Spokane climate
Spokane is warmest in July, with average highs of 31 °C, and coldest in January, when nights average -4.1 °C. December is the wettest month (77 mm) and August the driest (13 mm). Figures are 1991–2020 climate normals.
Across a full year Spokane averages 545 mm of rain, 90 days above 25 °C and 109 days below freezing.
United States · 571 m elevation · population 229,447 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month July 31 °C
- Coldest month January -4.1 °C
- Driest month August 13 mm
- Wettest month December 77 mm
- Least cloud July 27 % cloud
- Hottest on record June 41 °C
- Coldest on record January -29 °C
What to expectSpokane through the year
Spokane has a clear annual cycle: average daily highs run from 2.6 °C in January to 31 °C in July, a swing of 25 °C in mean temperature across the year.
Counted across a normal year, 90 days a year reach 25 °C, 46 of them reach 30 °C, 109 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in June.
Rain is strongly seasonal. December averages 77 mm against 13 mm in August — 6.1 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 2.6 °C | 67 mm | 74 % |
| February | 5.5 °C | 48 mm | 65 % |
| March | 10.4 °C | 61 mm | 66 % |
| April | 15.2 °C | 50 mm | 62 % |
| May | 20.8 °C | 46 mm | 55 % |
| June | 24.8 °C | 35 mm | 50 % |
| July | 30.6 °C | 13 mm | 27 % |
| August | 30.4 °C | 13 mm | 29 % |
| September | 24.7 °C | 19 mm | 38 % |
| October | 15.9 °C | 45 mm | 53 % |
| November | 7.3 °C | 71 mm | 70 % |
| December | 2.2 °C | 77 mm | 74 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 2.6 °C | -4.1 °C | -1.3 °C | 12.9 °C | -29.2 °C | 0 | 0 | 24 |
| February | 5.5 °C | -3.2 °C | 0.5 °C | 18.1 °C | -27.3 °C | 0 | 0 | 22 |
| March | 10.4 °C | -0.2 °C | 4.5 °C | 21.2 °C | -17.1 °C | 0 | 0 | 16 |
| April | 15.2 °C | 3.2 °C | 8.9 °C | 27.4 °C | -4.1 °C | 0 | 0 | 5 |
| May | 20.8 °C | 7.9 °C | 14.3 °C | 32.6 °C | -1.3 °C | 6 | 1 | 0 |
| June | 24.8 °C | 11.7 °C | 18.3 °C | 40.8 °C | 3.8 °C | 14 | 4 | 0 |
| July | 30.6 °C | 16.0 °C | 23.5 °C | 39.3 °C | 7.3 °C | 27 | 18 | 0 |
| August | 30.4 °C | 15.7 °C | 23.1 °C | 39.7 °C | 6.5 °C | 28 | 17 | 0 |
| September | 24.7 °C | 11.1 °C | 17.6 °C | 35.4 °C | 0.7 °C | 14 | 5 | 0 |
| October | 15.9 °C | 5.1 °C | 9.9 °C | 30.8 °C | -15.2 °C | 1 | 0 | 3 |
| November | 7.3 °C | -0.0 °C | 3.0 °C | 19.2 °C | -23.9 °C | 0 | 0 | 15 |
| December | 2.2 °C | -3.7 °C | -1.2 °C | 12.8 °C | -22.5 °C | 0 | 0 | 24 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 67 mm | 12 | 8.9 h/day | 74 % | 84 % | 14 km/h |
| February | 48 mm | 10 | 10 h/day | 65 % | 79 % | 15 km/h |
| March | 61 mm | 12 | 12 h/day | 66 % | 73 % | 18 km/h |
| April | 50 mm | 10 | 14 h/day | 62 % | 64 % | 18 km/h |
| May | 46 mm | 8 | 15 h/day | 55 % | 57 % | 17 km/h |
| June | 35 mm | 6 | 16 h/day | 50 % | 52 % | 17 km/h |
| July | 13 mm | 3 | 16 h/day | 27 % | 41 % | 16 km/h |
| August | 13 mm | 2 | 14 h/day | 29 % | 41 % | 15 km/h |
| September | 19 mm | 4 | 13 h/day | 38 % | 51 % | 15 km/h |
| October | 45 mm | 7 | 11 h/day | 53 % | 66 % | 16 km/h |
| November | 71 mm | 12 | 9.3 h/day | 70 % | 81 % | 15 km/h |
| December | 77 mm | 12 | 8.5 h/day | 74 % | 84 % | 14 km/h |
Where Spokane ranks
| Ranking | Position | Value |
|---|---|---|
| Places with the best weather in North America in September | 1stof 50 | 95/100 |
| Places with the best weather in North America in June | 10thof 50 | 94/100 |
| The coolest places in North America in November | 22ndof 50 | 7.3 °C |
| The coolest places in North America in December | 27thof 50 | 2.2 °C |
| Places with the best weather in North America in May | 35thof 50 | 88/100 |
| The coolest places in North America in October | 40thof 50 | 16 °C |
Planning a trip? See the best time to visit Spokane.
QuestionsCommon questions about Spokane’s climate
When is the best time to visit Spokane?
That depends on what you want, so the honest answer is a comparison rather than a single month. June, August, September sit closest to 20 °C on average, July is the warmest month and August the driest. The month-by-month table above has the full picture.
How hot does Spokane get?
In July, the warmest month, daily highs average 31 °C. About 46 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.
How cold does it get in winter?
Nights average -4.1 °C in January, the coldest month. A normal year has 109 nights below freezing.
Which month is wettest in Spokane?
December, averaging 77 mm over 12 days with rain. The driest month is August with 13 mm. The year as a whole averages 545 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Spokane rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.