June is one of the warmer months of the year in Spokane, with average highs near 22.8°C and lows around 9.6°C (mean 16.2°C). It is about average for rainfall, averaging 41 mm of rainfall and 61% relative humidity across the period.
June is one of the warmer months of the year in Spokane. Across 45 years of records, the warmest June in Spokane was 2021 — when the month averaged 20.9°C — while the coldest was 1981 at 13.4°C. Typical June days reach 22.8°C with nights near 9.6°C. The long-term trend is warming, about 0.3°C per decade.
June is about average for rainfall in Spokane, averaging 41 mm of rainfall. The wettest June on record was 2012 with 97 mm, while the driest was 2025 at 7 mm.
Relative humidity in Spokane during June averages 61%. The most humid June was 2012 at 69%, and the least humid was 2021 at 50%.
June receives about 6.5 kWh/m²/day of solar energy in Spokane. The sunniest June was 2015 at 7.7 kWh/m²/day, and the cloudiest was 2012 at 5.6.
Average wind speed in Spokane during June is 2 m/s. The windiest June was 1981 at 2.5 m/s, while the calmest was 2023 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.2°C | 15.5°C | 16.2°C | 16.2°C | 17.4°C | +1.2°C |
| Avg High | 22.9°C | 21.9°C | 22.9°C | 22.7°C | 24.1°C | +1.2°C |
| Avg Low | 9.5°C | 9.1°C | 9.5°C | 9.7°C | 10.7°C | +1.2°C |
| Avg Rain | 42 mm | 46 mm | 35 mm | 43 mm | 39 mm | -3 mm |
June temperatures in Spokane have risen by about 2.5°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 1.1°C (1984) to a record high of 42.4°C (2021).
Rainfall in June is about average for rainfall, averaging 41 mm, with a wettest year of 97 mm.
One of the best times to visit Spokane
June is one of the best times to visit Spokane. Expect days averaging 22.8°C and nights around 9.6°C (mean 16.2°C) — warmer than Spokane's yearly average — with moderate rainfall (41 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 | 25.0°C | 17.8°C | 10.6°C | 32.9°C | 5.2°C | 7 mm | 55% | 1.9 m/s | 7.4 |
| 2024 | 22.8°C | 15.9°C | 9.0°C | 29.7°C | 2.8°C | 41 mm | 58% | 2.1 m/s | 6.9 |
| 2023 | 25.0°C | 18.4°C | 11.7°C | 31.3°C | 5.2°C | 23 mm | 58% | 1.6 m/s | 6.8 |
| 2022 | 21.6°C | 15.7°C | 9.8°C | 32.8°C | 4.6°C | 95 mm | 68% | 2.2 m/s | 6.1 |
| 2021 🔥 | 28.4°C | 20.9°C | 13.4°C | 42.4°C | 4.6°C | 21 mm | 50% | 2 m/s | 7.4 |
| 2020 | 21.5°C | 15.6°C | 9.6°C | 30.5°C | 5.0°C | 48 mm | 65% | 2.1 m/s | 5.9 |
| 2019 | 23.6°C | 16.9°C | 10.2°C | 30.9°C | 3.7°C | 20 mm | 56% | 2 m/s | 7 |
| 2018 | 22.1°C | 15.8°C | 9.4°C | 28.3°C | 4.4°C | 30 mm | 62% | 2.1 m/s | 6.5 |
| 2017 | 23.3°C | 16.5°C | 9.7°C | 32.6°C | 4.3°C | 25 mm | 63% | 2.1 m/s | 6.8 |
| 2016 | 23.8°C | 16.9°C | 9.9°C | 34.4°C | 3.3°C | 25 mm | 57% | 2.1 m/s | 6.9 |
| 2015 | 28.1°C | 20.8°C | 13.4°C | 38.9°C | 6.2°C | 11 mm | 50% | 1.8 m/s | 7.7 |
| 2014 | 22.1°C | 15.8°C | 9.5°C | 28.9°C | 6.0°C | 57 mm | 60% | 1.9 m/s | 6.3 |
| 2013 | 22.5°C | 16.1°C | 9.6°C | 33.0°C | 5.4°C | 61 mm | 63% | 1.9 m/s | 6.5 |
| 2012 🌧️ | 20.3°C | 14.4°C | 8.5°C | 28.4°C | 2.3°C | 97 mm | 69% | 2.3 m/s | 5.6 |
| 2011 | 20.2°C | 14.0°C | 7.8°C | 28.6°C | 4.3°C | 28 mm | 66% | 2.1 m/s | 5.8 |
| 2010 | 20.5°C | 14.6°C | 8.7°C | 28.3°C | 4.0°C | 79 mm | 66% | 2 m/s | 6.1 |
| 2009 | 23.1°C | 16.5°C | 9.8°C | 28.9°C | 4.8°C | 29 mm | 59% | 2 m/s | 6.9 |
| 2008 | 21.7°C | 14.8°C | 7.9°C | 35.3°C | 1.6°C | 40 mm | 60% | 2.1 m/s | 6.6 |
| 2007 | 22.4°C | 15.7°C | 9.1°C | 32.5°C | 4.4°C | 39 mm | 59% | 2.1 m/s | 6.3 |
| 2006 | 23.4°C | 17.0°C | 10.5°C | 33.5°C | 6.3°C | 59 mm | 64% | 1.8 m/s | 6.4 |
| 2005 | 21.3°C | 15.1°C | 8.8°C | 33.7°C | 2.4°C | 39 mm | 60% | 2 m/s | 5.8 |
| 2004 | 24.4°C | 17.5°C | 10.6°C | 34.6°C | 4.5°C | 26 mm | 59% | 1.9 m/s | 6.8 |
| 2003 | 24.9°C | 17.7°C | 10.5°C | 33.8°C | 5.6°C | 10 mm | 54% | 2 m/s | 7.3 |
| 2002 | 23.5°C | 16.7°C | 9.9°C | 35.3°C | 3.1°C | 33 mm | 60% | 2.1 m/s | 6.5 |
| 2001 | 21.3°C | 14.8°C | 8.3°C | 31.0°C | 3.0°C | 38 mm | 57% | 2 m/s | 6 |
| 2000 | 22.9°C | 16.1°C | 9.4°C | 30.6°C | 3.4°C | 36 mm | 60% | 2.2 m/s | 6.6 |
| 1999 | 20.7°C | 14.5°C | 8.4°C | 30.8°C | 2.7°C | 47 mm | 64% | 2.2 m/s | 6 |
| 1998 | 21.9°C | 15.7°C | 9.4°C | 29.6°C | 5.7°C | 32 mm | 64% | 2 m/s | 6.8 |
| 1997 | 21.4°C | 15.4°C | 9.5°C | 26.8°C | 5.0°C | 34 mm | 66% | 1.9 m/s | 6.6 |
| 1996 | 21.8°C | 15.2°C | 8.6°C | 27.6°C | 4.1°C | 43 mm | 61% | 1.8 m/s | 7.1 |
| 1995 | 20.9°C | 14.9°C | 9.0°C | 29.3°C | 4.0°C | 73 mm | 67% | 2.1 m/s | 5.9 |
| 1994 | 22.9°C | 15.7°C | 8.5°C | 32.7°C | 3.3°C | 33 mm | 55% | 2.2 m/s | 6.5 |
| 1993 | 21.2°C | 15.0°C | 8.8°C | 30.6°C | 4.3°C | 45 mm | 63% | 2.3 m/s | 5.8 |
| 1992 | 26.5°C | 19.5°C | 12.5°C | 36.0°C | 5.3°C | 49 mm | 54% | 1.8 m/s | 6.6 |
| 1991 | 19.5°C | 13.5°C | 7.4°C | 26.9°C | 1.8°C | 55 mm | 64% | 2 m/s | 5.8 |
| 1990 | 21.8°C | 15.3°C | 8.8°C | 31.2°C | 4.2°C | 44 mm | 65% | 2.3 m/s | 6.4 |
| 1989 | 23.6°C | 17.1°C | 10.5°C | 28.6°C | 5.5°C | 14 mm | 59% | 2 m/s | 7 |
| 1988 | 23.0°C | 16.3°C | 9.7°C | 31.4°C | 4.0°C | 48 mm | 61% | 1.9 m/s | 6 |
| 1987 | 25.9°C | 18.0°C | 10.2°C | 34.0°C | 2.0°C | 30 mm | 54% | 2 m/s | 7.1 |
| 1986 | 26.0°C | 18.7°C | 11.4°C | 31.4°C | 5.8°C | 15 mm | 54% | 2 m/s | 6.8 |
| 1985 | 23.3°C | 16.0°C | 8.7°C | 31.6°C | 3.1°C | 28 mm | 57% | 2.4 m/s | 7 |
| 1984 | 20.3°C | 14.1°C | 7.8°C | 29.9°C | 1.1°C | 67 mm | 67% | 2 m/s | 6.2 |
| 1983 | 20.7°C | 14.6°C | 8.4°C | 27.7°C | 4.1°C | 69 mm | 65% | 2.2 m/s | — |
| 1982 | 24.2°C | 17.9°C | 11.5°C | 31.5°C | 4.7°C | 48 mm | 64% | 1.7 m/s | — |
| 1981 ❄️ | 19.5°C | 13.4°C | 7.4°C | 29.4°C | 4.2°C | 61 mm | 66% | 2.5 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 22.8°C with lows near 9.6°C (mean 16.2°C), based on 45 years of NASA POWER data.
June averages 41 mm of rainfall in Spokane, about average for rainfall. The wettest on record was 97 mm in 2012.
The hottest June reached 42.4°C in 2021. The coldest dipped to 1.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.5°C. Daytime highs moved from 21.6°C to 24.6°C and overnight lows from 8.8°C to 10.9°C over the same span.
June is one of the warmer months of the year in Spokane and about average for rainfall, so plan for around 22.8°C daytime highs and 9.6°C at night.
Not quite — June is the 10th coolest month in Spokane, averaging 16.2°C.
For June in Spokane, pack light layers you can adjust through the day, with typical highs of 22.8°C and lows of 9.6°C.
Relative humidity in June averages 61% — moderately humid.
Average wind speed in June is 2 m/s. The windiest June on record averaged 2.5 m/s (1981).
The wettest June on record was 2012 with 97 mm. On average, June sees 41 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 Spokane 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.
