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Boundary Trail, Montana Climate Averages

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Boundary Trail Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 27°F Lo 10°F Hi 27°F Lo 7°F Hi 36°F Lo 17°F Hi 43°F Lo 22°F Hi 56°F Lo 30°F Hi 66°F Lo 36°F Hi 77°F Lo 42°F Hi 75°F Lo 41°F Hi 65°F Lo 35°F Hi 47°F Lo 25°F Hi 34°F Lo 17°F Hi 25°F Lo 8°F
7 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 mph 6 mph 6 mph 7 mph 6 mph
4.9 in 4.8 in 5.1 in 4 in 4.7 in 3.9 in 1.6 in 1.9 in 1.8 in 4 in 5 in 5.3 in
94% 93% 90% 83% 75% 68% 55% 56% 64% 78% 88% 93%
71% 69% 61% 52% 41% 32% 15% 16% 25% 41% 58% 69%
30.2 in 30.1 in 30.0 in 30.0 in 29.9 in 29.9 in 29.9 in 29.9 in 30.0 in 30.0 in 30.1 in 30.1 in
2 2 3 5 13 20 27 27 24 14 3 3
5 5 10 9 12 10 4 4 4 8 7 5
25 24 23 17 6 0 0 0 1 9 21 25
11 10 8 6 4 4 1 2 2 4 5 10
1 1 1 2 3 5 6 4 3 1 1 1
167 180 246 270 311 321 363 360 334 299 238 180
January
February
March
April
May
June
July
August
September
October
November
December
Hi -3°C Lo -12°C Hi -3°C Lo -14°C Hi 2°C Lo -9°C Hi 6°C Lo -6°C Hi 13°C Lo -1°C Hi 19°C Lo 2°C Hi 25°C Lo 5°C Hi 24°C Lo 5°C Hi 18°C Lo 2°C Hi 9°C Lo -4°C Hi 1°C Lo -9°C Hi -4°C Lo -14°C
11 km/h 10 km/h 10 km/h 10 km/h 9 km/h 10 km/h 9 km/h 8 km/h 9 km/h 10 km/h 11 km/h 10 km/h
123 mm 122 mm 130 mm 102 mm 119 mm 99 mm 39 mm 49 mm 46 mm 101 mm 127 mm 134 mm
94% 93% 90% 83% 75% 68% 55% 56% 64% 78% 88% 93%
71% 69% 61% 52% 41% 32% 15% 16% 25% 41% 58% 69%
1021 mb 1021 mb 1017 mb 1015 mb 1014 mb 1012 mb 1014 mb 1013 mb 1015 mb 1017 mb 1019 mb 1020 mb
2 2 3 5 13 20 27 27 24 14 3 3
5 5 10 9 12 10 4 4 4 8 7 5
25 24 23 17 6 0 0 0 1 9 21 25
11 10 8 6 4 4 1 2 2 4 5 10
1 1 1 2 3 5 6 4 3 1 1 1
167 180 246 270 311 321 363 360 334 299 238 180
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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