Annual Weather Averages Near Trail
Averages are for Castlegar Airport, which is 14 miles from Trail.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Trail
High Temp: 84 °F
Low Temp: 26 °F
Mean Temp: 48 °F
Precipitation: 1.13"
Humidity: 67%
Dew Point: 37 °F
Wind: 5 mph
Pressure: 30.04 "Hg
Visibility: 13 mi
January Climate & Weather Averages in Trail
High Temp: 34 °F
Low Temp: 26 °F
Mean Temp: 30 °F
Precipitation: 1.04"
Humidity: 83%
Dew Point: 25 °F
Wind: 5 mph
Pressure: 30.17 "Hg
Visibility: 10 mi
February Climate & Weather Averages in Trail
High Temp: 39 °F
Low Temp: 26 °F
Mean Temp: 32 °F
Precipitation: 0.71"
Humidity: 77%
Dew Point: 26 °F
Wind: 5 mph
Pressure: 30.13 "Hg
Visibility: 12 mi
March Climate & Weather Averages in Trail
High Temp: 49 °F
Low Temp: 31 °F
Mean Temp: 40 °F
Precipitation: 1.02"
Humidity: 67%
Dew Point: 29 °F
Wind: 5 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
April Climate & Weather Averages in Trail
High Temp: 59 °F
Low Temp: 36 °F
Mean Temp: 48 °F
Precipitation: 1.43"
Humidity: 58%
Dew Point: 33 °F
Wind: 6 mph
Pressure: 29.99 "Hg
Visibility: 14 mi
May Climate & Weather Averages in Trail
High Temp: 68 °F
Low Temp: 44 °F
Mean Temp: 56 °F
Precipitation: 1.77"
Humidity: 57%
Dew Point: 41 °F
Wind: 6 mph
Pressure: 29.95 "Hg
Visibility: 14 mi
June Climate & Weather Averages in Trail
High Temp: 75 °F
Low Temp: 51 °F
Mean Temp: 63 °F
Precipitation: 1.87"
Humidity: 58%
Dew Point: 48 °F
Wind: 6 mph
Pressure: 29.93 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Trail
High Temp: 84 °F
Low Temp: 55 °F
Mean Temp: 70 °F
Precipitation: 0.80"
Humidity: 51%
Dew Point: 51 °F
Wind: 5 mph
Pressure: 29.94 "Hg
Visibility: 15 mi
August Climate & Weather Averages in Trail
High Temp: 84 °F
Low Temp: 54 °F
Mean Temp: 69 °F
Precipitation: 0.42"
Humidity: 50%
Dew Point: 49 °F
Wind: 5 mph
Pressure: 29.94 "Hg
Visibility: 15 mi
September Climate & Weather Averages in Trail
High Temp: 73 °F
Low Temp: 46 °F
Mean Temp: 60 °F
Precipitation: 0.70"
Humidity: 60%
Dew Point: 45 °F
Wind: 5 mph
Pressure: 30.00 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Trail
High Temp: 56 °F
Low Temp: 39 °F
Mean Temp: 47 °F
Precipitation: 1.07"
Humidity: 75%
Dew Point: 39 °F
Wind: 4 mph
Pressure: 30.09 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Trail
High Temp: 41 °F
Low Temp: 32 °F
Mean Temp: 37 °F
Precipitation: 1.42"
Humidity: 82%
Dew Point: 31 °F
Wind: 5 mph
Pressure: 30.12 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Trail
High Temp: 33 °F
Low Temp: 26 °F
Mean Temp: 30 °F
Precipitation: 1.27"
Humidity: 84%
Dew Point: 25 °F
Wind: 5 mph
Pressure: 30.17 "Hg
Visibility: 10 mi