Pittsburgh Weather by Month
Twelve months of Pittsburgh, United States weather — averages from 2006–2025.
Pittsburgh's warmest month is July (average high 28.6°C (83.5°F)) and the coolest is January (2.9°C (37.2°F)). The most rain falls in June (about 145 mm), and November is the driest (about 75 mm). July is the sunniest, with about 11.5 hours of sunshine a day.
Best months to visit Pittsburgh
Ranked within Pittsburgh's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Pittsburgh month by month
January
PoorHigh 2.9°C (37.2°F)
Low -5.3°C (22.5°F)
- Rainfall
- 88 mm (3.5 in)
- Rainy days
- 12 rainy days
- Sunshine
- 4.7 h sunshine / day
February
PoorHigh 4.8°C (40.6°F)
Low -5°C (23°F)
- Rainfall
- 93 mm (3.7 in)
- Rainy days
- 12 rainy days
- Sunshine
- 6.1 h sunshine / day
March
FairHigh 10.8°C (51.4°F)
Low 0.1°C (32.2°F)
- Rainfall
- 103 mm (4 in)
- Rainy days
- 13 rainy days
- Sunshine
- 7.5 h sunshine / day
April
GoodHigh 16.7°C (62.1°F)
Low 5.5°C (41.9°F)
- Rainfall
- 119 mm (4.7 in)
- Rainy days
- 14 rainy days
- Sunshine
- 8.8 h sunshine / day
May
GoodHigh 22°C (71.6°F)
Low 11.6°C (52.9°F)
- Rainfall
- 126 mm (5 in)
- Rainy days
- 15 rainy days
- Sunshine
- 10.3 h sunshine / day
June
GoodHigh 26.3°C (79.3°F)
Low 16.4°C (61.5°F)
- Rainfall
- 145 mm (5.7 in)
- Rainy days
- 15 rainy days
- Sunshine
- 11.4 h sunshine / day
July
GoodHigh 28.6°C (83.5°F)
Low 18.8°C (65.8°F)
- Rainfall
- 115 mm (4.5 in)
- Rainy days
- 15 rainy days
- Sunshine
- 11.5 h sunshine / day
August
GoodHigh 27.7°C (81.9°F)
Low 18°C (64.4°F)
- Rainfall
- 95 mm (3.7 in)
- Rainy days
- 12 rainy days
- Sunshine
- 10.9 h sunshine / day
September
GreatHigh 24.5°C (76.1°F)
Low 14.8°C (58.6°F)
- Rainfall
- 96 mm (3.8 in)
- Rainy days
- 10 rainy days
- Sunshine
- 9.3 h sunshine / day
October
GoodHigh 17.7°C (63.9°F)
Low 8.7°C (47.7°F)
- Rainfall
- 104 mm (4.1 in)
- Rainy days
- 12 rainy days
- Sunshine
- 7.3 h sunshine / day
November
FairHigh 10.8°C (51.4°F)
Low 2.3°C (36.1°F)
- Rainfall
- 75 mm (3 in)
- Rainy days
- 9 rainy days
- Sunshine
- 6.3 h sunshine / day
December
PoorHigh 5.8°C (42.4°F)
Low -1.6°C (29.1°F)
- Rainfall
- 100 mm (4 in)
- Rainy days
- 12 rainy days
- Sunshine
- 4.4 h sunshine / day
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Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.