Hamilton Lake, Washington Climate Averages

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Hamilton Lake Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 46°F Lo 36°F Hi 47°F Lo 35°F Hi 51°F Lo 38°F Hi 57°F Lo 41°F Hi 65°F Lo 46°F Hi 71°F Lo 50°F Hi 79°F Lo 55°F Hi 79°F Lo 56°F Hi 72°F Lo 52°F Hi 60°F Lo 46°F Hi 50°F Lo 40°F Hi 45°F Lo 36°F
5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 4 mph 5 mph 5 mph
7.5 in 5.7 in 6.8 in 4.6 in 2.9 in 1.7 in 0.4 in 1 in 2.6 in 5.8 in 8.7 in 8.4 in
86% 84% 82% 77% 73% 71% 67% 69% 73% 78% 84% 86%
62% 62% 61% 55% 47% 41% 26% 27% 37% 47% 60% 64%
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 30.0 in 30.1 in
18 15 17 20 24 25 29 29 24 22 17 17
12 11 13 10 7 5 2 2 6 9 13 13
1 2 1 0 0 0 0 0 0 0 0 1
1 1 1 0 0 0 0 0 0 0 0 0
2 2 2 3 4 5 5 4 4 3 2 2
106 86 94 114 147 167 240 259 200 160 104 98
January
February
March
April
May
June
July
August
September
October
November
December
Hi 8°C Lo 2°C Hi 8°C Lo 2°C Hi 11°C Lo 3°C Hi 14°C Lo 5°C Hi 18°C Lo 8°C Hi 22°C Lo 10°C Hi 26°C Lo 13°C Hi 26°C Lo 13°C Hi 22°C Lo 11°C Hi 16°C Lo 8°C Hi 10°C Lo 4°C Hi 7°C Lo 2°C
8 km/h 8 km/h 8 km/h 8 km/h 7 km/h 7 km/h 7 km/h 6 km/h 6 km/h 7 km/h 8 km/h 8 km/h
190 mm 144 mm 173 mm 116 mm 73 mm 43 mm 11 mm 26 mm 67 mm 146 mm 221 mm 214 mm
86% 84% 82% 77% 73% 71% 67% 69% 73% 78% 84% 86%
62% 62% 61% 55% 47% 41% 26% 27% 37% 47% 60% 64%
1019 mb 1018 mb 1017 mb 1018 mb 1017 mb 1017 mb 1017 mb 1016 mb 1016 mb 1017 mb 1018 mb 1018 mb
18 15 17 20 24 25 29 29 24 22 17 17
12 11 13 10 7 5 2 2 6 9 13 13
1 2 1 0 0 0 0 0 0 0 0 1
1 1 1 0 0 0 0 0 0 0 0 0
2 2 2 3 4 5 5 4 4 3 2 2
106 86 94 114 147 167 240 259 200 160 104 98
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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