June is one of the warmer months of the year in Clarington, with average highs near 23.1°C and lows around 12.6°C (mean 17.9°C). It is about average for rainfall, averaging 64 mm of rainfall and 70% relative humidity across the period.
June is one of the warmer months of the year in Clarington. Across 45 years of records, the warmest June in Clarington was 2005 — when the month averaged 21.4°C — while the coldest was 1982 at 15°C. Typical June days reach 23.1°C with nights near 12.6°C. The long-term trend is warming, about 0.4°C per decade.
June is about average for rainfall in Clarington, averaging 64 mm of rainfall. The wettest June on record was 2000 with 159 mm, while the driest was 1991 at 19 mm.
Relative humidity in Clarington during June averages 70%. The most humid June was 2000 at 82%, and the least humid was 1988 at 54%.
June receives about 5.8 kWh/m²/day of solar energy in Clarington. The sunniest June was 2020 at 7.2 kWh/m²/day, and the cloudiest was 2000 at 4.7.
Average wind speed in Clarington during June is 2.9 m/s. The windiest June was 1988 at 3.6 m/s, while the calmest was 2009 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.2°C | 17.9°C | 17.5°C | 17.9°C | 19.3°C | +2.1°C |
| Avg High | 22.7°C | 23.4°C | 22.5°C | 23.0°C | 24.6°C | +1.9°C |
| Avg Low | 11.6°C | 12.5°C | 12.6°C | 12.9°C | 13.9°C | +2.3°C |
| Avg Rain | 59 mm | 64 mm | 71 mm | 72 mm | 47 mm | -13 mm |
June temperatures in Clarington have risen by about 2.7°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 3°C (1983) to a record high of 35.7°C (1995).
Rainfall in June is about average for rainfall, averaging 64 mm, with a wettest year of 159 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Clarington
June is one of the best times to visit Clarington. Expect days averaging 23.1°C and nights around 12.6°C (mean 17.9°C) — warmer than Clarington's yearly average — with moderate rainfall (64 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 | 24.5°C | 19.3°C | 14.0°C | 32.9°C | 4.9°C | 26 mm | 69% | 3.1 m/s | 5.9 |
| 2024 | 24.3°C | 19.4°C | 14.5°C | 30.5°C | 9.6°C | 65 mm | 70% | 3 m/s | 5.6 |
| 2023 | 24.1°C | 19.1°C | 14.1°C | 30.9°C | 10.2°C | 52 mm | 66% | 2.7 m/s | 5.5 |
| 2022 | 23.8°C | 18.1°C | 12.3°C | 31.0°C | 7.3°C | 65 mm | 65% | 3.1 m/s | 6.4 |
| 2021 | 25.7°C | 20.4°C | 15.1°C | 30.4°C | 9.7°C | 35 mm | 63% | 3.3 m/s | 6.2 |
| 2020 | 25.4°C | 19.6°C | 13.7°C | 31.1°C | 5.6°C | 37 mm | 62% | 2.8 m/s | 7.2 |
| 2019 | 21.0°C | 16.2°C | 11.3°C | 27.9°C | 4.2°C | 69 mm | 73% | 2.8 m/s | 6 |
| 2018 | 23.5°C | 18.3°C | 13.1°C | 31.6°C | 7.9°C | 59 mm | 69% | 2.8 m/s | 6 |
| 2017 | 21.9°C | 17.4°C | 12.8°C | 27.3°C | 6.2°C | 94 mm | 78% | 2.9 m/s | 5.6 |
| 2016 | 24.4°C | 18.6°C | 12.9°C | 31.3°C | 6.6°C | 35 mm | 62% | 3.2 m/s | 6.7 |
| 2015 | 21.8°C | 16.8°C | 11.7°C | 26.6°C | 6.0°C | 111 mm | 74% | 2.8 m/s | 5.5 |
| 2014 | 23.5°C | 18.1°C | 12.6°C | 27.9°C | 7.1°C | 59 mm | 73% | 2.6 m/s | 5.9 |
| 2013 | 22.5°C | 17.8°C | 13.1°C | 29.7°C | 6.3°C | 80 mm | 72% | 2.7 m/s | 5.5 |
| 2012 | 24.8°C | 19.6°C | 14.5°C | 32.6°C | 8.1°C | 66 mm | 68% | 3.2 m/s | 6.1 |
| 2011 | 22.8°C | 17.9°C | 13.0°C | 27.3°C | 6.0°C | 48 mm | 73% | 3 m/s | 5.9 |
| 2010 | 23.3°C | 18.5°C | 13.7°C | 28.1°C | 7.7°C | 101 mm | 72% | 3.2 m/s | 5.4 |
| 2009 | 21.0°C | 16.2°C | 11.5°C | 29.6°C | 4.5°C | 57 mm | 76% | 2.4 m/s | 5.6 |
| 2008 | 22.1°C | 17.6°C | 13.2°C | 27.2°C | 7.1°C | 86 mm | 82% | 2.8 m/s | 5.6 |
| 2007 | 24.4°C | 19.0°C | 13.5°C | 31.9°C | 5.1°C | 41 mm | 67% | 2.7 m/s | 6.6 |
| 2006 | 23.9°C | 18.9°C | 13.9°C | 30.9°C | 6.4°C | 66 mm | 69% | 2.8 m/s | 5.7 |
| 2005 🔥 | 26.6°C | 21.4°C | 16.3°C | 33.2°C | 11.6°C | 38 mm | 69% | 2.5 m/s | 6 |
| 2004 | 20.5°C | 15.5°C | 10.6°C | 25.4°C | 5.5°C | 69 mm | 78% | 2.7 m/s | 5.9 |
| 2003 | 21.4°C | 16.1°C | 10.9°C | 31.1°C | 4.6°C | 65 mm | 76% | 3 m/s | 5.7 |
| 2002 | 21.1°C | 16.7°C | 12.2°C | 28.5°C | 4.7°C | 71 mm | 80% | 2.5 m/s | 5.5 |
| 2001 | 23.1°C | 17.7°C | 12.4°C | 29.5°C | 6.6°C | 54 mm | 73% | 2.6 m/s | 5.7 |
| 2000 🌧️ | 20.8°C | 16.2°C | 11.5°C | 26.4°C | 6.9°C | 159 mm | 82% | 3 m/s | 4.7 |
| 1999 | 24.4°C | 19.1°C | 13.9°C | 30.6°C | 8.4°C | 65 mm | 66% | 2.6 m/s | 6 |
| 1998 | 23.3°C | 18.2°C | 13.2°C | 29.7°C | 4.6°C | 99 mm | 71% | 2.9 m/s | 5.6 |
| 1997 | 24.2°C | 18.5°C | 12.8°C | 28.8°C | 7.4°C | 77 mm | 70% | 2.6 m/s | 6.1 |
| 1996 | 21.8°C | 17.2°C | 12.5°C | 28.1°C | 7.5°C | 67 mm | 78% | 2.6 m/s | 4.9 |
| 1995 | 25.5°C | 19.7°C | 14.0°C | 35.7°C | 8.1°C | 30 mm | 64% | 2.5 m/s | 5.8 |
| 1994 | 23.4°C | 17.6°C | 11.8°C | 33.9°C | 4.3°C | 76 mm | 70% | 3 m/s | 5.5 |
| 1993 | 21.2°C | 15.9°C | 10.6°C | 25.7°C | 4.1°C | 110 mm | 74% | 2.9 m/s | 5.5 |
| 1992 | 22.0°C | 16.3°C | 10.7°C | 28.0°C | 5.2°C | 41 mm | 64% | 2.8 m/s | 5.8 |
| 1991 | 25.4°C | 19.5°C | 13.6°C | 30.9°C | 6.2°C | 19 mm | 63% | 2.8 m/s | 6.3 |
| 1990 | 22.6°C | 17.3°C | 11.9°C | 29.5°C | 4.5°C | 58 mm | 71% | 3.3 m/s | 5.5 |
| 1989 | 22.7°C | 17.9°C | 13.0°C | 30.0°C | 8.5°C | 105 mm | 73% | 2.7 m/s | 5.3 |
| 1988 | 24.1°C | 17.5°C | 10.9°C | 33.1°C | 4.8°C | 20 mm | 54% | 3.6 m/s | 6.3 |
| 1987 | 25.7°C | 19.9°C | 14.0°C | 31.6°C | 7.4°C | 51 mm | 61% | 3 m/s | 5.7 |
| 1986 | 22.0°C | 16.3°C | 10.6°C | 27.6°C | 5.7°C | 65 mm | 65% | 3.4 m/s | 5.9 |
| 1985 | 20.8°C | 15.4°C | 9.9°C | 26.2°C | 4.9°C | 47 mm | 69% | 3.3 m/s | 6.3 |
| 1984 | 22.8°C | 17.3°C | 11.8°C | 26.9°C | 6.2°C | 52 mm | 71% | 3.1 m/s | 5.2 |
| 1983 | 23.4°C | 17.8°C | 12.1°C | 30.1°C | 3.0°C | 30 mm | 70% | 2.5 m/s | — |
| 1982 ❄️ | 19.8°C | 15.0°C | 10.2°C | 25.8°C | 5.8°C | 86 mm | 75% | 2.7 m/s | — |
| 1981 | 22.9°C | 17.5°C | 12.2°C | 29.7°C | 4.4°C | 75 mm | 72% | 3.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 23.1°C with lows near 12.6°C (mean 17.9°C), based on 45 years of NASA POWER data.
June averages 64 mm of rainfall in Clarington, about average for rainfall. The wettest on record was 159 mm in 2000.
The hottest June reached 35.7°C in 1995. The coldest dipped to 3°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.7°C. Daytime highs moved from 21.9°C to 24.5°C and overnight lows from 11.2°C to 14°C over the same span.
June is one of the warmer months of the year in Clarington and about average for rainfall, so plan for around 23.1°C daytime highs and 12.6°C at night.
Not quite — June is the 10th coolest month in Clarington, averaging 17.9°C.
For June in Clarington, pack light layers you can adjust through the day, with typical highs of 23.1°C and lows of 12.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 70% — moderately humid.
Average wind speed in June is 2.9 m/s. The windiest June on record averaged 3.6 m/s (1988).
The wettest June on record was 2000 with 159 mm. On average, June sees 64 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 Clarington 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.
