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Grand Junction, Colorado Climate Averages

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Grand Junction Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 37°F Lo 15°F Hi 42°F Lo 20°F Hi 53°F Lo 29°F Hi 62°F Lo 34°F Hi 72°F Lo 41°F Hi 85°F Lo 50°F Hi 90°F Lo 56°F Hi 87°F Lo 54°F Hi 80°F Lo 48°F Hi 64°F Lo 36°F Hi 52°F Lo 27°F Hi 39°F Lo 18°F
4 mph 5 mph 7 mph 8 mph 7 mph 8 mph 6 mph 6 mph 6 mph 6 mph 5 mph 5 mph
1.3 in 1.6 in 1.9 in 1.4 in 1.3 in 1 in 1.7 in 1.9 in 1.6 in 1.6 in 1.3 in 1.8 in
74% 67% 53% 42% 36% 29% 36% 37% 37% 43% 51% 66%
29% 30% 25% 22% 17% 10% 14% 11% 11% 13% 17% 27%
30.3 in 30.1 in 30.0 in 29.9 in 29.9 in 29.9 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.2 in
17 15 21 25 28 29 29 28 28 27 25 19
5 5 6 3 3 1 2 3 2 3 2 4
10 9 4 2 0 0 0 0 0 1 3 8
7 4 1 0 0 0 0 0 0 0 0 2
2 2 3 4 5 6 6 6 5 3 2 2
328 301 343 346 365 356 365 368 356 365 350 340
January
February
March
April
May
June
July
August
September
October
November
December
Hi 3°C Lo -9°C Hi 6°C Lo -7°C Hi 12°C Lo -2°C Hi 16°C Lo 1°C Hi 22°C Lo 5°C Hi 30°C Lo 10°C Hi 32°C Lo 13°C Hi 31°C Lo 12°C Hi 27°C Lo 9°C Hi 18°C Lo 2°C Hi 11°C Lo -3°C Hi 4°C Lo -8°C
7 km/h 8 km/h 11 km/h 12 km/h 12 km/h 12 km/h 10 km/h 10 km/h 10 km/h 9 km/h 8 km/h 7 km/h
34 mm 40 mm 49 mm 37 mm 32 mm 24 mm 42 mm 49 mm 40 mm 40 mm 33 mm 45 mm
74% 67% 53% 42% 36% 29% 36% 37% 37% 43% 51% 66%
29% 30% 25% 22% 17% 10% 14% 11% 11% 13% 17% 27%
1025 mb 1020 mb 1017 mb 1013 mb 1012 mb 1012 mb 1015 mb 1015 mb 1016 mb 1017 mb 1020 mb 1022 mb
17 15 21 25 28 29 29 28 28 27 25 19
5 5 6 3 3 1 2 3 2 3 2 4
10 9 4 2 0 0 0 0 0 1 3 8
7 4 1 0 0 0 0 0 0 0 0 2
2 2 3 4 5 6 6 6 5 3 2 2
328 301 343 346 365 356 365 368 356 365 350 340
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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