Yearly weather and climate in Pittsburgh, United States
The yearly weather in Pittsburgh runs from around -2°C in January to 29°C in July. October is the driest month at 6 rainy days; April the wettest at 15. Here is the annual climate data, so you know what you are packing for.
Best time to visit
Weather is fairly consistent year-round. Pack for stable conditions.
Sunshine
Expect up to 11.8 hours of clear skies in Jul, but only 3.2 hours in Jan. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Apr (157mm over 15 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 10°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Pittsburgh, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 541°-229°14Jan
- 1049°-229°11Feb
- 1153°133°14Mar
- 1864°643°15Apr
- 2373°1152°15May
- 2780°1560°12Jun
- 2984°1865°15Jul
- 2781°1763°14Aug
- 2576°1558°12Sep
- 1966°947°6Oct
- 1253°337°8Nov
- 745°032°14Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Oct is typically driest at 6 days (66mm); Apr the wettest at 15 days (157mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 5°C | -2°C | 14 | 124mm |
| Feb | 10°C | -2°C | 11 | 66mm |
| Mar | 11°C | 1°C | 14 | 111mm |
| Apr | 18°C | 6°C | 15 | 157mm |
| May | 23°C | 11°C | 15 | 120mm |
| Jun | 27°C | 15°C | 12 | 103mm |
| Jul | 29°C | 18°C | 15 | 123mm |
| Aug | 27°C | 17°C | 14 | 110mm |
| Sep | 25°C | 15°C | 12 | 89mm |
| Oct | 19°C | 9°C | 6 | 66mm |
| Nov | 12°C | 3°C | 8 | 71mm |
| Dec | 7°C | 0°C | 14 | 74mm |
Weather data by Open-Meteo.com
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