Climate Insights for Spokane

The climate in Spokane is temperate. The average annual temperature is 10°C and approximately 575mm of precipitation falls per year. December is the wettest month, receiving around 86mm of rainfall. Spokane is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to -3°C. Snowfall occurs from January to December, with around 136cm accumulating over the season.

Temperatures in Spokane vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 24°C. The coldest month is February, when overnight lows fall to -3°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.

Spokane is a relatively dry area, receiving approximately 575mm of precipitation annually, which averages out to around 48mm per month. The wettest month is December, averaging 86mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 81mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 136cm accumulating over the season. December typically sees the most snow at around 40cm.

Spokane is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently summer in Spokane, which began on June 21, 2026. Spokane is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 32°C, while the coldest stretch bottoms out in February near -3°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Spokane is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 16mm per month. By contrast, February can be quite cold with temperatures dropping to -3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Spokane based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.