Pittsburgh Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Pittsburgh year round climate
Spring (March–May): Average 6.2–17.1°C, mild and rainy, with the most rainfall in April; plants begin to grow. Common activities: Hiking, visiting museums. Suggested clothing: Light jacket, comfortable long pants or skirt.
Summer (June–August): Average 20.9–23.8°C, warm and humid, with occasional showers. Common activities: Water activities, outdoor picnics, visiting city parks. Suggested clothing: Breathable clothing, short-sleeved t-shirts, shorts.
Autumn (September–November): Average 12.7–19.5°C, comfortable and pleasant, with gradually cooling temperatures; colorful autumn leaves are a great sight. Common activities: Leaf-peeping, outdoor sports. Suggested clothing: Light jacket, long-sleeved shirts, comfortable pants.
Winter (December–February): Average -0.4–3.0°C, cold and dry, with possible snowfall. Common activities: Skiing, indoor activities. Suggested clothing: Warm coat, hat, scarf, gloves.
Pittsburgh climatological average
Annual average temperature: approx. 12°C / Annual rainfall: approx. 1000 mm / Summer humidity: 65%–75% / Rainiest month: April
Pittsburgh monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-0.4°C
104
February
2.8°C
66.3
March
6.2°C
80.3
April
11.6°C
113.3
May
17.1°C
105
June
20.9°C
78.7
July
23.8°C
98
August
22.6°C
95
September
19.5°C
75.3
October
12.7°C
48
November
7.3°C
77.3
December
3°C
59
Pittsburgh weather for the next seven days
1/11
Sunday
Light freezing rain
1.2°C/-2.3°C
1/12
Monday
Overcast
2.8°C/-3.4°C
1/13
Tuesday
Overcast
6°C/-1.7°C
1/14
Wednesday
Moderate rain
6.4°C/2°C
1/15
Thursday
Heavy snow
-1.8°C/-7.6°C
1/16
Friday
Light freezing rain
-2.5°C/-8.6°C
1/17
Saturday
Light freezing rain
0.6°C/-8.7°C
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