June is one of the warmer months of the year in Ruislip, with average highs near 20°C and lows around 9.9°C (mean 15°C). It is about average for rainfall, averaging 57 mm of rainfall and 78% relative humidity across the period.
June is one of the warmer months of the year in Ruislip. Across 45 years of records, the warmest June in Ruislip was 2025 — when the month averaged 18.1°C — while the coldest was 1991 at 12.6°C. Typical June days reach 20°C with nights near 9.9°C. The long-term trend is warming, about 0.5°C per decade.
June is about average for rainfall in Ruislip, averaging 57 mm of rainfall. The wettest June on record was 2012 with 140 mm, while the driest was 2018 at 7 mm.
Relative humidity in Ruislip during June averages 78%. The most humid June was 1998 at 84%, and the least humid was 2025 at 71%.
June receives about 5.3 kWh/m²/day of solar energy in Ruislip. The sunniest Junes were 2006 and 2018 at 6.1 kWh/m²/day, and the cloudiest was 2012 at 4.2.
Average wind speed in Ruislip during June is 3 m/s. The windiest June was 2012 at 3.9 m/s, while the calmest were 1993 and 2014 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.2°C | 14.4°C | 15.3°C | 15.2°C | 16.2°C | +2°C |
| Avg High | 19.0°C | 19.3°C | 20.3°C | 20.2°C | 21.6°C | +2.6°C |
| Avg Low | 9.3°C | 9.4°C | 10.3°C | 10.1°C | 10.7°C | +1.4°C |
| Avg Rain | 58 mm | 63 mm | 49 mm | 64 mm | 49 mm | -9 mm |
June temperatures in Ruislip have risen by about 2.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 1.4°C (1991) to a record high of 32.2°C (2025).
Rainfall in June is about average for rainfall, averaging 57 mm, with a wettest year of 140 mm.
One of the best times to visit Ruislip
June is one of the best times to visit Ruislip. Expect days averaging 20°C and nights around 9.9°C (mean 15°C) — warmer than Ruislip's yearly average — with moderate rainfall (57 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 🔥 | 24.0°C | 18.1°C | 12.2°C | 32.2°C | 7.4°C | 31 mm | 71% | 3.3 m/s | 5.9 |
| 2024 | 19.9°C | 14.5°C | 9.1°C | 27.3°C | 5.4°C | 21 mm | 77% | 2.7 m/s | 5.8 |
| 2023 | 23.1°C | 17.2°C | 11.4°C | 27.8°C | 6.4°C | 41 mm | 76% | 2.9 m/s | 6 |
| 2022 | 21.7°C | 16.0°C | 10.3°C | 29.8°C | 6.7°C | 46 mm | 71% | 3 m/s | 5.8 |
| 2021 | 20.7°C | 15.8°C | 10.8°C | 25.5°C | 6.7°C | 82 mm | 82% | 2.4 m/s | 5.1 |
| 2020 | 20.3°C | 15.3°C | 10.2°C | 29.6°C | 5.6°C | 71 mm | 75% | 3.2 m/s | 5.2 |
| 2019 | 19.7°C | 14.9°C | 10.1°C | 29.5°C | 6.9°C | 115 mm | 79% | 3.2 m/s | 4.8 |
| 2018 | 22.1°C | 16.3°C | 10.5°C | 27.1°C | 6.8°C | 7 mm | 75% | 2.7 m/s | 6.1 |
| 2017 | 22.3°C | 17.0°C | 11.7°C | 30.9°C | 7.5°C | 53 mm | 74% | 3.3 m/s | 5.5 |
| 2016 | 19.6°C | 15.2°C | 10.8°C | 23.8°C | 7.6°C | 119 mm | 84% | 2.7 m/s | 4.4 |
| 2015 | 20.2°C | 14.7°C | 9.1°C | 27.3°C | 4.8°C | 28 mm | 74% | 3.3 m/s | 5.7 |
| 2014 | 20.2°C | 15.3°C | 10.3°C | 23.4°C | 7.1°C | 40 mm | 77% | 2.3 m/s | 5.7 |
| 2013 | 18.8°C | 13.9°C | 9.1°C | 24.6°C | 4.7°C | 35 mm | 80% | 3.4 m/s | 5.2 |
| 2012 🌧️ | 18.1°C | 14.0°C | 9.9°C | 24.9°C | 6.3°C | 140 mm | 81% | 3.9 m/s | 4.2 |
| 2011 | 19.7°C | 14.6°C | 9.5°C | 27.9°C | 5.1°C | 71 mm | 76% | 3.4 m/s | 5.2 |
| 2010 | 21.2°C | 15.6°C | 10.0°C | 27.3°C | 5.1°C | 29 mm | 75% | 2.5 m/s | 5.9 |
| 2009 | 20.8°C | 15.5°C | 10.2°C | 29.4°C | 5.6°C | 37 mm | 73% | 2.4 m/s | 5.5 |
| 2008 | 19.5°C | 14.6°C | 9.8°C | 24.6°C | 6.9°C | 42 mm | 77% | 3 m/s | 5.5 |
| 2007 | 19.8°C | 15.5°C | 11.1°C | 23.6°C | 5.9°C | 98 mm | 82% | 2.8 m/s | 4.8 |
| 2006 | 22.4°C | 16.5°C | 10.7°C | 28.4°C | 5.5°C | 26 mm | 72% | 2.4 m/s | 6.1 |
| 2005 | 22.1°C | 16.4°C | 10.8°C | 29.8°C | 4.4°C | 38 mm | 74% | 2.8 m/s | 5.3 |
| 2004 | 20.4°C | 15.5°C | 10.7°C | 25.9°C | 6.6°C | 46 mm | 78% | 3.1 m/s | 5.5 |
| 2003 | 21.1°C | 15.9°C | 10.7°C | 25.4°C | 7.4°C | 85 mm | 79% | 2.7 m/s | 5.3 |
| 2002 | 18.9°C | 14.2°C | 9.6°C | 24.5°C | 6.3°C | 56 mm | 80% | 3 m/s | 4.9 |
| 2001 | 18.9°C | 13.9°C | 8.9°C | 27.7°C | 3.8°C | 26 mm | 78% | 2.7 m/s | 5.3 |
| 2000 | 19.5°C | 14.9°C | 10.3°C | 26.6°C | 6.1°C | 35 mm | 82% | 2.9 m/s | 4.5 |
| 1999 | 18.9°C | 13.9°C | 9.0°C | 24.4°C | 4.5°C | 71 mm | 78% | 2.7 m/s | 5.5 |
| 1998 | 18.1°C | 14.0°C | 10.0°C | 24.3°C | 5.7°C | 123 mm | 84% | 3.6 m/s | 4.5 |
| 1997 | 18.7°C | 14.4°C | 10.1°C | 24.0°C | 6.6°C | 126 mm | 79% | 3.5 m/s | 4.4 |
| 1996 | 20.5°C | 14.7°C | 8.9°C | 27.2°C | 5.0°C | 12 mm | 75% | 2.6 m/s | 6 |
| 1995 | 19.2°C | 13.7°C | 8.3°C | 29.8°C | 5.3°C | 25 mm | 78% | 3.1 m/s | 5.2 |
| 1994 | 19.6°C | 14.4°C | 9.1°C | 25.2°C | 5.2°C | 33 mm | 79% | 3.2 m/s | 5.9 |
| 1993 | 20.4°C | 15.4°C | 10.4°C | 25.1°C | 6.5°C | 60 mm | 79% | 2.3 m/s | 5.5 |
| 1992 | 21.9°C | 16.1°C | 10.4°C | 28.8°C | 6.3°C | 44 mm | 71% | 2.5 m/s | 5.3 |
| 1991 ❄️ | 17.0°C | 12.6°C | 8.1°C | 22.0°C | 1.4°C | 85 mm | 79% | 3.7 m/s | 4.5 |
| 1990 | 19.1°C | 14.3°C | 9.5°C | 25.5°C | 6.0°C | 50 mm | 75% | 3.2 m/s | 4.5 |
| 1989 | 20.7°C | 15.0°C | 9.3°C | 28.8°C | 3.2°C | 50 mm | 71% | 2.7 m/s | 5.4 |
| 1988 | 19.1°C | 14.4°C | 9.6°C | 22.9°C | 4.7°C | 34 mm | 81% | 2.9 m/s | 5.3 |
| 1987 | 17.6°C | 13.1°C | 8.6°C | 26.6°C | 4.4°C | 74 mm | 81% | 2.8 m/s | 4.6 |
| 1986 | 20.3°C | 14.8°C | 9.4°C | 28.0°C | 4.3°C | 26 mm | 78% | 3.3 m/s | 5.3 |
| 1985 | 17.3°C | 12.9°C | 8.4°C | 22.0°C | 3.7°C | 102 mm | 81% | 3.1 m/s | 4.8 |
| 1984 | 19.9°C | 14.7°C | 9.5°C | 25.2°C | 5.6°C | 36 mm | 76% | 2.6 m/s | 5.5 |
| 1983 | 18.9°C | 14.1°C | 9.2°C | 22.7°C | 5.5°C | 54 mm | 81% | 3 m/s | — |
| 1982 | 20.0°C | 15.6°C | 11.1°C | 25.6°C | 5.8°C | 100 mm | 81% | 2.7 m/s | — |
| 1981 | 17.6°C | 13.1°C | 8.6°C | 24.3°C | 5.8°C | 46 mm | 81% | 3.5 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 20°C with lows near 9.9°C (mean 15°C), based on 45 years of NASA POWER data.
June averages 57 mm of rainfall in Ruislip, about average for rainfall. The wettest on record was 140 mm in 2012.
The hottest June reached 32.2°C in 2025. The coldest dipped to 1.4°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.2°C. Daytime highs moved from 18.7°C to 21.9°C and overnight lows from 9.4°C to 10.8°C over the same span.
June is one of the warmer months of the year in Ruislip and about average for rainfall, so plan for around 20°C daytime highs and 9.9°C at night.
Not quite — June is the 10th coolest month in Ruislip, averaging 15°C.
For June in Ruislip, pack light layers you can adjust through the day, with typical highs of 20°C and lows of 9.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 78% — quite humid.
Average wind speed in June is 3 m/s. The windiest June on record averaged 3.9 m/s (2012).
The wettest June on record was 2012 with 140 mm. On average, June 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 Ruislip 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.
