July is one of the warmer months of the year in Spokane, with average highs near 28.2°C and lows around 13.2°C (mean 20.7°C). It is one of the drier months, averaging 18 mm of rainfall and 52% relative humidity across the period.
July is one of the warmer months of the year in Spokane. Across 45 years of records, the warmest July in Spokane was 2021 — when the month averaged 25°C — while the coldest was 1993 at 15.1°C. Typical July days reach 28.2°C with nights near 13.2°C. The long-term trend is warming, about 0.8°C per decade.
July is one of the drier months in Spokane, averaging 18 mm of rainfall. The wettest July on record was 1993 with 87 mm, while the driest was 2003 at 1 mm.
Relative humidity in Spokane during July averages 52%. The most humid July was 1993 at 67%, and the least humid was 2021 at 39%.
July receives about 7.2 kWh/m²/day of solar energy in Spokane. The sunniest Julys were 2003, 2013 and 2017 at 8.1 kWh/m²/day, and the cloudiest was 1993 at 5.
Average wind speed in Spokane during July is 1.9 m/s. The windiest July was 1987 at 2.2 m/s, while the calmest were 2012 and 2022 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.3°C | 19.8°C | 21.4°C | 21.0°C | 22.5°C | +3.2°C |
| Avg High | 26.7°C | 26.9°C | 29.1°C | 28.5°C | 30.3°C | +3.6°C |
| Avg Low | 11.9°C | 12.8°C | 13.7°C | 13.5°C | 14.8°C | +2.9°C |
| Avg Rain | 26 mm | 30 mm | 11 mm | 11 mm | 9 mm | -17 mm |
July temperatures in Spokane have risen by about 3.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 4.2°C (1981) to a record high of 40.2°C (2021).
Rainfall in July is one of the drier months, averaging 18 mm, with a wettest year of 87 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.9°C per decade while lows rose 0.7°C per decade, widening the gap between day and night.
One of the best times to visit Spokane
July is one of the best times to visit Spokane. Expect days averaging 28.2°C and nights around 13.2°C (mean 20.7°C) — warmer than Spokane's yearly average — with low rainfall (18 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 | 28.8°C | 21.5°C | 14.3°C | 34.1°C | 11.2°C | 9 mm | 49% | 2 m/s | 7.1 |
| 2024 | 31.6°C | 23.4°C | 15.3°C | 39.3°C | 10.8°C | 4 mm | 46% | 1.7 m/s | 7.5 |
| 2023 | 30.5°C | 22.6°C | 14.8°C | 35.2°C | 11.3°C | 4 mm | 44% | 1.7 m/s | 7.9 |
| 2022 | 30.0°C | 22.4°C | 14.9°C | 37.2°C | 9.9°C | 24 mm | 55% | 1.6 m/s | 7.6 |
| 2021 🔥 | 33.1°C | 25.0°C | 16.9°C | 40.2°C | 10.4°C | 4 mm | 39% | 1.8 m/s | 7.4 |
| 2020 | 27.9°C | 20.2°C | 12.6°C | 37.1°C | 7.9°C | 9 mm | 52% | 2 m/s | 7.4 |
| 2019 | 27.1°C | 20.0°C | 13.0°C | 33.3°C | 9.0°C | 10 mm | 51% | 1.9 m/s | 7 |
| 2018 | 29.6°C | 21.7°C | 13.8°C | 35.2°C | 7.8°C | 2 mm | 49% | 1.7 m/s | 7.7 |
| 2017 | 29.9°C | 22.1°C | 14.3°C | 34.9°C | 10.2°C | 1 mm | 49% | 1.8 m/s | 8.1 |
| 2016 | 26.5°C | 19.5°C | 12.6°C | 35.1°C | 8.5°C | 18 mm | 54% | 1.9 m/s | 6.8 |
| 2015 | 29.8°C | 22.4°C | 15.0°C | 36.7°C | 9.9°C | 7 mm | 44% | 2 m/s | 7.3 |
| 2014 | 30.7°C | 22.8°C | 14.9°C | 36.7°C | 8.8°C | 14 mm | 50% | 1.9 m/s | 7.3 |
| 2013 | 30.3°C | 22.3°C | 14.2°C | 36.3°C | 10.7°C | 2 mm | 47% | 1.7 m/s | 8.1 |
| 2012 | 28.6°C | 21.3°C | 14.0°C | 34.7°C | 7.4°C | 35 mm | 58% | 1.6 m/s | 7.3 |
| 2011 | 25.5°C | 18.2°C | 11.0°C | 31.1°C | 6.7°C | 13 mm | 57% | 1.8 m/s | 7.1 |
| 2010 | 27.4°C | 19.9°C | 12.4°C | 33.4°C | 7.0°C | 12 mm | 53% | 1.8 m/s | 7.2 |
| 2009 | 29.0°C | 21.4°C | 13.8°C | 33.8°C | 8.8°C | 28 mm | 50% | 1.8 m/s | 7.3 |
| 2008 | 27.8°C | 20.3°C | 12.8°C | 33.7°C | 7.6°C | 5 mm | 50% | 1.9 m/s | 7.4 |
| 2007 | 31.1°C | 23.2°C | 15.3°C | 37.2°C | 10.1°C | 9 mm | 48% | 1.7 m/s | 7.6 |
| 2006 | 29.7°C | 22.2°C | 14.6°C | 36.9°C | 8.6°C | 5 mm | 50% | 1.9 m/s | 7.8 |
| 2005 | 28.8°C | 20.9°C | 13.0°C | 35.2°C | 8.9°C | 18 mm | 47% | 2 m/s | 7.5 |
| 2004 | 29.6°C | 21.9°C | 14.2°C | 36.5°C | 7.0°C | 6 mm | 48% | 2.1 m/s | 7.3 |
| 2003 | 30.9°C | 22.7°C | 14.5°C | 36.8°C | 9.0°C | 1 mm | 41% | 1.9 m/s | 8.1 |
| 2002 | 29.6°C | 21.5°C | 13.5°C | 37.5°C | 5.7°C | 18 mm | 50% | 2 m/s | 7.2 |
| 2001 | 27.7°C | 20.4°C | 13.0°C | 36.2°C | 8.3°C | 13 mm | 48% | 2 m/s | 6.9 |
| 2000 | 27.2°C | 19.8°C | 12.4°C | 35.6°C | 7.3°C | 11 mm | 52% | 1.9 m/s | 7.4 |
| 1999 | 26.0°C | 18.5°C | 11.1°C | 34.0°C | 5.4°C | 12 mm | 53% | 2 m/s | 7.3 |
| 1998 | 29.6°C | 22.8°C | 16.1°C | 36.8°C | 10.7°C | 30 mm | 59% | 1.7 m/s | 7.2 |
| 1997 | 25.9°C | 19.0°C | 12.0°C | 32.0°C | 6.9°C | 25 mm | 62% | 1.8 m/s | 7.1 |
| 1996 | 28.0°C | 20.5°C | 12.9°C | 33.8°C | 6.5°C | 11 mm | 56% | 1.8 m/s | 7.4 |
| 1995 | 26.4°C | 19.6°C | 12.7°C | 33.1°C | 8.3°C | 27 mm | 58% | 2 m/s | 7 |
| 1994 | 30.3°C | 22.3°C | 14.4°C | 38.1°C | 6.4°C | 3 mm | 44% | 1.9 m/s | 7.4 |
| 1993 ❄️ 🌧️ | 20.7°C | 15.1°C | 9.6°C | 29.7°C | 5.8°C | 87 mm | 67% | 1.7 m/s | 5 |
| 1992 | 26.4°C | 19.6°C | 12.9°C | 35.5°C | 9.5°C | 37 mm | 54% | 1.7 m/s | 6.2 |
| 1991 | 27.1°C | 19.8°C | 12.5°C | 32.5°C | 8.4°C | 30 mm | 57% | 1.9 m/s | 7.3 |
| 1990 | 28.6°C | 21.1°C | 13.6°C | 34.9°C | 6.5°C | 38 mm | 54% | 1.8 m/s | 6.9 |
| 1989 | 27.5°C | 19.9°C | 12.2°C | 34.0°C | 7.7°C | 13 mm | 51% | 1.8 m/s | 7.2 |
| 1988 | 27.7°C | 20.0°C | 12.3°C | 35.4°C | 5.1°C | 12 mm | 49% | 2.1 m/s | 6.7 |
| 1987 | 25.8°C | 19.0°C | 12.1°C | 33.6°C | 7.8°C | 55 mm | 56% | 2.2 m/s | 6.3 |
| 1986 | 24.5°C | 17.5°C | 10.6°C | 32.3°C | 6.1°C | 21 mm | 52% | 2.1 m/s | 6.4 |
| 1985 | 31.8°C | 23.6°C | 15.3°C | 36.7°C | 11.0°C | 5 mm | 42% | 1.8 m/s | 7.8 |
| 1984 | 27.8°C | 20.1°C | 12.4°C | 37.2°C | 7.9°C | 17 mm | 55% | 1.8 m/s | 7.4 |
| 1983 | 23.6°C | 17.1°C | 10.5°C | 32.3°C | 5.4°C | 57 mm | 64% | 2.1 m/s | — |
| 1982 | 25.6°C | 18.5°C | 11.4°C | 34.9°C | 5.1°C | 37 mm | 59% | 2 m/s | — |
| 1981 | 25.6°C | 18.1°C | 10.5°C | 31.8°C | 4.2°C | 16 mm | 57% | 2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 28.2°C with lows near 13.2°C (mean 20.7°C), based on 45 years of NASA POWER data.
July averages 18 mm of rainfall in Spokane, one of the drier months. The wettest on record was 87 mm in 1993.
The hottest July reached 40.2°C in 2021. The coldest dipped to 4.2°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 3.5°C. Daytime highs moved from 26.9°C to 30.8°C and overnight lows from 12°C to 15.2°C over the same span.
July is one of the warmer months of the year in Spokane and one of the drier months, so plan for around 28.2°C daytime highs and 13.2°C at night.
Not quite — July is the 12th coolest month in Spokane, averaging 20.7°C.
For July in Spokane, pack light layers you can adjust through the day, with typical highs of 28.2°C and lows of 13.2°C.
Relative humidity in July averages 52% — relatively dry.
Average wind speed in July is 1.9 m/s. The windiest July on record averaged 2.2 m/s (1987).
The wettest July on record was 1993 with 87 mm. On average, July sees 18 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
