June is one of the warmer months of the year in Post Falls, with average highs near 21.1°C and lows around 8.8°C (mean 15°C). It is one of the drier months, averaging 53 mm of rainfall and 66% relative humidity across the period.
June is one of the warmer months of the year in Post Falls. Across 45 years of records, the warmest June in Post Falls was 2021 — when the month averaged 19.7°C — while the coldest was 1981 at 12.1°C. Typical June days reach 21.1°C with nights near 8.8°C. The long-term trend is warming, about 0.3°C per decade.
June is one of the drier months in Post Falls, averaging 53 mm of rainfall. The wettest June on record was 2012 with 126 mm, while the driest was 2025 at 10 mm.
Relative humidity in Post Falls during June averages 66%. The most humid June was 2012 at 75%, and the least humid was 2021 at 53%.
June receives about 6.5 kWh/m²/day of solar energy in Post Falls. The sunniest June was 2015 at 7.7 kWh/m²/day, and the cloudiest was 2012 at 5.6.
Average wind speed in Post Falls during June is 1.1 m/s. The windiest June was 1981 at 1.3 m/s, while the calmest were 1982 and 2023 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.0°C | 14.2°C | 14.8°C | 14.9°C | 16.3°C | +1.3°C |
| Avg High | 21.3°C | 20.3°C | 21.1°C | 20.9°C | 22.5°C | +1.2°C |
| Avg Low | 8.7°C | 8.2°C | 8.5°C | 8.9°C | 10.0°C | +1.3°C |
| Avg Rain | 55 mm | 57 mm | 48 mm | 57 mm | 49 mm | -6 mm |
June temperatures in Post Falls have risen by about 2.8°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.1°C (1984) to a record high of 41.8°C (2021).
Rainfall in June is one of the drier months, averaging 53 mm, with a wettest year of 126 mm.
One of the best times to visit Post Falls
June is one of the best times to visit Post Falls. Expect days averaging 21.1°C and nights around 8.8°C (mean 15°C) — warmer than Post Falls's yearly average — with moderate rainfall (53 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 | 23.6°C | 16.9°C | 10.2°C | 32.1°C | 3.9°C | 10 mm | 59% | 1.1 m/s | 7.4 |
| 2024 | 21.2°C | 14.9°C | 8.5°C | 27.9°C | 2.1°C | 56 mm | 63% | 1.2 m/s | 6.9 |
| 2023 | 23.5°C | 17.4°C | 11.2°C | 29.7°C | 3.8°C | 33 mm | 61% | 0.9 m/s | 6.8 |
| 2022 | 20.1°C | 14.5°C | 9.0°C | 33.1°C | 4.5°C | 111 mm | 73% | 1.1 m/s | 6.1 |
| 2021 🔥 | 26.9°C | 19.7°C | 12.5°C | 41.8°C | 3.8°C | 23 mm | 53% | 1 m/s | 7.4 |
| 2020 | 19.8°C | 14.3°C | 8.8°C | 29.0°C | 4.6°C | 58 mm | 72% | 1.1 m/s | 5.9 |
| 2019 | 21.9°C | 15.7°C | 9.5°C | 28.9°C | 3.3°C | 27 mm | 61% | 1.1 m/s | 7 |
| 2018 | 20.4°C | 14.5°C | 8.6°C | 26.6°C | 4.1°C | 38 mm | 67% | 1.1 m/s | 6.5 |
| 2017 | 21.8°C | 15.5°C | 9.2°C | 30.8°C | 3.6°C | 37 mm | 68% | 1.1 m/s | 6.8 |
| 2016 | 22.2°C | 15.6°C | 9.0°C | 33.2°C | 2.5°C | 29 mm | 62% | 1.1 m/s | 6.9 |
| 2015 | 26.6°C | 19.6°C | 12.6°C | 39.0°C | 5.4°C | 20 mm | 54% | 1 m/s | 7.7 |
| 2014 | 19.9°C | 14.3°C | 8.6°C | 26.8°C | 4.8°C | 70 mm | 67% | 1 m/s | 6.3 |
| 2013 | 20.9°C | 14.8°C | 8.8°C | 31.3°C | 4.4°C | 76 mm | 68% | 1 m/s | 6.5 |
| 2012 🌧️ | 18.7°C | 13.3°C | 7.8°C | 28.0°C | 1.4°C | 126 mm | 75% | 1.2 m/s | 5.6 |
| 2011 | 18.2°C | 12.6°C | 7.1°C | 27.6°C | 3.4°C | 44 mm | 73% | 1.1 m/s | 5.8 |
| 2010 | 18.6°C | 13.3°C | 7.9°C | 27.1°C | 4.0°C | 109 mm | 73% | 1.1 m/s | 6.1 |
| 2009 | 21.3°C | 15.0°C | 8.8°C | 27.1°C | 3.3°C | 41 mm | 64% | 1.1 m/s | 6.9 |
| 2008 | 19.7°C | 13.3°C | 7.0°C | 34.0°C | 1.3°C | 61 mm | 68% | 1.1 m/s | 6.6 |
| 2007 | 20.8°C | 14.6°C | 8.3°C | 31.5°C | 3.4°C | 50 mm | 65% | 1.1 m/s | 6.3 |
| 2006 | 22.1°C | 15.9°C | 9.8°C | 32.1°C | 5.5°C | 75 mm | 68% | 1 m/s | 6.4 |
| 2005 | 19.4°C | 13.5°C | 7.7°C | 32.0°C | 1.6°C | 55 mm | 68% | 1.1 m/s | 5.8 |
| 2004 | 22.3°C | 16.0°C | 9.6°C | 32.2°C | 3.4°C | 36 mm | 65% | 1 m/s | 6.8 |
| 2003 | 22.9°C | 16.2°C | 9.5°C | 31.7°C | 4.5°C | 19 mm | 61% | 1.1 m/s | 7.3 |
| 2002 | 21.7°C | 15.3°C | 8.9°C | 33.7°C | 1.7°C | 47 mm | 66% | 1.1 m/s | 6.5 |
| 2001 | 19.8°C | 13.6°C | 7.3°C | 29.7°C | 2.3°C | 57 mm | 63% | 1.1 m/s | 6 |
| 2000 | 20.9°C | 14.7°C | 8.4°C | 28.5°C | 1.8°C | 38 mm | 66% | 1.2 m/s | 6.6 |
| 1999 | 18.9°C | 13.2°C | 7.5°C | 28.8°C | 1.9°C | 59 mm | 70% | 1.2 m/s | 6 |
| 1998 | 20.1°C | 14.3°C | 8.5°C | 27.9°C | 4.2°C | 43 mm | 70% | 1.1 m/s | 6.8 |
| 1997 | 19.8°C | 14.2°C | 8.7°C | 24.7°C | 4.6°C | 46 mm | 71% | 1 m/s | 6.6 |
| 1996 | 20.2°C | 14.0°C | 7.7°C | 26.9°C | 3.0°C | 47 mm | 67% | 1 m/s | 7.1 |
| 1995 | 19.4°C | 13.7°C | 8.1°C | 27.7°C | 3.0°C | 83 mm | 72% | 1.1 m/s | 5.9 |
| 1994 | 21.6°C | 14.6°C | 7.7°C | 31.5°C | 2.6°C | 46 mm | 59% | 1.2 m/s | 6.5 |
| 1993 | 19.6°C | 13.8°C | 8.0°C | 29.5°C | 4.0°C | 58 mm | 69% | 1.2 m/s | 5.8 |
| 1992 | 25.1°C | 18.3°C | 11.4°C | 34.7°C | 4.3°C | 59 mm | 58% | 1 m/s | 6.6 |
| 1991 | 18.1°C | 12.3°C | 6.6°C | 24.7°C | 0.5°C | 72 mm | 70% | 1.1 m/s | 5.8 |
| 1990 | 20.0°C | 14.0°C | 7.9°C | 30.6°C | 3.4°C | 54 mm | 71% | 1.2 m/s | 6.4 |
| 1989 | 21.9°C | 15.7°C | 9.6°C | 26.8°C | 4.8°C | 23 mm | 64% | 1.1 m/s | 7 |
| 1988 | 21.7°C | 15.3°C | 8.8°C | 31.6°C | 2.9°C | 56 mm | 65% | 1 m/s | 6 |
| 1987 | 24.3°C | 16.8°C | 9.3°C | 33.1°C | 0.9°C | 41 mm | 59% | 1.1 m/s | 7.1 |
| 1986 | 24.2°C | 17.4°C | 10.5°C | 29.7°C | 5.0°C | 23 mm | 60% | 1.1 m/s | 6.8 |
| 1985 | 21.7°C | 14.7°C | 7.8°C | 29.5°C | 2.2°C | 40 mm | 62% | 1.2 m/s | 7 |
| 1984 | 18.9°C | 12.9°C | 6.9°C | 29.1°C | 0.1°C | 79 mm | 71% | 1.1 m/s | 6.2 |
| 1983 | 19.1°C | 13.3°C | 7.6°C | 26.0°C | 3.9°C | 87 mm | 71% | 1.1 m/s | — |
| 1982 | 22.4°C | 16.6°C | 10.8°C | 30.0°C | 3.4°C | 54 mm | 69% | 0.9 m/s | — |
| 1981 ❄️ | 17.6°C | 12.1°C | 6.6°C | 27.9°C | 3.0°C | 90 mm | 72% | 1.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 21.1°C with lows near 8.8°C (mean 15°C), based on 45 years of NASA POWER data.
June averages 53 mm of rainfall in Post Falls, one of the drier months. The wettest on record was 126 mm in 2012.
The hottest June reached 41.8°C in 2021. The coldest dipped to 0.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.8°C. Daytime highs moved from 19.9°C to 23.1°C and overnight lows from 7.9°C to 10.3°C over the same span.
June is one of the warmer months of the year in Post Falls and one of the drier months, so plan for around 21.1°C daytime highs and 8.8°C at night.
Not quite — June is the 9th coolest month in Post Falls, averaging 15°C.
For June in Post Falls, pack light layers you can adjust through the day, with typical highs of 21.1°C and lows of 8.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 66% — moderately humid.
Average wind speed in June is 1.1 m/s. The windiest June on record averaged 1.3 m/s (1981).
The wettest June on record was 2012 with 126 mm. On average, June sees 53 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 Post Falls 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.
