June is one of the warmer months of the year in Plymouth, with average highs near 21.1°C and lows around 14.3°C (mean 17.7°C). It is about average for rainfall, averaging 93 mm of rainfall and 82% relative humidity across the period.
June is one of the warmer months of the year in Plymouth. Across 45 years of records, the warmest June in Plymouth was 2021 — when the month averaged 19.8°C — while the coldest was 1982 at 15.2°C. Typical June days reach 21.1°C with nights near 14.3°C. The long-term trend is warming, about 0.4°C per decade.
June is about average for rainfall in Plymouth, averaging 93 mm of rainfall. The wettest June on record was 2006 with 269 mm, while the driest was 1999 at 14 mm.
Relative humidity in Plymouth during June averages 82%. The most humid June was 2006 at 88%, and the least humid was 1999 at 75%.
June receives about 6 kWh/m²/day of solar energy in Plymouth. The sunniest June was 2016 at 6.8 kWh/m²/day, and the cloudiest was 2009 at 4.7.
Average wind speed in Plymouth during June is 2 m/s. The windiest June was 1986 at 2.4 m/s, while the calmest was 1983 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.0°C | 17.4°C | 17.5°C | 18.0°C | 18.9°C | +1.9°C |
| Avg High | 20.5°C | 21.0°C | 21.0°C | 21.2°C | 22.3°C | +1.8°C |
| Avg Low | 13.5°C | 13.9°C | 14.1°C | 14.7°C | 15.5°C | +2°C |
| Avg Rain | 107 mm | 74 mm | 102 mm | 104 mm | 71 mm | -36 mm |
June temperatures in Plymouth have risen by about 1.9°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 7.5°C (1982) to a record high of 33.1°C (2025).
Rainfall in June is about average for rainfall, averaging 93 mm, with a wettest year of 269 mm.
One of the best times to visit Plymouth
June is one of the best times to visit Plymouth. Expect days averaging 21.1°C and nights around 14.3°C (mean 17.7°C) — warmer than Plymouth's yearly average — with higher rainfall (93 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 | 22.5°C | 19.0°C | 15.5°C | 33.1°C | 10.3°C | 38 mm | 81% | 1.9 m/s | 5.9 |
| 2024 | 23.0°C | 19.6°C | 16.2°C | 28.1°C | 12.9°C | 68 mm | 82% | 2.1 m/s | 6.6 |
| 2023 | 20.4°C | 17.5°C | 14.5°C | 25.8°C | 8.5°C | 115 mm | 85% | 2 m/s | 5.7 |
| 2022 | 22.2°C | 18.6°C | 15.0°C | 29.0°C | 11.8°C | 81 mm | 77% | 1.9 m/s | 6.4 |
| 2021 🔥 | 23.4°C | 19.8°C | 16.1°C | 30.9°C | 11.3°C | 55 mm | 80% | 2.1 m/s | 6.6 |
| 2020 | 22.4°C | 19.0°C | 15.6°C | 27.3°C | 8.1°C | 70 mm | 82% | 1.9 m/s | 6.2 |
| 2019 | 20.8°C | 17.6°C | 14.4°C | 26.7°C | 9.5°C | 138 mm | 84% | 2 m/s | 5.8 |
| 2018 | 20.7°C | 17.4°C | 14.1°C | 28.5°C | 9.6°C | 83 mm | 82% | 2.1 m/s | 6 |
| 2017 | 21.0°C | 17.7°C | 14.4°C | 27.3°C | 9.4°C | 94 mm | 82% | 2.3 m/s | 6.2 |
| 2016 | 21.6°C | 18.2°C | 14.7°C | 26.4°C | 11.2°C | 36 mm | 77% | 2.1 m/s | 6.8 |
| 2015 | 19.9°C | 16.9°C | 13.9°C | 24.8°C | 8.5°C | 116 mm | 82% | 2.1 m/s | 5.7 |
| 2014 | 21.8°C | 18.2°C | 14.7°C | 25.5°C | 9.6°C | 60 mm | 80% | 2 m/s | 6.5 |
| 2013 | 21.6°C | 18.6°C | 15.6°C | 27.1°C | 11.8°C | 236 mm | 85% | 2.2 m/s | 5.8 |
| 2012 | 21.0°C | 17.8°C | 14.6°C | 31.3°C | 10.3°C | 101 mm | 81% | 2.2 m/s | 6.1 |
| 2011 | 20.7°C | 17.6°C | 14.5°C | 26.9°C | 9.6°C | 106 mm | 83% | 1.9 m/s | 5.8 |
| 2010 | 22.9°C | 19.5°C | 16.0°C | 28.4°C | 11.9°C | 73 mm | 82% | 2 m/s | 5.9 |
| 2009 | 19.1°C | 16.2°C | 13.3°C | 23.5°C | 7.6°C | 105 mm | 86% | 2 m/s | 4.7 |
| 2008 | 22.7°C | 19.2°C | 15.7°C | 29.0°C | 11.4°C | 70 mm | 82% | 1.8 m/s | 6.1 |
| 2007 | 20.8°C | 17.5°C | 14.1°C | 27.4°C | 9.8°C | 56 mm | 83% | 2.1 m/s | 6 |
| 2006 🌧️ | 21.0°C | 17.9°C | 14.8°C | 25.9°C | 10.8°C | 269 mm | 88% | 2 m/s | 5 |
| 2005 | 21.2°C | 17.5°C | 13.8°C | 27.4°C | 8.6°C | 26 mm | 86% | 1.9 m/s | 5.9 |
| 2004 | 20.8°C | 17.1°C | 13.4°C | 25.6°C | 9.9°C | 51 mm | 80% | 2 m/s | 6.1 |
| 2003 | 19.4°C | 16.2°C | 13.0°C | 29.0°C | 8.6°C | 141 mm | 86% | 1.8 m/s | 5 |
| 2002 | 20.7°C | 17.0°C | 13.2°C | 27.7°C | 9.0°C | 83 mm | 80% | 2.2 m/s | 6 |
| 2001 | 23.1°C | 19.4°C | 15.7°C | 28.3°C | 8.2°C | 112 mm | 80% | 1.8 m/s | 6.5 |
| 2000 | 21.0°C | 17.5°C | 14.1°C | 26.4°C | 7.7°C | 112 mm | 83% | 2.1 m/s | 5.6 |
| 1999 | 22.9°C | 19.1°C | 15.4°C | 29.9°C | 11.2°C | 14 mm | 75% | 2 m/s | 6.3 |
| 1998 | 19.8°C | 16.6°C | 13.3°C | 26.0°C | 8.0°C | 251 mm | 85% | 2.1 m/s | 5.5 |
| 1997 | 20.6°C | 17.1°C | 13.6°C | 27.5°C | 8.9°C | 41 mm | 81% | 2 m/s | 6.4 |
| 1996 | 21.3°C | 17.9°C | 14.5°C | 25.2°C | 10.0°C | 44 mm | 83% | 2 m/s | 5.5 |
| 1995 | 20.5°C | 16.9°C | 13.3°C | 26.2°C | 10.7°C | 67 mm | 80% | 1.9 m/s | 5.8 |
| 1994 | 21.6°C | 18.1°C | 14.6°C | 27.3°C | 8.8°C | 65 mm | 84% | 2.1 m/s | 5.7 |
| 1993 | 21.1°C | 17.3°C | 13.5°C | 25.0°C | 8.4°C | 44 mm | 80% | 2 m/s | 6 |
| 1992 | 20.7°C | 16.9°C | 13.2°C | 24.0°C | 8.9°C | 116 mm | 81% | 2.1 m/s | 6.6 |
| 1991 | 21.4°C | 17.8°C | 14.2°C | 28.6°C | 10.2°C | 56 mm | 78% | 2.1 m/s | 5.8 |
| 1990 | 19.8°C | 16.6°C | 13.5°C | 24.2°C | 9.6°C | 42 mm | 84% | 2.1 m/s | 5.6 |
| 1989 | 20.9°C | 17.7°C | 14.6°C | 26.7°C | 12.2°C | 101 mm | 85% | 1.8 m/s | 5.6 |
| 1988 | 20.4°C | 16.7°C | 12.9°C | 27.3°C | 7.6°C | 43 mm | 78% | 2.1 m/s | 6.4 |
| 1987 | 20.8°C | 17.5°C | 14.1°C | 25.5°C | 9.7°C | 53 mm | 83% | 2 m/s | 5.8 |
| 1986 | 19.5°C | 16.0°C | 12.5°C | 24.0°C | 7.5°C | 132 mm | 81% | 2.4 m/s | 6.5 |
| 1985 | 19.5°C | 16.0°C | 12.6°C | 24.8°C | 9.9°C | 116 mm | 79% | 2.2 m/s | 6.3 |
| 1984 | 21.4°C | 18.1°C | 14.8°C | 27.7°C | 9.5°C | 130 mm | 85% | 2.1 m/s | 5.6 |
| 1983 | 21.4°C | 17.7°C | 13.9°C | 26.5°C | 10.1°C | 56 mm | 83% | 1.6 m/s | — |
| 1982 ❄️ | 18.3°C | 15.2°C | 12.1°C | 23.4°C | 7.5°C | 230 mm | 85% | 2.3 m/s | — |
| 1981 | 21.9°C | 18.1°C | 14.4°C | 27.5°C | 10.6°C | 105 mm | 78% | 2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 21.1°C with lows near 14.3°C (mean 17.7°C), based on 45 years of NASA POWER data.
June averages 93 mm of rainfall in Plymouth, about average for rainfall. The wettest on record was 269 mm in 2006.
The hottest June reached 33.1°C in 2025. The coldest dipped to 7.5°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.9°C. Daytime highs moved from 20.5°C to 22.3°C and overnight lows from 13.6°C to 15.5°C over the same span.
June is one of the warmer months of the year in Plymouth and about average for rainfall, so plan for around 21.1°C daytime highs and 14.3°C at night.
Not quite — June is the 9th coolest month in Plymouth, averaging 17.7°C.
For June in Plymouth, pack light layers you can adjust through the day, with typical highs of 21.1°C and lows of 14.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 82% — quite humid.
Average wind speed in June is 2 m/s. The windiest June on record averaged 2.4 m/s (1986).
The wettest June on record was 2006 with 269 mm. On average, June 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 Plymouth 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.
