Alpha, Washington Climate Averages

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Alpha Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 45°F Lo 34°F Hi 46°F Lo 33°F Hi 50°F Lo 35°F Hi 56°F Lo 38°F Hi 64°F Lo 43°F Hi 70°F Lo 47°F Hi 78°F Lo 51°F Hi 79°F Lo 53°F Hi 72°F Lo 49°F Hi 60°F Lo 43°F Hi 49°F Lo 38°F Hi 44°F Lo 34°F
5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 5 mph 5 mph
7.8 in 6.9 in 8.2 in 5.5 in 3.5 in 2.2 in 0.5 in 1.5 in 2.9 in 6.8 in 10.1 in 11 in
86% 87% 85% 81% 77% 75% 70% 71% 75% 79% 85% 87%
62% 66% 65% 60% 53% 47% 32% 32% 41% 50% 63% 66%
30.1 in 30.1 in 30.0 in 30.1 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.1 in
16 12 15 18 23 25 30 29 24 21 15 14
13 13 14 11 8 5 1 2 6 10 14 15
2 3 2 0 0 0 0 0 0 0 1 2
1 1 2 1 1 1 1 1 2 1 1 1
2 2 2 3 4 4 5 4 3 2 1 2
105 80 83 103 140 164 241 241 197 154 97 94
January
February
March
April
May
June
July
August
September
October
November
December
Hi 7°C Lo 1°C Hi 8°C Lo 1°C Hi 10°C Lo 2°C Hi 13°C Lo 3°C Hi 18°C Lo 6°C Hi 21°C Lo 9°C Hi 25°C Lo 11°C Hi 26°C Lo 12°C Hi 22°C Lo 10°C Hi 15°C Lo 6°C Hi 10°C Lo 3°C Hi 7°C Lo 1°C
8 km/h 7 km/h 7 km/h 7 km/h 6 km/h 6 km/h 6 km/h 6 km/h 6 km/h 7 km/h 8 km/h 8 km/h
199 mm 175 mm 208 mm 141 mm 89 mm 55 mm 12 mm 37 mm 74 mm 173 mm 256 mm 279 mm
86% 87% 85% 81% 77% 75% 70% 71% 75% 79% 85% 87%
62% 66% 65% 60% 53% 47% 32% 32% 41% 50% 63% 66%
1020 mb 1018 mb 1017 mb 1018 mb 1017 mb 1017 mb 1017 mb 1016 mb 1016 mb 1017 mb 1018 mb 1018 mb
16 12 15 18 23 25 30 29 24 21 15 14
13 13 14 11 8 5 1 2 6 10 14 15
2 3 2 0 0 0 0 0 0 0 1 2
1 1 2 1 1 1 1 1 2 1 1 1
2 2 2 3 4 4 5 4 3 2 1 2
105 80 83 103 140 164 241 241 197 154 97 94
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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