June is one of the warmer months of the year in Williams Lake, with average highs near 19.4°C and lows around 6.5°C (mean 13°C). It is a relatively wet time of year, averaging 62 mm of rainfall and 67% relative humidity across the period.
June is one of the warmer months of the year in Williams Lake. Across 45 years of records, the warmest June in Williams Lake was 1992 — when the month averaged 16.5°C — while the coldest was 1981 at 9.6°C. Typical June days reach 19.4°C with nights near 6.5°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Williams Lake, averaging 62 mm of rainfall. The wettest June on record was 2001 with 115 mm, while the driest was 1987 at 18 mm.
Relative humidity in Williams Lake during June averages 67%. The most humid June was 2020 at 76%, and the least humid was 1987 at 51%.
June receives about 6 kWh/m²/day of solar energy in Williams Lake. The sunniest Junes were 1987 and 2004 at 6.7 kWh/m²/day, and the cloudiest was 2005 at 5.2.
Average wind speed in Williams Lake during June is 0.1 m/s. The windiest June was 2014 at 0.2 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.1°C | 12.9°C | 13.0°C | 12.7°C | 13.2°C | +0.1°C |
| Avg High | 20.0°C | 19.3°C | 19.6°C | 18.7°C | 19.5°C | -0.5°C |
| Avg Low | 6.1°C | 6.4°C | 6.4°C | 6.7°C | 7.0°C | +0.9°C |
| Avg Rain | 47 mm | 66 mm | 66 mm | 63 mm | 68 mm | +22 mm |
June temperatures in Williams Lake have risen by about 1.4°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -1.7°C (1985) to a record high of 37.9°C (2021).
Rainfall in June is a relatively wet time of year, averaging 62 mm, with a wettest year of 115 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Williams Lake
June is one of the best times to visit Williams Lake. Expect days averaging 19.4°C and nights around 6.5°C (mean 13°C) — warmer than Williams Lake's yearly average — with moderate rainfall (62 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 | 20.1°C | 13.7°C | 7.3°C | 29.4°C | 2.1°C | 69 mm | 69% | 0.1 m/s | 6.2 |
| 2024 | 18.4°C | 12.1°C | 5.8°C | 25.6°C | 0.5°C | 56 mm | 66% | 0.1 m/s | 5.7 |
| 2023 | 21.1°C | 14.5°C | 7.8°C | 30.4°C | 0.9°C | 73 mm | 65% | 0.1 m/s | 6.5 |
| 2022 | 18.1°C | 12.4°C | 6.7°C | 27.2°C | 2.9°C | 98 mm | 74% | 0.1 m/s | 5.9 |
| 2021 | 21.9°C | 15.2°C | 8.4°C | 37.9°C | 1.3°C | 35 mm | 70% | 0.1 m/s | 6.5 |
| 2020 | 17.1°C | 11.4°C | 5.7°C | 23.3°C | -0.6°C | 79 mm | 76% | 0.1 m/s | 5.5 |
| 2019 | 19.0°C | 12.9°C | 6.8°C | 25.4°C | 2.2°C | 56 mm | 68% | 0.1 m/s | 5.7 |
| 2018 | 18.5°C | 12.6°C | 6.7°C | 30.2°C | 1.6°C | 49 mm | 67% | 0.1 m/s | 5.8 |
| 2017 | 19.7°C | 13.2°C | 6.7°C | 29.9°C | 2.0°C | 21 mm | 67% | 0.1 m/s | 6.5 |
| 2016 | 19.0°C | 13.2°C | 7.3°C | 28.1°C | 0.6°C | 67 mm | 71% | 0.1 m/s | 5.8 |
| 2015 | 21.8°C | 15.0°C | 8.1°C | 31.8°C | 2.6°C | 59 mm | 67% | 0.1 m/s | 6.2 |
| 2014 | 17.8°C | 12.1°C | 6.3°C | 22.9°C | 0.4°C | 54 mm | 69% | 0.2 m/s | 6.1 |
| 2013 | 18.7°C | 12.9°C | 7.1°C | 27.3°C | 2.3°C | 84 mm | 74% | 0.1 m/s | 5.8 |
| 2012 | 17.3°C | 11.7°C | 6.1°C | 23.5°C | 2.1°C | 103 mm | 73% | 0.1 m/s | 5.3 |
| 2011 | 17.0°C | 11.4°C | 5.9°C | 21.2°C | 2.8°C | 77 mm | 76% | 0.1 m/s | 5.4 |
| 2010 | 18.6°C | 12.3°C | 6.0°C | 24.1°C | 1.9°C | 56 mm | 65% | 0.1 m/s | 6.1 |
| 2009 | 19.5°C | 12.9°C | 6.3°C | 26.2°C | 2.1°C | 29 mm | 64% | 0.1 m/s | 6.6 |
| 2008 | 18.0°C | 11.7°C | 5.5°C | 32.2°C | 2.0°C | 48 mm | 71% | 0.1 m/s | 5.8 |
| 2007 | 18.0°C | 12.1°C | 6.3°C | 29.0°C | 2.9°C | 91 mm | 73% | 0.1 m/s | 5.3 |
| 2006 | 21.2°C | 14.2°C | 7.3°C | 32.3°C | 3.7°C | 63 mm | 63% | 0.1 m/s | 6.5 |
| 2005 | 18.0°C | 12.3°C | 6.5°C | 25.4°C | 2.0°C | 94 mm | 75% | 0.1 m/s | 5.2 |
| 2004 | 22.5°C | 15.2°C | 8.0°C | 31.0°C | 2.6°C | 44 mm | 63% | 0.1 m/s | 6.7 |
| 2003 | 21.3°C | 14.0°C | 6.6°C | 30.1°C | 1.1°C | 53 mm | 59% | 0.1 m/s | 6 |
| 2002 | 21.5°C | 14.5°C | 7.4°C | 29.9°C | 0.4°C | 30 mm | 60% | 0.1 m/s | 6.3 |
| 2001 🌧️ | 17.1°C | 10.8°C | 4.5°C | 22.8°C | 1.2°C | 115 mm | 71% | 0.1 m/s | 5.7 |
| 2000 | 18.4°C | 12.2°C | 6.0°C | 26.8°C | 1.1°C | 90 mm | 71% | 0.1 m/s | 5.9 |
| 1999 | 16.6°C | 10.8°C | 4.9°C | 26.3°C | 0.0°C | 93 mm | 76% | 0.1 m/s | 5.5 |
| 1998 | 20.1°C | 14.0°C | 8.0°C | 25.6°C | 2.7°C | 71 mm | 67% | 0.1 m/s | 6.1 |
| 1997 | 18.3°C | 12.0°C | 5.7°C | 23.6°C | 2.7°C | 38 mm | 70% | 0.1 m/s | 6.1 |
| 1996 | 17.4°C | 11.1°C | 4.8°C | 21.5°C | 0.9°C | 56 mm | 72% | 0.1 m/s | 6.1 |
| 1995 | 21.2°C | 14.3°C | 7.3°C | 30.5°C | 2.9°C | 72 mm | 61% | 0.1 m/s | 6.2 |
| 1994 | 19.4°C | 12.8°C | 6.1°C | 29.1°C | 1.1°C | 81 mm | 64% | 0.1 m/s | 6 |
| 1993 | 18.8°C | 12.6°C | 6.4°C | 26.1°C | 2.8°C | 73 mm | 65% | 0.1 m/s | 5.3 |
| 1992 🔥 | 24.4°C | 16.5°C | 8.7°C | 33.3°C | 1.0°C | 39 mm | 56% | 0.1 m/s | 6.3 |
| 1991 | 18.0°C | 12.0°C | 6.0°C | 25.6°C | 1.3°C | 76 mm | 69% | 0.1 m/s | 5.9 |
| 1990 | 18.5°C | 12.4°C | 6.4°C | 28.5°C | 1.6°C | 60 mm | 70% | 0.1 m/s | 5.9 |
| 1989 | 21.6°C | 14.3°C | 7.0°C | 29.7°C | 1.9°C | 42 mm | 57% | 0.1 m/s | 6.1 |
| 1988 | 20.9°C | 13.5°C | 6.2°C | 29.6°C | -0.5°C | 28 mm | 55% | 0.1 m/s | 5.7 |
| 1987 | 23.5°C | 15.5°C | 7.6°C | 31.9°C | -0.1°C | 18 mm | 51% | 0.1 m/s | 6.7 |
| 1986 | 20.9°C | 13.5°C | 6.1°C | 28.1°C | 2.2°C | 46 mm | 58% | 0.1 m/s | 6.3 |
| 1985 | 19.0°C | 12.1°C | 5.2°C | 30.2°C | -1.7°C | 50 mm | 62% | 0.1 m/s | 6.4 |
| 1984 | 17.7°C | 11.4°C | 5.1°C | 24.3°C | -0.7°C | 52 mm | 68% | 0.1 m/s | 5.7 |
| 1983 | 18.6°C | 12.5°C | 6.4°C | 25.7°C | 3.1°C | 88 mm | 67% | 0.1 m/s | — |
| 1982 | 22.1°C | 15.2°C | 8.3°C | 30.2°C | -1.1°C | 41 mm | 66% | 0.1 m/s | — |
| 1981 ❄️ | 15.8°C | 9.6°C | 3.4°C | 23.7°C | -0.2°C | 55 mm | 69% | 0.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 19.4°C with lows near 6.5°C (mean 13°C), based on 45 years of NASA POWER data.
June averages 62 mm of rainfall in Williams Lake, a relatively wet time of year. The wettest on record was 115 mm in 2001.
The hottest June reached 37.9°C in 2021. The coldest dipped to -1.7°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.4°C. Daytime highs moved from 18.6°C to 19.9°C and overnight lows from 5.7°C to 7.2°C over the same span.
June is one of the warmer months of the year in Williams Lake and a relatively wet time of year, so plan for around 19.4°C daytime highs and 6.5°C at night.
Not quite — June is the 10th coolest month in Williams Lake, averaging 13°C.
For June in Williams Lake, pack warm layers and a jacket for chilly mornings, with typical highs of 19.4°C and lows of 6.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 67% — moderately humid.
Average wind speed in June is 0.1 m/s. The windiest June on record averaged 0.2 m/s (2014).
The wettest June on record was 2001 with 115 mm. On average, June sees 62 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 Williams Lake 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.
