June is one of the warmer months of the year in Yellowknife, with average highs near 17.6°C and lows around 10.2°C (mean 13.9°C). It is a relatively wet time of year, averaging 55 mm of rainfall and 68% relative humidity across the period.
June is one of the warmer months of the year in Yellowknife. Across 45 years of records, the warmest June in Yellowknife was 1995 — when the month averaged 17°C — while the coldest was 1986 at 11.4°C. Typical June days reach 17.6°C with nights near 10.2°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Yellowknife, averaging 55 mm of rainfall. The wettest June on record was 2018 with 206 mm, while the driest was 2007 at 12 mm.
Relative humidity in Yellowknife during June averages 68%. The most humid June was 2018 at 78%, and the least humid was 1994 at 57%.
June receives about 6.1 kWh/m²/day of solar energy in Yellowknife. The sunniest June was 2001 at 7.4 kWh/m²/day, and the cloudiest was 2018 at 4.8.
Average wind speed in Yellowknife during June is 4 m/s. The windiest June was 2020 at 5.2 m/s, while the calmest was 1981 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.2°C | 14.5°C | 13.4°C | 14.5°C | 13.7°C | +0.5°C |
| Avg High | 16.8°C | 18.3°C | 17.2°C | 18.3°C | 17.4°C | +0.6°C |
| Avg Low | 9.7°C | 10.6°C | 9.7°C | 10.8°C | 10.0°C | +0.3°C |
| Avg Rain | 67 mm | 52 mm | 43 mm | 65 mm | 47 mm | -19 mm |
June temperatures in Yellowknife have risen by about 0.9°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -0.1°C (2011) to a record high of 29.2°C (1995).
Rainfall in June is a relatively wet time of year, averaging 55 mm, with a wettest year of 206 mm.
One of the best times to visit Yellowknife
June is one of the best times to visit Yellowknife. Expect days averaging 17.6°C and nights around 10.2°C (mean 13.9°C) — warmer than Yellowknife's yearly average — with moderate rainfall (55 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 | 15.7°C | 12.1°C | 8.5°C | 22.0°C | 2.8°C | 39 mm | 70% | 4 m/s | 5.8 |
| 2024 | 15.9°C | 12.0°C | 8.2°C | 27.1°C | 1.7°C | 32 mm | 65% | 4.2 m/s | 6 |
| 2023 | 19.0°C | 15.2°C | 11.4°C | 26.7°C | 1.2°C | 68 mm | 67% | 3.8 m/s | 5.7 |
| 2022 | 19.6°C | 16.0°C | 12.4°C | 23.4°C | 7.4°C | 49 mm | 65% | 3.4 m/s | 6.5 |
| 2021 | 18.4°C | 14.2°C | 10.0°C | 28.8°C | 2.9°C | 56 mm | 75% | 4.3 m/s | 5.9 |
| 2020 | 16.0°C | 12.6°C | 9.3°C | 24.5°C | 1.3°C | 38 mm | 73% | 5.2 m/s | 5.9 |
| 2019 | 15.8°C | 12.4°C | 8.9°C | 23.5°C | 1.1°C | 69 mm | 74% | 4 m/s | 5.8 |
| 2018 🌧️ | 17.1°C | 13.7°C | 10.4°C | 26.1°C | 2.7°C | 206 mm | 78% | 4.3 m/s | 4.8 |
| 2017 | 17.5°C | 13.8°C | 10.1°C | 24.1°C | 2.9°C | 37 mm | 66% | 3.9 m/s | 5.7 |
| 2016 | 18.6°C | 15.0°C | 11.3°C | 27.4°C | 3.9°C | 101 mm | 70% | 4 m/s | 6 |
| 2015 | 19.0°C | 15.2°C | 11.4°C | 25.4°C | 0.6°C | 37 mm | 59% | 3.9 m/s | 6.1 |
| 2014 | 20.1°C | 16.2°C | 12.3°C | 26.8°C | 2.5°C | 29 mm | 59% | 3.7 m/s | 6.6 |
| 2013 | 19.6°C | 15.6°C | 11.7°C | 28.7°C | 2.5°C | 58 mm | 70% | 3.9 m/s | 5.9 |
| 2012 | 18.7°C | 15.0°C | 11.3°C | 24.8°C | 6.5°C | 30 mm | 65% | 4.3 m/s | 6.2 |
| 2011 | 17.4°C | 13.3°C | 9.3°C | 26.3°C | -0.1°C | 41 mm | 63% | 4 m/s | 5.8 |
| 2010 | 18.7°C | 15.0°C | 11.2°C | 24.3°C | 3.5°C | 41 mm | 63% | 4.2 m/s | 6.2 |
| 2009 | 16.1°C | 12.5°C | 9.0°C | 22.3°C | 1.0°C | 95 mm | 74% | 3.8 m/s | 5.8 |
| 2008 | 17.8°C | 13.9°C | 10.0°C | 25.5°C | 2.1°C | 35 mm | 65% | 4.1 m/s | 5.8 |
| 2007 | 17.4°C | 13.6°C | 9.8°C | 25.3°C | 2.0°C | 12 mm | 62% | 3.8 m/s | 6.3 |
| 2006 | 19.0°C | 15.5°C | 12.1°C | 25.8°C | 3.8°C | 61 mm | 73% | 4.4 m/s | 6.1 |
| 2005 | 16.4°C | 12.5°C | 8.6°C | 23.7°C | 3.7°C | 45 mm | 69% | 3.9 m/s | 6 |
| 2004 | 16.6°C | 12.5°C | 8.5°C | 27.5°C | 3.6°C | 13 mm | 64% | 3.8 m/s | 6.9 |
| 2003 | 16.0°C | 12.6°C | 9.1°C | 22.4°C | 0.7°C | 79 mm | 71% | 3.4 m/s | 5.6 |
| 2002 | 18.3°C | 14.3°C | 10.4°C | 24.9°C | 2.6°C | 53 mm | 69% | 3.9 m/s | 6.3 |
| 2001 | 16.9°C | 13.2°C | 9.6°C | 25.1°C | 2.7°C | 12 mm | 68% | 3.5 m/s | 7.4 |
| 2000 | 17.4°C | 13.6°C | 9.8°C | 25.7°C | 0.5°C | 22 mm | 61% | 3.7 m/s | 6.6 |
| 1999 | 17.9°C | 14.2°C | 10.6°C | 28.8°C | 2.6°C | 35 mm | 64% | 3.7 m/s | 6.2 |
| 1998 | 19.5°C | 15.8°C | 12.2°C | 24.4°C | 3.5°C | 75 mm | 64% | 3.9 m/s | 5.9 |
| 1997 | 17.2°C | 13.8°C | 10.3°C | 23.8°C | 4.9°C | 68 mm | 71% | 4.5 m/s | 5.5 |
| 1996 | 19.2°C | 15.2°C | 11.2°C | 26.0°C | 4.6°C | 29 mm | 61% | 4.1 m/s | 6.9 |
| 1995 🔥 | 21.0°C | 17.0°C | 12.9°C | 29.2°C | 6.9°C | 49 mm | 62% | 4.3 m/s | 6.2 |
| 1994 | 20.3°C | 16.0°C | 11.7°C | 26.5°C | 4.7°C | 13 mm | 57% | 4.4 m/s | 6.5 |
| 1993 | 16.5°C | 12.6°C | 8.6°C | 22.6°C | 3.1°C | 20 mm | 65% | 4.2 m/s | 6.7 |
| 1992 | 16.2°C | 12.5°C | 8.8°C | 25.7°C | 2.9°C | 49 mm | 74% | 4.1 m/s | 5.5 |
| 1991 | 16.9°C | 13.3°C | 9.8°C | 21.4°C | 4.4°C | 133 mm | 75% | 4.1 m/s | 5.6 |
| 1990 | 17.9°C | 14.1°C | 10.3°C | 28.0°C | 0.6°C | 47 mm | 60% | 3.6 m/s | 6.2 |
| 1989 | 17.8°C | 14.3°C | 10.9°C | 27.1°C | 4.8°C | 58 mm | 70% | 3.8 m/s | 5.8 |
| 1988 | 17.9°C | 14.4°C | 10.9°C | 24.6°C | 1.6°C | 94 mm | 77% | 4.4 m/s | 5.4 |
| 1987 | 17.6°C | 13.7°C | 9.9°C | 24.8°C | 1.7°C | 72 mm | 66% | 4.2 m/s | 6 |
| 1986 ❄️ | 15.0°C | 11.4°C | 7.8°C | 21.8°C | 1.0°C | 66 mm | 75% | 4.4 m/s | 5.9 |
| 1985 | 15.9°C | 12.4°C | 8.9°C | 25.2°C | 1.2°C | 73 mm | 71% | 3.8 m/s | 6.4 |
| 1984 | 17.2°C | 13.9°C | 10.6°C | 23.2°C | 4.5°C | 100 mm | 71% | 4 m/s | 5.9 |
| 1983 | 17.6°C | 13.7°C | 9.7°C | 26.3°C | 2.2°C | 38 mm | 68% | 4.2 m/s | — |
| 1982 | 15.3°C | 11.8°C | 8.4°C | 24.7°C | 1.0°C | 57 mm | 74% | 4.2 m/s | — |
| 1981 | 16.6°C | 13.2°C | 9.8°C | 24.6°C | 4.9°C | 41 mm | 63% | 3.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 17.6°C with lows near 10.2°C (mean 13.9°C), based on 45 years of NASA POWER data.
June averages 55 mm of rainfall in Yellowknife, a relatively wet time of year. The wettest on record was 206 mm in 2018.
The hottest June reached 29.2°C in 1995. The coldest dipped to -0.1°C in 2011.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.9°C. Daytime highs moved from 16.5°C to 17.7°C and overnight lows from 9.5°C to 10.1°C over the same span.
June is one of the warmer months of the year in Yellowknife and a relatively wet time of year, so plan for around 17.6°C daytime highs and 10.2°C at night.
Not quite — June is the 10th coolest month in Yellowknife, averaging 13.9°C.
For June in Yellowknife, pack light layers you can adjust through the day, with typical highs of 17.6°C and lows of 10.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 68% — moderately humid.
Average wind speed in June is 4 m/s. The windiest June on record averaged 5.2 m/s (2020).
The wettest June on record was 2018 with 206 mm. On average, June sees 55 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 Yellowknife 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.
