June is one of the warmer months of the year in Penticton, with average highs near 18°C and lows around 5.3°C (mean 11.7°C). It is a relatively wet time of year, averaging 63 mm of rainfall and 69% relative humidity across the period.
June is one of the warmer months of the year in Penticton. Across 45 years of records, the warmest June in Penticton was 2021 — when the month averaged 15.8°C — while the coldest was 1981 at 8.3°C. Typical June days reach 18°C with nights near 5.3°C. The long-term trend is warming, about 0.2°C per decade.
June is a relatively wet time of year in Penticton, averaging 63 mm of rainfall. The wettest June on record was 2012 with 137 mm, while the driest was 2021 at 24 mm.
Relative humidity in Penticton during June averages 69%. The most humid June was 2012 at 77%, and the least humid was 1987 at 61%.
June receives about 6 kWh/m²/day of solar energy in Penticton. The sunniest June was 2021 at 7 kWh/m²/day, and the cloudiest was 2012 at 4.7.
Average wind speed in Penticton during June is 0.2 m/s. The windiest Junes were 2015, 2016 and 2017, among others at 0.3 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.6°C | 11.2°C | 12.0°C | 11.5°C | 12.3°C | +0.7°C |
| Avg High | 18.2°C | 17.4°C | 18.6°C | 17.7°C | 18.6°C | +0.4°C |
| Avg Low | 5.2°C | 5.0°C | 5.3°C | 5.4°C | 6.0°C | +0.8°C |
| Avg Rain | 55 mm | 68 mm | 59 mm | 70 mm | 66 mm | +10 mm |
June temperatures in Penticton have risen by about 1.8°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -2.9°C (1991) to a record high of 39.6°C (2021).
Rainfall in June is a relatively wet time of year, averaging 63 mm, with a wettest year of 137 mm.
One of the best times to visit Penticton
June is one of the best times to visit Penticton. Expect days averaging 18°C and nights around 5.3°C (mean 11.7°C) — warmer than Penticton's yearly average — with moderate rainfall (63 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 | 18.3°C | 12.0°C | 5.7°C | 27.5°C | 0.3°C | 42 mm | 72% | 0.2 m/s | 6.4 |
| 2024 | 16.6°C | 10.4°C | 4.2°C | 23.2°C | -0.8°C | 74 mm | 71% | 0.2 m/s | 6 |
| 2023 | 20.2°C | 13.6°C | 7.0°C | 27.0°C | 1.3°C | 54 mm | 68% | 0.2 m/s | 6.2 |
| 2022 | 17.0°C | 11.2°C | 5.4°C | 28.0°C | 2.1°C | 105 mm | 75% | 0.2 m/s | 5.4 |
| 2021 🔥 | 23.0°C | 15.8°C | 8.6°C | 39.6°C | 0.8°C | 24 mm | 62% | 0.2 m/s | 7 |
| 2020 | 16.7°C | 10.9°C | 5.2°C | 24.9°C | 0.5°C | 94 mm | 76% | 0.2 m/s | 5.7 |
| 2019 | 18.4°C | 12.0°C | 5.6°C | 26.0°C | 0.4°C | 49 mm | 69% | 0.2 m/s | 6.2 |
| 2018 | 17.0°C | 11.1°C | 5.2°C | 26.3°C | -0.7°C | 65 mm | 73% | 0.2 m/s | 5.8 |
| 2017 | 18.4°C | 12.0°C | 5.6°C | 26.3°C | 1.9°C | 29 mm | 70% | 0.3 m/s | 6.2 |
| 2016 | 18.5°C | 12.3°C | 6.1°C | 26.9°C | -0.9°C | 79 mm | 69% | 0.3 m/s | 6 |
| 2015 | 21.7°C | 15.0°C | 8.2°C | 32.7°C | 2.1°C | 51 mm | 65% | 0.3 m/s | 6.9 |
| 2014 | 17.1°C | 11.1°C | 5.2°C | 23.1°C | 0.5°C | 72 mm | 71% | 0.2 m/s | 6 |
| 2013 | 17.5°C | 11.8°C | 6.1°C | 27.0°C | 2.0°C | 105 mm | 74% | 0.2 m/s | 5.5 |
| 2012 🌧️ | 15.3°C | 9.7°C | 4.1°C | 21.5°C | -2.3°C | 137 mm | 77% | 0.2 m/s | 4.7 |
| 2011 | 16.2°C | 10.1°C | 4.0°C | 21.2°C | 1.3°C | 48 mm | 74% | 0.2 m/s | 5.4 |
| 2010 | 16.4°C | 10.2°C | 4.0°C | 22.5°C | -1.3°C | 62 mm | 73% | 0.2 m/s | 5.7 |
| 2009 | 19.5°C | 12.4°C | 5.3°C | 26.4°C | 1.4°C | 34 mm | 62% | 0.2 m/s | 6.5 |
| 2008 | 17.7°C | 11.0°C | 4.2°C | 32.5°C | 0.4°C | 54 mm | 67% | 0.2 m/s | 6 |
| 2007 | 18.0°C | 11.5°C | 5.0°C | 28.7°C | -0.2°C | 72 mm | 67% | 0.2 m/s | 5.5 |
| 2006 | 18.9°C | 12.5°C | 6.0°C | 28.9°C | 2.3°C | 78 mm | 71% | 0.3 m/s | 6 |
| 2005 | 16.6°C | 10.9°C | 5.1°C | 27.6°C | -0.4°C | 102 mm | 73% | 0.2 m/s | 5.2 |
| 2004 | 20.5°C | 13.7°C | 6.8°C | 29.8°C | -0.1°C | 66 mm | 64% | 0.3 m/s | 6.3 |
| 2003 | 20.2°C | 13.1°C | 6.1°C | 27.7°C | 2.0°C | 34 mm | 64% | 0.3 m/s | 6.6 |
| 2002 | 19.8°C | 13.0°C | 6.2°C | 30.2°C | -1.2°C | 38 mm | 64% | 0.2 m/s | 6.2 |
| 2001 | 16.8°C | 10.1°C | 3.5°C | 24.8°C | -1.0°C | 69 mm | 67% | 0.2 m/s | 5.6 |
| 2000 | 18.0°C | 11.5°C | 5.0°C | 25.8°C | 0.4°C | 42 mm | 66% | 0.2 m/s | 6.2 |
| 1999 | 16.5°C | 10.2°C | 3.9°C | 25.9°C | -2.5°C | 50 mm | 69% | 0.2 m/s | 5.6 |
| 1998 | 17.8°C | 12.0°C | 6.2°C | 24.6°C | 3.1°C | 54 mm | 72% | 0.2 m/s | 5.7 |
| 1997 | 17.0°C | 11.2°C | 5.3°C | 24.2°C | 1.4°C | 81 mm | 73% | 0.2 m/s | 6.3 |
| 1996 | 16.5°C | 10.2°C | 3.8°C | 23.3°C | 0.7°C | 31 mm | 70% | 0.2 m/s | 6.3 |
| 1995 | 17.8°C | 11.7°C | 5.5°C | 26.6°C | 1.7°C | 76 mm | 69% | 0.2 m/s | 6.1 |
| 1994 | 17.7°C | 10.9°C | 4.0°C | 26.7°C | -0.1°C | 53 mm | 68% | 0.3 m/s | 5.8 |
| 1993 | 16.9°C | 10.9°C | 4.8°C | 23.9°C | 1.2°C | 77 mm | 70% | 0.2 m/s | 5.4 |
| 1992 | 22.2°C | 15.0°C | 7.7°C | 30.7°C | 2.1°C | 82 mm | 64% | 0.2 m/s | 6 |
| 1991 | 15.2°C | 9.5°C | 3.7°C | 21.1°C | -2.9°C | 61 mm | 73% | 0.2 m/s | 5.7 |
| 1990 | 16.4°C | 10.7°C | 4.9°C | 23.8°C | 0.4°C | 113 mm | 75% | 0.2 m/s | 5.5 |
| 1989 | 19.1°C | 12.6°C | 6.1°C | 25.7°C | 0.5°C | 45 mm | 67% | 0.2 m/s | 6.3 |
| 1988 | 18.4°C | 11.6°C | 4.9°C | 26.9°C | -0.5°C | 59 mm | 66% | 0.2 m/s | 5.6 |
| 1987 | 21.5°C | 13.8°C | 6.1°C | 29.2°C | -0.4°C | 31 mm | 61% | 0.3 m/s | 6.7 |
| 1986 | 20.3°C | 12.9°C | 5.6°C | 26.3°C | 0.5°C | 61 mm | 65% | 0.2 m/s | 6.1 |
| 1985 | 18.1°C | 11.3°C | 4.6°C | 26.6°C | -1.0°C | 40 mm | 65% | 0.3 m/s | 6.2 |
| 1984 | 15.6°C | 9.7°C | 3.9°C | 23.2°C | -0.4°C | 69 mm | 75% | 0.2 m/s | 5.9 |
| 1983 | 16.1°C | 10.3°C | 4.5°C | 22.0°C | 1.6°C | 65 mm | 74% | 0.2 m/s | — |
| 1982 | 20.3°C | 14.3°C | 8.2°C | 27.2°C | -0.7°C | 61 mm | 69% | 0.2 m/s | — |
| 1981 ❄️ | 14.1°C | 8.3°C | 2.5°C | 23.2°C | 0.3°C | 66 mm | 75% | 0.2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 18°C with lows near 5.3°C (mean 11.7°C), based on 45 years of NASA POWER data.
June averages 63 mm of rainfall in Penticton, a relatively wet time of year. The wettest on record was 137 mm in 2012.
The hottest June reached 39.6°C in 2021. The coldest dipped to -2.9°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.8°C. Daytime highs moved from 16.8°C to 19°C and overnight lows from 4.7°C to 6.2°C over the same span.
June is one of the warmer months of the year in Penticton and a relatively wet time of year, so plan for around 18°C daytime highs and 5.3°C at night.
Not quite — June is the 10th coolest month in Penticton, averaging 11.7°C.
For June in Penticton, pack warm layers and a jacket for chilly mornings, with typical highs of 18°C and lows of 5.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 69% — moderately humid.
Average wind speed in June is 0.2 m/s. The windiest June on record averaged 0.3 m/s (1985).
The wettest June on record was 2012 with 137 mm. On average, June sees 63 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 Penticton 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.
