Climate Insights for Bonners Ferry

The climate in Bonners Ferry is cool. The average annual temperature is 8°C and approximately 914mm of precipitation falls per year. Dicembre is the wettest month, receiving around 138mm of rainfall. Bonners Ferry is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Febbraio, Gennaio, Dicembre, when temperatures can drop to -6°C. Bonners Ferry experiences heavy snowfall, typically from January through December.

Temperatures in Bonners Ferry vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 28°C and the mean temperature sits around 21°C. The coldest month is Febbraio, when overnight lows fall to -6°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.

Bonners Ferry is a moderately rainy area, receiving approximately 914mm of precipitation annually, which averages out to around 76mm per month. The wettest month is December, averaging 138mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 13mm. That's 124mm 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. Bonners Ferry receives heavy snowfall, accumulating around 274cm annually from January through December. The snowiest month is December, with approximately 74cm. Winter travel should account for significant snow cover.

Bonners Ferry is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 12km/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. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 12km/h in spring, 12km/h in summer, 10km/h in autumn.

It is currently winter in Bonners Ferry, which began on December 21, 2026. Bonners Ferry 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 Luglio at around 28°C, while the coldest stretch bottoms out in Febbraio near -6°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Bonners Ferry is during Giugno, Luglio and Agosto, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 27mm per month. By contrast, Febbraio can be quite cold with temperatures dropping to -6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Bonners Ferry 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.