Weather in Pittsburgh

• All Year
• Winter
• Spring
• Summer
• Autumn

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Conditions

• In Pittsburgh, the total sun hours tend to increase steadily from January to June, peaking at 6.0h in June, before slightly declining in the latter half of the year. Conversely, precipitation levels vary less dramatically, with relatively consistent rain throughout the year, though June experiences a notable increase in sunshine despite the ongoing moisture levels.

• Overall, the trend shows that while sunshine hours reach their highest during the summer months, precipitation remains fairly stable, indicating a humid climate that balances sunny days with regular rainfall. This pattern may influence outdoor activities and agriculture in the region, particularly favoring the summer growing season.

Astronomy

• In Pittsburgh, the earliest sunrise occurs in June at 5:50 AM, while the latest occurs in January at 7:39 AM, indicating a significant variation in sunrise times throughout the year.

• The city's sunset times vary from 4:56 PM in December, the earliest, to 8:51 PM in June, the latest, leading to a drastic change in day length; the shortest day is only 9 hours and 20 minutes in December compared to a long 15 hours in June.

• This highlights the seasonal extremes in day length, with Pittsburgh experiencing notable differences in both morning and evening light as the year progresses.