June is one of the warmer months of the year in Orillia, with average highs near 22.3°C and lows around 11.7°C (mean 17°C). It is about average for rainfall, averaging 58 mm of rainfall and 71% relative humidity across the period.
June is one of the warmer months of the year in Orillia. Across 45 years of records, the warmest June in Orillia was 2005 — when the month averaged 20.6°C — while the coldest was 1985 at 13.2°C. Typical June days reach 22.3°C with nights near 11.7°C. The long-term trend is warming, about 0.7°C per decade.
June is about average for rainfall in Orillia, averaging 58 mm of rainfall. The wettest June on record was 1982 with 113 mm, while the driest was 1995 at 20 mm.
Relative humidity in Orillia during June averages 71%. The most humid June was 2002 at 81%, and the least humid was 1988 at 57%.
June receives about 6 kWh/m²/day of solar energy in Orillia. The sunniest June was 2020 at 7.1 kWh/m²/day, and the cloudiest was 1996 at 4.8.
Average wind speed in Orillia during June is 1.2 m/s. The windiest June was 2016 at 1.6 m/s, while the calmest were 2002, 2005 and 2009, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.7°C | 16.9°C | 16.6°C | 17.5°C | 19.1°C | +3.4°C |
| Avg High | 21.1°C | 22.3°C | 21.7°C | 22.7°C | 24.4°C | +3.3°C |
| Avg Low | 10.2°C | 11.4°C | 11.5°C | 12.3°C | 13.8°C | +3.6°C |
| Avg Rain | 54 mm | 68 mm | 60 mm | 60 mm | 42 mm | -12 mm |
June temperatures in Orillia have risen by about 4°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 2.5°C (1983) to a record high of 33.5°C (2005).
Rainfall in June is about average for rainfall, averaging 58 mm, with a wettest year of 113 mm.
One of the best times to visit Orillia
June is one of the best times to visit Orillia. Expect days averaging 22.3°C and nights around 11.7°C (mean 17°C) — warmer than Orillia's yearly average — with moderate rainfall (58 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 | 24.3°C | 19.0°C | 13.6°C | 32.2°C | 5.5°C | 24 mm | 68% | 1.4 m/s | 5.8 |
| 2024 | 24.2°C | 19.3°C | 14.4°C | 31.3°C | 9.5°C | 51 mm | 70% | 1.5 m/s | 5.2 |
| 2023 | 24.1°C | 19.0°C | 13.9°C | 31.5°C | 10.2°C | 60 mm | 66% | 1.3 m/s | 5.8 |
| 2022 | 23.4°C | 17.6°C | 11.9°C | 30.9°C | 7.3°C | 52 mm | 67% | 1.5 m/s | 6.4 |
| 2021 | 25.2°C | 20.2°C | 15.3°C | 30.5°C | 9.7°C | 37 mm | 65% | 1.4 m/s | 6 |
| 2020 | 25.2°C | 19.4°C | 13.6°C | 32.3°C | 5.2°C | 26 mm | 62% | 1.3 m/s | 7.1 |
| 2019 | 20.8°C | 15.7°C | 10.6°C | 28.5°C | 3.8°C | 73 mm | 75% | 1.4 m/s | 6.1 |
| 2018 | 23.8°C | 18.2°C | 12.6°C | 32.1°C | 7.1°C | 47 mm | 68% | 1.3 m/s | 6.2 |
| 2017 | 22.0°C | 17.4°C | 12.9°C | 26.7°C | 6.6°C | 76 mm | 76% | 1.4 m/s | 5.6 |
| 2016 | 24.1°C | 18.3°C | 12.5°C | 30.9°C | 7.0°C | 28 mm | 64% | 1.6 m/s | 6.9 |
| 2015 | 22.0°C | 16.6°C | 11.2°C | 26.2°C | 5.6°C | 83 mm | 73% | 1.3 m/s | 5.8 |
| 2014 | 24.1°C | 18.2°C | 12.2°C | 28.6°C | 6.7°C | 44 mm | 71% | 1.3 m/s | 6 |
| 2013 | 22.3°C | 17.6°C | 12.9°C | 29.3°C | 6.4°C | 52 mm | 72% | 1.3 m/s | 5.8 |
| 2012 | 24.4°C | 19.3°C | 14.2°C | 31.7°C | 8.5°C | 59 mm | 68% | 1.5 m/s | 6.1 |
| 2011 | 21.6°C | 16.4°C | 11.2°C | 26.6°C | 4.6°C | 44 mm | 73% | 1.1 m/s | 6 |
| 2010 | 22.2°C | 17.5°C | 12.7°C | 28.4°C | 7.8°C | 89 mm | 73% | 1.3 m/s | 5.4 |
| 2009 | 20.2°C | 15.2°C | 10.2°C | 30.2°C | 3.0°C | 54 mm | 76% | 1 m/s | 5.7 |
| 2008 | 21.4°C | 16.8°C | 12.2°C | 27.7°C | 6.9°C | 60 mm | 80% | 1.1 m/s | 5.5 |
| 2007 | 23.7°C | 18.0°C | 12.2°C | 31.5°C | 4.3°C | 34 mm | 66% | 1.1 m/s | 6.7 |
| 2006 | 23.0°C | 17.9°C | 12.8°C | 29.7°C | 6.2°C | 62 mm | 69% | 1.2 m/s | 5.9 |
| 2005 🔥 | 25.8°C | 20.6°C | 15.4°C | 33.5°C | 10.0°C | 39 mm | 67% | 1 m/s | 6 |
| 2004 | 19.4°C | 14.4°C | 9.3°C | 25.4°C | 4.3°C | 53 mm | 78% | 1.1 m/s | 6.5 |
| 2003 | 20.5°C | 15.0°C | 9.5°C | 29.8°C | 2.8°C | 58 mm | 76% | 1.1 m/s | 6.3 |
| 2002 | 20.3°C | 15.9°C | 11.6°C | 28.3°C | 3.2°C | 60 mm | 81% | 1 m/s | 5.6 |
| 2001 | 22.1°C | 16.7°C | 11.3°C | 28.3°C | 5.8°C | 77 mm | 76% | 1.1 m/s | 6.2 |
| 2000 | 20.4°C | 15.5°C | 10.6°C | 26.0°C | 6.0°C | 97 mm | 79% | 1.2 m/s | 5.1 |
| 1999 | 23.6°C | 18.3°C | 13.0°C | 29.7°C | 7.3°C | 91 mm | 69% | 1.1 m/s | 6.1 |
| 1998 | 22.4°C | 17.4°C | 12.5°C | 30.0°C | 4.3°C | 98 mm | 71% | 1.2 m/s | 5.8 |
| 1997 | 22.0°C | 16.3°C | 10.6°C | 27.8°C | 5.0°C | 58 mm | 75% | 1 m/s | 6.6 |
| 1996 | 20.4°C | 15.8°C | 11.2°C | 25.0°C | 6.7°C | 83 mm | 81% | 1.1 m/s | 4.8 |
| 1995 | 24.8°C | 18.9°C | 13.0°C | 31.6°C | 7.3°C | 20 mm | 63% | 1.1 m/s | 6.1 |
| 1994 | 22.2°C | 16.6°C | 10.9°C | 32.6°C | 3.9°C | 92 mm | 72% | 1.2 m/s | 5.7 |
| 1993 | 20.4°C | 15.1°C | 9.9°C | 25.9°C | 3.5°C | 105 mm | 74% | 1.2 m/s | 5.9 |
| 1992 | 21.1°C | 15.3°C | 9.5°C | 27.1°C | 4.1°C | 35 mm | 63% | 1.2 m/s | 6.4 |
| 1991 | 23.9°C | 18.4°C | 12.8°C | 30.5°C | 5.2°C | 28 mm | 65% | 1.1 m/s | 6.8 |
| 1990 | 21.8°C | 16.4°C | 10.9°C | 29.8°C | 4.0°C | 65 mm | 70% | 1.2 m/s | 5.4 |
| 1989 | 22.5°C | 17.2°C | 11.8°C | 30.2°C | 6.1°C | 77 mm | 71% | 1 m/s | 5.4 |
| 1988 | 22.1°C | 16.0°C | 9.9°C | 31.1°C | 4.2°C | 26 mm | 57% | 1.4 m/s | 6.8 |
| 1987 | 23.9°C | 18.1°C | 12.4°C | 30.9°C | 5.4°C | 33 mm | 62% | 1.2 m/s | 6 |
| 1986 | 20.7°C | 15.0°C | 9.2°C | 27.6°C | 3.5°C | 41 mm | 65% | 1.3 m/s | 6.4 |
| 1985 ❄️ | 18.2°C | 13.2°C | 8.1°C | 23.7°C | 3.2°C | 46 mm | 75% | 1.2 m/s | 6.4 |
| 1984 | 21.4°C | 15.9°C | 10.4°C | 26.0°C | 5.3°C | 47 mm | 73% | 1.2 m/s | 5.8 |
| 1983 | 21.6°C | 16.0°C | 10.4°C | 28.8°C | 2.5°C | 22 mm | 74% | 1 m/s | — |
| 1982 🌧️ | 18.3°C | 13.7°C | 9.1°C | 25.2°C | 3.9°C | 113 mm | 79% | 1 m/s | — |
| 1981 | 21.6°C | 16.2°C | 10.8°C | 28.5°C | 3.2°C | 83 mm | 74% | 1.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 22.3°C with lows near 11.7°C (mean 17°C), based on 45 years of NASA POWER data.
June averages 58 mm of rainfall in Orillia, about average for rainfall. The wettest on record was 113 mm in 1982.
The hottest June reached 33.5°C in 2005. The coldest dipped to 2.5°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 4°C. Daytime highs moved from 20.2°C to 24.2°C and overnight lows from 9.8°C to 13.8°C over the same span.
June is one of the warmer months of the year in Orillia and about average for rainfall, so plan for around 22.3°C daytime highs and 11.7°C at night.
Not quite — June is the 10th coolest month in Orillia, averaging 17°C.
For June in Orillia, pack light layers you can adjust through the day, with typical highs of 22.3°C and lows of 11.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 71% — moderately humid.
Average wind speed in June is 1.2 m/s. The windiest June on record averaged 1.6 m/s (2016).
The wettest June on record was 1982 with 113 mm. On average, June sees 58 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 Orillia 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.
