Annual Weather Averages Near Trail
Averages are for Castlegar Airport, which is 14 miles from Trail.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Trail
High Temp: 85 °F
Low Temp: 26 °F
Mean Temp: 48 °F
Precipitation: 2.42"
Humidity: 67%
Dew Point: 37 °F
Wind: 10 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
January Climate & Weather Averages in Trail
High Temp: 34 °F
Low Temp: 26 °F
Mean Temp: 30 °F
Precipitation: 3.24"
Humidity: 84%
Dew Point: 26 °F
Wind: 9 mph
Pressure: 30.17 "Hg
Visibility: 11 mi
February Climate & Weather Averages in Trail
High Temp: 38 °F
Low Temp: 26 °F
Mean Temp: 32 °F
Precipitation: 1.94"
Humidity: 76%
Dew Point: 25 °F
Wind: 9 mph
Pressure: 30.11 "Hg
Visibility: 12 mi
March Climate & Weather Averages in Trail
High Temp: 49 °F
Low Temp: 31 °F
Mean Temp: 40 °F
Precipitation: 2.65"
Humidity: 68%
Dew Point: 29 °F
Wind: 10 mph
Pressure: 30.04 "Hg
Visibility: 13 mi
April Climate & Weather Averages in Trail
High Temp: 59 °F
Low Temp: 36 °F
Mean Temp: 48 °F
Precipitation: 2.15"
Humidity: 58%
Dew Point: 33 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 14 mi
May Climate & Weather Averages in Trail
High Temp: 69 °F
Low Temp: 44 °F
Mean Temp: 57 °F
Precipitation: 2.52"
Humidity: 55%
Dew Point: 41 °F
Wind: 11 mph
Pressure: 29.95 "Hg
Visibility: 15 mi
June Climate & Weather Averages in Trail
High Temp: 75 °F
Low Temp: 50 °F
Mean Temp: 63 °F
Precipitation: 2.90"
Humidity: 57%
Dew Point: 48 °F
Wind: 11 mph
Pressure: 29.92 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Trail
High Temp: 85 °F
Low Temp: 55 °F
Mean Temp: 70 °F
Precipitation: 1.46"
Humidity: 49%
Dew Point: 50 °F
Wind: 11 mph
Pressure: 29.94 "Hg
Visibility: 15 mi
August Climate & Weather Averages in Trail
High Temp: 85 °F
Low Temp: 53 °F
Mean Temp: 69 °F
Precipitation: 0.99"
Humidity: 48%
Dew Point: 49 °F
Wind: 10 mph
Pressure: 29.94 "Hg
Visibility: 15 mi
September Climate & Weather Averages in Trail
High Temp: 72 °F
Low Temp: 46 °F
Mean Temp: 59 °F
Precipitation: 1.56"
Humidity: 60%
Dew Point: 45 °F
Wind: 9 mph
Pressure: 30.00 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Trail
High Temp: 55 °F
Low Temp: 38 °F
Mean Temp: 47 °F
Precipitation: 2.45"
Humidity: 75%
Dew Point: 39 °F
Wind: 9 mph
Pressure: 30.08 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Trail
High Temp: 41 °F
Low Temp: 32 °F
Mean Temp: 37 °F
Precipitation: 3.47"
Humidity: 83%
Dew Point: 32 °F
Wind: 8 mph
Pressure: 30.12 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Trail
High Temp: 33 °F
Low Temp: 26 °F
Mean Temp: 29 °F
Precipitation: 3.71"
Humidity: 84%
Dew Point: 25 °F
Wind: 9 mph
Pressure: 30.16 "Hg
Visibility: 11 mi