Spokane, WA Climate & Monthly Averages
Spokane has a Mediterranean climate. July is the hottest month, averaging 88° by day; December is the coldest at 36°.
Winter sets the pace in Spokane
The Spokane year is defined by how long its winter lasts: 5 months average sub-freezing nights, bottoming out in December at 25°F (-4°C). Summer is the short exception, with July reaching 88°F (31°C).
July
88° by day 62° at nightDecember
36° by day 25° at nightThe cold-weather pattern in numbers
December bottoms out at 36°F (2°C) in daylight, 25°F (-4°C) after dark. At its warmest, in July, Spokane runs to 88°F (31°C) in the afternoon and back to 62°F (17°C) by dawn. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 111°F (44°C) and the lowest daily minimum -9°F (-23°C).
Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through June.
Days and nights are about 11°C apart on average - wider than roughly 80% of the cities we track. Between the average July and the average December lie 26°C, a wider spread than roughly 86% of the cities we track. The wettest month is December (2.9 inches (75 mm) across 13 days) and the driest July. Snow falls on roughly 23 days a year, mostly November through April.
More climate facts for Spokane
- Hottest month: July - highs near 88°F (31°C)
- Coldest month: December - highs near 36°F (2°C)
- Decade extremes (2015-2024): 111°F (44°C) high · -9°F (-23°C) low
- Wettest month: December (13 rainy days) · Sunniest: July (14.5 h sun/day)
- Climate type: Mediterranean
- Annual swing: 26°C between the average warmest and coolest month · day to night: 11°C
- Snow: about 23 days a year
- Months averaging 30°C or hotter: 2
- Average humidity: 63%
From snow season to the warmest stretch in Spokane
Spring (March through May)
Spring in Spokane is mild, with daytime highs averaging 59°F (15°C) and nights around 39°F (4°C); expect showers on roughly 27 days across the season, plus about 3 snowy days. Daylight is generous - around 10.3 hours of sun a day.
Summer (June through August)
Summer in Spokane is hot, with daytime highs averaging 84°F (29°C) and nights around 59°F (15°C); rain comes on about 9 days over the three months. Daylight is generous - around 13.5 hours of sun a day.
Fall (September through November)
Fall is crisp but comfortable here - highs near 60°F (16°C), nights near 41°F (5°C), and expect showers on roughly 25 days across the season, plus about 3 snowy days.
Winter (December through February)
Through winter, Spokane is frigid: 38°F (3°C) by day, 25°F (-4°C) after dark, and rain falls on around 36 of the 90 days, plus about 17 snowy days. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
The coldest and warmest values in the dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.
Planning around winter in Spokane
The easier weather window
May to June and September to October is the sweet spot for Spokane - these are the warmest and brightest weeks of the year. Expect 71°F (22°C) in the afternoon and around 6 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in May.
Cold-weather packing
Pack for Spokane with light clothing for the warm months, a heavy insulated coat, hat and gloves for winter and a compact umbrella or rain shell. Even in July, lows of 62°F (17°C) make an extra layer worth the space.
Monthly highs, lows and seasonal change
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 37° | 25° | 13 | 2.4 in | 4.3 h/day | 8.8 h | 42% | 84% |
| February | 41° | 26° | 10 | 1.9 in | 6.1 h/day | 10.2 h | 37% | 76% |
| March | 50° | 31° | 11 | 2.1 in | 8.5 h/day | 11.8 h | 36% | 71% |
| April | 58° | 38° | 9 | 1.6 in | 10.4 h/day | 13.6 h | 30% | 60% |
| May | 70° | 47° | 7 | 1.8 in | 12.0 h/day | 15.1 h | 23% | 56% |
| June | 78° | 55° | 5 | 1.0 in | 13.3 h/day | 16.0 h | 16% | 48% |
| July | 88° | 62° | 2 | 0.2 in | 14.5 h/day | 15.6 h | 5% | 35% |
| August | 87° | 61° | 2 | 0.5 in | 12.7 h/day | 14.3 h | 8% | 39% |
| September | 75° | 52° | 4 | 0.9 in | 10.6 h/day | 12.5 h | 15% | 51% |
| October | 60° | 41° | 8 | 1.9 in | 8.1 h/day | 10.7 h | 27% | 67% |
| November | 45° | 31° | 12 | 2.7 in | 5.2 h/day | 9.2 h | 41% | 81% |
| December | 36° | 25° | 13 | 2.9 in | 3.7 h/day | 8.4 h | 42% | 85% |
The route from winter to summer, month by month
Each card shows the average high and low. The bar places that month between Spokane's coldest night and warmest afternoon.
January
- Rain
- 13 days
- Sunshine
- 4.3 h
- Daylight
- 8.8 h
- Snow
- 5 days
February
- Rain
- 10 days
- Sunshine
- 6.1 h
- Daylight
- 10.2 h
- Snow
- 5 days
March
- Rain
- 11 days
- Sunshine
- 8.5 h
- Daylight
- 11.8 h
- Snow
- 2 days
April
- Rain
- 9 days
- Sunshine
- 10.4 h
- Daylight
- 13.6 h
May
- Rain
- 7 days
- Sunshine
- 12.0 h
- Daylight
- 15.1 h
June
- Rain
- 5 days
- Sunshine
- 13.3 h
- Daylight
- 16.0 h
July
- Rain
- 2 days
- Sunshine
- 14.5 h
- Daylight
- 15.6 h
August
- Rain
- 2 days
- Sunshine
- 12.7 h
- Daylight
- 14.3 h
September
- Rain
- 4 days
- Sunshine
- 10.6 h
- Daylight
- 12.5 h
October
- Rain
- 8 days
- Sunshine
- 8.1 h
- Daylight
- 10.7 h
November
- Rain
- 12 days
- Sunshine
- 5.2 h
- Daylight
- 9.2 h
- Snow
- 2 days
December
- Rain
- 13 days
- Sunshine
- 3.7 h
- Daylight
- 8.4 h
- Snow
- 7 days
Looking for warmer alternatives? Browse warm places by month, or compare Spokane's coolest part of the year: December, January, February.
Where Spokane sits among other climates
- Spokane sits close to the middle of our dataset on most measures: 51°F (10°C) as an annual average, 19.9 inches (507 mm) of precipitation and 9.1 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.