for rainfall in Chester, averaging 96 mm of rainfall. The wettest June on record was 2023 with 230 mm, while the driest was 1999 at 23 mm.
Relative humidity in Chester during June averages 84%. The most humid June was 2006 at 91%, and the least humid was 1991 at 80%.
June receives about 5.6 kWh/m²/day of solar energy in Chester. The sunniest June was 2021 at 6.4 kWh/m²/day, and the cloudiest was 2006 at 4.2.
Average wind speed in Chester during June is 0.8 m/s. The windiest Junes were 2012, 2015 and 2018, among others at 1 m/s, while the calmest were 1983 and 1996 at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.0°C | 14.5°C | 14.2°C | 14.1°C | 15.3°C | +1.3°C |
| Avg High | 18.3°C | 19.1°C | 18.4°C | 18.2°C | 19.5°C | +1.2°C |
| Avg Low | 9.7°C | 9.9°C | 9.9°C | 10.0°C | 11.0°C | +1.3°C |
| Avg Rain | 103 mm | 74 mm | 88 mm | 119 mm | 95 mm | -7 mm |
June temperatures in Chester have risen by about 1.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.3°C (2018) to a record high of 28.9°C (1997).
Rainfall in June is about average for rainfall, averaging 96 mm, with a wettest year of 230 mm.
One of the best times to visit Chester
June is one of the best times to visit Chester. Expect days averaging 18.6°C and nights around 10°C (mean 14.3°C) — warmer than Chester's yearly average — with higher rainfall (96 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 19.6°C | 15.0°C | 10.4°C | 28.2°C | 7.0°C | 61 mm | 83% | 0.8 m/s | 5.9 |
| 2024 | 20.0°C | 15.9°C | 11.8°C | 28.0°C | 6.5°C | 81 mm | 85% | 0.8 m/s | 5.4 |
| 2023 🌧️ | 18.0°C | 14.1°C | 10.2°C | 25.8°C | 6.8°C | 230 mm | 89% | 0.8 m/s | 4.4 |
| 2022 | 18.9°C | 14.8°C | 10.6°C | 24.1°C | 5.2°C | 99 mm | 85% | 0.8 m/s | 5.8 |
| 2021 🔥 | 21.0°C | 16.4°C | 11.8°C | 28.2°C | 6.5°C | 60 mm | 83% | 0.8 m/s | 6.4 |
| 2020 | 19.6°C | 15.3°C | 11.0°C | 27.8°C | 5.9°C | 40 mm | 85% | 0.8 m/s | 5.5 |
| 2019 | 17.9°C | 13.7°C | 9.5°C | 22.9°C | 6.0°C | 149 mm | 85% | 0.8 m/s | 5.3 |
| 2018 | 17.8°C | 13.1°C | 8.4°C | 26.9°C | 0.3°C | 134 mm | 81% | 1 m/s | 6.2 |
| 2017 | 18.8°C | 14.6°C | 10.4°C | 26.1°C | 5.3°C | 109 mm | 85% | 0.9 m/s | 5.8 |
| 2016 | 17.8°C | 13.7°C | 9.7°C | 23.3°C | 6.4°C | 52 mm | 84% | 0.9 m/s | 6.1 |
| 2015 | 16.5°C | 12.9°C | 9.2°C | 21.1°C | 5.0°C | 208 mm | 85% | 1 m/s | 5.7 |
| 2014 | 19.1°C | 14.7°C | 10.3°C | 25.5°C | 6.4°C | 82 mm | 84% | 0.8 m/s | 5.8 |
| 2013 | 19.2°C | 15.0°C | 10.9°C | 27.5°C | 6.8°C | 163 mm | 87% | 0.8 m/s | 5 |
| 2012 | 18.0°C | 14.3°C | 10.6°C | 26.3°C | 7.3°C | 86 mm | 86% | 1 m/s | 5.5 |
| 2011 | 17.6°C | 13.8°C | 10.0°C | 23.7°C | 8.0°C | 93 mm | 86% | 0.8 m/s | 5.1 |
| 2010 | 19.1°C | 15.0°C | 10.9°C | 24.4°C | 8.1°C | 119 mm | 85% | 0.8 m/s | 5.3 |
| 2009 | 18.1°C | 14.3°C | 10.5°C | 23.6°C | 6.6°C | 72 mm | 86% | 0.8 m/s | 5 |
| 2008 | 19.0°C | 14.7°C | 10.3°C | 25.3°C | 5.7°C | 44 mm | 86% | 0.8 m/s | 5.5 |
| 2007 | 18.0°C | 14.0°C | 9.9°C | 25.8°C | 7.0°C | 85 mm | 86% | 0.9 m/s | 5.3 |
| 2006 | 18.4°C | 14.8°C | 11.2°C | 22.6°C | 8.3°C | 217 mm | 91% | 0.8 m/s | 4.2 |
| 2005 | 19.2°C | 14.3°C | 9.3°C | 27.8°C | 4.2°C | 119 mm | 86% | 0.8 m/s | 5.5 |
| 2004 | 17.0°C | 12.7°C | 8.5°C | 22.5°C | 4.2°C | 44 mm | 82% | 0.8 m/s | 6.1 |
| 2003 | 18.7°C | 14.2°C | 9.8°C | 25.9°C | 5.3°C | 119 mm | 85% | 0.8 m/s | 5.6 |
| 2002 | 16.9°C | 12.8°C | 8.7°C | 22.8°C | 3.3°C | 43 mm | 83% | 0.8 m/s | 5.3 |
| 2001 | 20.0°C | 15.7°C | 11.3°C | 27.1°C | 6.8°C | 57 mm | 84% | 0.8 m/s | 5.9 |
| 2000 | 18.9°C | 14.4°C | 9.9°C | 24.7°C | 3.8°C | 81 mm | 83% | 0.8 m/s | 5.6 |
| 1999 | 21.0°C | 16.3°C | 11.7°C | 26.9°C | 6.8°C | 23 mm | 81% | 0.8 m/s | 6 |
| 1998 | 17.9°C | 13.9°C | 9.9°C | 25.2°C | 5.9°C | 99 mm | 85% | 0.9 m/s | 5 |
| 1997 | 18.9°C | 14.0°C | 9.0°C | 28.9°C | 3.6°C | 46 mm | 82% | 0.8 m/s | 5.8 |
| 1996 | 18.6°C | 14.0°C | 9.3°C | 23.5°C | 4.7°C | 84 mm | 83% | 0.7 m/s | 5.9 |
| 1995 | 19.5°C | 14.6°C | 9.7°C | 25.2°C | 6.5°C | 86 mm | 82% | 0.8 m/s | 5.9 |
| 1994 | 20.1°C | 15.6°C | 11.1°C | 24.7°C | 6.5°C | 76 mm | 84% | 0.8 m/s | 6 |
| 1993 | 17.8°C | 13.4°C | 9.0°C | 25.0°C | 4.9°C | 109 mm | 84% | 0.9 m/s | 5 |
| 1992 | 19.1°C | 14.4°C | 9.7°C | 22.9°C | 6.4°C | 82 mm | 82% | 0.8 m/s | 5.9 |
| 1991 | 19.0°C | 14.2°C | 9.4°C | 25.5°C | 5.7°C | 36 mm | 80% | 0.8 m/s | 6.1 |
| 1990 | 19.5°C | 14.9°C | 10.4°C | 22.9°C | 6.3°C | 99 mm | 85% | 0.8 m/s | 5.5 |
| 1989 | 19.6°C | 15.4°C | 11.3°C | 24.6°C | 7.9°C | 116 mm | 84% | 0.8 m/s | 5.4 |
| 1988 | 17.5°C | 13.0°C | 8.6°C | 26.7°C | 4.2°C | 76 mm | 83% | 0.8 m/s | 6.2 |
| 1987 | 18.6°C | 14.2°C | 9.8°C | 24.9°C | 6.4°C | 104 mm | 83% | 0.8 m/s | 5.8 |
| 1986 ❄️ | 16.9°C | 12.7°C | 8.4°C | 22.1°C | 5.1°C | 114 mm | 83% | 1 m/s | 5.4 |
| 1985 | 17.5°C | 13.4°C | 9.4°C | 21.4°C | 6.6°C | 189 mm | 86% | 0.9 m/s | 5.2 |
| 1984 | 18.6°C | 14.3°C | 9.9°C | 26.0°C | 2.5°C | 67 mm | 84% | 0.9 m/s | 5.6 |
| 1983 | 19.6°C | 15.2°C | 10.7°C | 27.8°C | 7.4°C | 54 mm | 84% | 0.7 m/s | — |
| 1982 | 16.9°C | 12.9°C | 8.8°C | 21.1°C | 3.7°C | 137 mm | 84% | 0.9 m/s | — |
| 1981 | 19.2°C | 14.6°C | 10.0°C | 27.3°C | 6.3°C | 65 mm | 81% | 0.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 18.6°C with lows near 10°C (mean 14.3°C), based on 45 years of NASA POWER data.
June averages 96 mm of rainfall in Chester, about average for rainfall. The wettest on record was 230 mm in 2023.
The hottest June reached 28.9°C in 1997. The coldest dipped to 0.3°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.1°C. Daytime highs moved from 18.4°C to 19.5°C and overnight lows from 9.8°C to 11°C over the same span.
June is one of the warmer months of the year in Chester and about average for rainfall, so plan for around 18.6°C daytime highs and 10°C at night.
Not quite — June is the 9th coolest month in Chester, averaging 14.3°C.
For June in Chester, pack light layers you can adjust through the day, with typical highs of 18.6°C and lows of 10°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 84% — quite humid.
Average wind speed in June is 0.8 m/s. The windiest June on record averaged 1 m/s (1986).
The wettest June on record was 2023 with 230 mm. On average, June sees 96 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 Chester behaves each June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
