June is one of the warmer months of the year in Caledon, with average highs near 23.6°C and lows around 11.5°C (mean 17.6°C). It is about average for rainfall, averaging 69 mm of rainfall and 70% relative humidity across the period.
June is one of the warmer months of the year in Caledon. Across 45 years of records, the warmest June in Caledon was 2005 — when the month averaged 21.1°C — while the coldest was 1985 at 14.3°C. Typical June days reach 23.6°C with nights near 11.5°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Caledon, averaging 69 mm of rainfall. The wettest June on record was 2000 with 145 mm, while the driest was 1988 at 22 mm.
Relative humidity in Caledon during June averages 70%. The most humid June was 2000 at 81%, and the least humid was 1988 at 51%.
June receives about 6 kWh/m²/day of solar energy in Caledon. The sunniest June was 2020 at 7.2 kWh/m²/day, and the cloudiest was 1996 at 5.
Average wind speed in Caledon during June is 2.4 m/s. The windiest June was 1988 at 3.2 m/s, while the calmest were 1983 and 2009 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.0°C | 18.0°C | 17.3°C | 17.2°C | 18.6°C | +1.6°C |
| Avg High | 23.3°C | 24.3°C | 23.1°C | 23.0°C | 24.6°C | +1.3°C |
| Avg Low | 10.7°C | 11.7°C | 11.5°C | 11.3°C | 12.6°C | +1.9°C |
| Avg Rain | 54 mm | 64 mm | 69 mm | 85 mm | 70 mm | +17 mm |
June temperatures in Caledon have risen by about 2.4°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.9°C (1983) to a record high of 36.5°C (1995).
Rainfall in June is about average for rainfall, averaging 69 mm, with a wettest year of 145 mm.
One of the best times to visit Caledon
June is one of the best times to visit Caledon. Expect days averaging 23.6°C and nights around 11.5°C (mean 17.6°C) — warmer than Caledon's yearly average — with moderate rainfall (69 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 | 24.9°C | 18.8°C | 12.7°C | 33.0°C | 3.6°C | 48 mm | 71% | 2.5 m/s | 6 |
| 2024 | 24.2°C | 18.7°C | 13.2°C | 31.0°C | 7.8°C | 74 mm | 73% | 2.5 m/s | 5.6 |
| 2023 | 23.3°C | 17.7°C | 12.0°C | 30.6°C | 8.0°C | 106 mm | 70% | 2.1 m/s | 5.7 |
| 2022 | 23.6°C | 17.1°C | 10.5°C | 31.4°C | 4.2°C | 71 mm | 69% | 2.5 m/s | 6.5 |
| 2021 | 26.2°C | 20.4°C | 14.6°C | 31.5°C | 8.1°C | 67 mm | 65% | 2.6 m/s | 6.2 |
| 2020 | 25.5°C | 19.0°C | 12.5°C | 32.3°C | 5.2°C | 57 mm | 63% | 2.3 m/s | 7.2 |
| 2019 | 21.3°C | 15.6°C | 9.8°C | 28.5°C | 3.1°C | 67 mm | 76% | 2.3 m/s | 6.1 |
| 2018 | 24.1°C | 17.9°C | 11.7°C | 32.4°C | 6.2°C | 59 mm | 70% | 2.3 m/s | 6 |
| 2017 | 22.1°C | 16.9°C | 11.8°C | 27.8°C | 4.5°C | 121 mm | 79% | 2.4 m/s | 5.9 |
| 2016 | 24.3°C | 17.7°C | 11.1°C | 31.3°C | 4.3°C | 42 mm | 65% | 2.6 m/s | 6.9 |
| 2015 | 22.2°C | 16.3°C | 10.3°C | 26.8°C | 3.4°C | 125 mm | 76% | 2.3 m/s | 5.8 |
| 2014 | 24.0°C | 17.6°C | 11.2°C | 28.7°C | 6.1°C | 67 mm | 74% | 2.2 m/s | 6.1 |
| 2013 | 22.0°C | 16.8°C | 11.6°C | 28.8°C | 3.9°C | 88 mm | 77% | 2.2 m/s | 5.7 |
| 2012 | 24.8°C | 18.8°C | 12.8°C | 32.7°C | 6.7°C | 83 mm | 69% | 2.7 m/s | 6.2 |
| 2011 | 22.0°C | 16.4°C | 10.9°C | 27.2°C | 4.0°C | 70 mm | 78% | 2.4 m/s | 6.1 |
| 2010 | 23.2°C | 17.7°C | 12.2°C | 29.8°C | 5.5°C | 131 mm | 74% | 2.5 m/s | 5.6 |
| 2009 | 21.5°C | 15.8°C | 10.1°C | 30.4°C | 2.1°C | 73 mm | 76% | 2 m/s | 5.8 |
| 2008 | 22.7°C | 17.6°C | 12.5°C | 29.4°C | 5.7°C | 86 mm | 80% | 2.4 m/s | 5.6 |
| 2007 | 25.3°C | 18.8°C | 12.2°C | 33.8°C | 2.5°C | 33 mm | 64% | 2.3 m/s | 6.9 |
| 2006 | 23.5°C | 17.7°C | 12.0°C | 31.4°C | 4.6°C | 54 mm | 69% | 2.3 m/s | 5.9 |
| 2005 🔥 | 27.1°C | 21.1°C | 15.1°C | 34.4°C | 9.4°C | 41 mm | 68% | 2.1 m/s | 6.2 |
| 2004 | 21.1°C | 15.3°C | 9.4°C | 27.7°C | 3.2°C | 59 mm | 76% | 2.3 m/s | 6.1 |
| 2003 | 22.0°C | 15.9°C | 9.8°C | 31.7°C | 2.1°C | 72 mm | 75% | 2.5 m/s | 6 |
| 2002 | 22.4°C | 17.0°C | 11.6°C | 30.0°C | 3.1°C | 50 mm | 78% | 2.2 m/s | 5.7 |
| 2001 | 23.4°C | 17.5°C | 11.6°C | 30.0°C | 5.9°C | 81 mm | 73% | 2.1 m/s | 5.9 |
| 2000 🌧️ | 21.5°C | 16.2°C | 10.8°C | 27.4°C | 6.5°C | 145 mm | 81% | 2.6 m/s | 5.1 |
| 1999 | 25.6°C | 19.2°C | 12.9°C | 32.2°C | 6.0°C | 68 mm | 64% | 2.3 m/s | 6.1 |
| 1998 | 24.3°C | 18.2°C | 12.1°C | 32.5°C | 2.8°C | 72 mm | 67% | 2.5 m/s | 5.7 |
| 1997 | 23.8°C | 17.5°C | 11.3°C | 29.0°C | 5.3°C | 53 mm | 74% | 2.1 m/s | 6.3 |
| 1996 | 22.5°C | 17.2°C | 11.8°C | 28.6°C | 6.2°C | 101 mm | 79% | 2.2 m/s | 5 |
| 1995 | 26.6°C | 19.9°C | 13.3°C | 36.5°C | 7.1°C | 32 mm | 61% | 2.2 m/s | 6.2 |
| 1994 | 24.8°C | 18.2°C | 11.7°C | 34.4°C | 3.6°C | 80 mm | 67% | 2.6 m/s | 5.9 |
| 1993 | 22.5°C | 16.2°C | 10.0°C | 26.9°C | 3.1°C | 109 mm | 70% | 2.5 m/s | 5.9 |
| 1992 | 23.0°C | 16.4°C | 9.7°C | 29.8°C | 3.0°C | 41 mm | 59% | 2.4 m/s | 6.3 |
| 1991 | 26.0°C | 19.6°C | 13.1°C | 31.4°C | 4.4°C | 33 mm | 61% | 2.3 m/s | 6.6 |
| 1990 | 23.9°C | 17.5°C | 11.2°C | 31.7°C | 3.4°C | 55 mm | 66% | 3 m/s | 5.6 |
| 1989 | 24.7°C | 18.6°C | 12.5°C | 32.8°C | 7.1°C | 58 mm | 66% | 2.2 m/s | 5.4 |
| 1988 | 25.3°C | 17.8°C | 10.4°C | 35.6°C | 3.3°C | 22 mm | 51% | 3.2 m/s | 6.5 |
| 1987 | 26.4°C | 19.7°C | 13.0°C | 32.8°C | 5.5°C | 34 mm | 58% | 2.6 m/s | 6 |
| 1986 | 22.9°C | 16.3°C | 9.6°C | 29.9°C | 4.4°C | 58 mm | 64% | 2.9 m/s | 6.2 |
| 1985 ❄️ | 20.3°C | 14.3°C | 8.2°C | 25.6°C | 2.9°C | 41 mm | 71% | 2.7 m/s | 6.4 |
| 1984 | 23.5°C | 17.3°C | 11.1°C | 28.4°C | 5.6°C | 49 mm | 71% | 2.7 m/s | 5.8 |
| 1983 | 23.3°C | 17.0°C | 10.8°C | 29.5°C | 0.9°C | 27 mm | 71% | 2 m/s | — |
| 1982 | 19.7°C | 14.6°C | 9.4°C | 25.9°C | 4.5°C | 122 mm | 78% | 2.2 m/s | — |
| 1981 | 23.8°C | 17.5°C | 11.2°C | 30.9°C | 3.4°C | 73 mm | 70% | 2.7 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 23.6°C with lows near 11.5°C (mean 17.6°C), based on 45 years of NASA POWER data.
June averages 69 mm of rainfall in Caledon, about average for rainfall. The wettest on record was 145 mm in 2000.
The hottest June reached 36.5°C in 1995. The coldest dipped to 0.9°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.4°C. Daytime highs moved from 22.1°C to 24.4°C and overnight lows from 10.1°C to 12.6°C over the same span.
June is one of the warmer months of the year in Caledon and about average for rainfall, so plan for around 23.6°C daytime highs and 11.5°C at night.
Not quite — June is the 10th coolest month in Caledon, averaging 17.6°C.
For June in Caledon, pack light layers you can adjust through the day, with typical highs of 23.6°C and lows of 11.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 70% — moderately humid.
Average wind speed in June is 2.4 m/s. The windiest June on record averaged 3.2 m/s (1988).
The wettest June on record was 2000 with 145 mm. On average, June sees 69 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 Caledon 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.
