Spring (March–May): Average 41–60°F, mild climate, but cold snaps are still possible in early spring, moderate rainfall. Common activities: Outdoor walks, flower viewing. Recommended clothing: Light jacket, long-sleeved shirts, warmer clothing for mornings and evenings.
Summer (June–August): Average 68–73°F, hot and humid, occasional showers. Common activities: Swimming, camping, outdoor barbecues. Recommended clothing: Light and breathable clothing, short sleeves, shorts.
Autumn (September–November): Average 51–62°F, comfortable and pleasant climate, colorful autumn leaves are a highlight of autumn, rainfall gradually decreases. Common activities: Viewing maple leaves, hiking. Recommended clothing: Comfortable long-sleeved shirts, light jackets.
Winter (December–February): Average -33–42°F, cold, high probability of snowfall, significant snow accumulation in some areas. Common activities: Skiing, indoor activities. Recommended clothing: Warm coats, hats, gloves, scarves.
Weather in Pennsylvania
Annual average temperature: approx. 51.8°F / Annual rainfall: approx. 1151 mm / Summer humidity: 65%–75% / Rainiest month: April
Pennsylvania weather by month
Month
Temperature (°F)
Rainfall (mm)
January
30.4°F
97.1
February
34.5°F
75.4
March
41°F
87.8
April
50.9°F
144.8
May
60.6°F
99
June
68.2°F
90.3
July
73.2°F
88
August
70°F
135.7
September
63.1°F
86.1
October
52.7°F
44.1
November
43°F
71.7
December
33.4°F
131.3
7-day weather forecast for Pennsylvania
10/28
Wednesday
Overcast
62.2°F/41.8°F
10/29
Thursday
Sunny
68.9°F/42.5°F
10/30
Friday
Sunny
60.8°F/42.2°F
10/31
Saturday
Overcast
58.9°F/36°F
11/1
Sunday
Overcast
63.3°F/43.4°F
11/2
Monday
Patchy rain nearby
61.4°F/44.9°F
11/3
Tuesday
Partly Cloudy
66.6°F/46.4°F
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