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Porter Square, Massachusetts Climate Averages

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Porter Square Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 33°F Lo 23°F Hi 36°F Lo 23°F Hi 44°F Lo 31°F Hi 56°F Lo 40°F Hi 68°F Lo 50°F Hi 77°F Lo 58°F Hi 83°F Lo 65°F Hi 83°F Lo 65°F Hi 75°F Lo 58°F Hi 62°F Lo 49°F Hi 50°F Lo 38°F Hi 40°F Lo 30°F
9 mph 9 mph 9 mph 8 mph 7 mph 7 mph 6 mph 6 mph 7 mph 8 mph 8 mph 9 mph
4.6 in 5.2 in 5.7 in 5.1 in 4 in 4.6 in 4.7 in 4.1 in 3.2 in 5.3 in 4.4 in 5.6 in
75% 78% 73% 69% 71% 72% 72% 72% 74% 74% 71% 75%
44% 49% 48% 47% 44% 39% 35% 31% 34% 43% 38% 47%
30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 29.9 in 29.9 in 30.0 in 30.0 in 30.0 in 30.1 in 30.0 in
15 12 15 20 24 23 24 26 25 25 22 16
6 6 7 8 7 7 7 5 5 6 6 7
10 11 9 2 0 0 0 0 0 0 2 7
2 3 3 2 4 5 6 5 5 2 1 2
1 2 2 3 5 6 6 6 4 3 2 1
270 225 254 257 279 294 324 336 304 271 273 259
January
February
March
April
May
June
July
August
September
October
November
December
Hi 1°C Lo -5°C Hi 2°C Lo -5°C Hi 7°C Lo -1°C Hi 13°C Lo 5°C Hi 20°C Lo 10°C Hi 25°C Lo 15°C Hi 29°C Lo 18°C Hi 28°C Lo 18°C Hi 24°C Lo 15°C Hi 17°C Lo 9°C Hi 10°C Lo 3°C Hi 4°C Lo -1°C
15 km/h 15 km/h 14 km/h 13 km/h 12 km/h 11 km/h 10 km/h 9 km/h 10 km/h 12 km/h 13 km/h 14 km/h
116 mm 131 mm 144 mm 130 mm 102 mm 118 mm 119 mm 105 mm 81 mm 133 mm 111 mm 143 mm
75% 78% 73% 69% 71% 72% 72% 72% 74% 74% 71% 75%
44% 49% 48% 47% 44% 39% 35% 31% 34% 43% 38% 47%
1016 mb 1016 mb 1017 mb 1015 mb 1016 mb 1013 mb 1014 mb 1015 mb 1018 mb 1016 mb 1018 mb 1017 mb
15 12 15 20 24 23 24 26 25 25 22 16
6 6 7 8 7 7 7 5 5 6 6 7
10 11 9 2 0 0 0 0 0 0 2 7
2 3 3 2 4 5 6 5 5 2 1 2
1 2 2 3 5 6 6 6 4 3 2 1
270 225 254 257 279 294 324 336 304 271 273 259
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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