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When is the best time to visit Pittsburgh?
In general the best time to visit Pittsburgh is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sun tanning holiday is June, July, August. Average maximum temperatures are up to +84°F in July and it has 5 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during May - October.
- If you want to avoid wet weather, then your choice is August, September, October with the lowest chance of rain.
Average weather in Pittsburgh in different months
This is the average weather in Pittsburgh for each month based on historic data:
April, May, June usually has good weather. Average maximum temperature reaches +81°F during June.
In January, February, March, July, August, September, October, November, December the weather is average. Expect around 115 rainy days, and the precipitation amounts to approximately 117 mm in July.
Climate in Pittsburgh
Here is the detailed breakdown of the climate in Pittsburgh for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +72°F | +77°F | +84°F | +90°F | +91°F | +99°F | +100°F | +99°F | +95°F | +90°F | +81°F | +75°F |
| Average Maximum Temperature | |||||||||||
| +37°F | +41°F | +52°F | +63°F | +72°F | +81°F | +84°F | +82°F | +75°F | +64°F | +54°F | +43°F |
| Minimum Temperature | |||||||||||
| -18°F | -13°F | -8°F | +18°F | +28°F | +39°F | +46°F | +41°F | +36°F | +25°F | +12°F | -11°F |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 73 | 70 | 66 | 66 | 71 | 74 | 75 | 76 | 77 | 75 | 72 | 74 |
| Rain, mm | |||||||||||
| 58 | 54 | 87 | 108 | 124 | 119 | 117 | 93 | 98 | 89 | 89 | 73 |
| Snow, mm | |||||||||||
| 25 | 23 | 16 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 17 |
| Average wind speed, m/s | |||||||||||
| 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
| Sunny Days | |||||||||||
| 2 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 7 | 5 | 3 |
| Cloud Days | |||||||||||
| 12 | 11 | 9 | 7 | 6 | 7 | 6 | 7 | 8 | 9 | 10 | 11 |
| Rainy Days | |||||||||||
| 7 | 7 | 12 | 17 | 19 | 18 | 19 | 18 | 15 | 15 | 12 | 10 |
| Snowy Days | |||||||||||
| 10 | 8 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
Average Temperature
Here are the average maximum and minimum temperatures in Pittsburgh during the whole year:
The hottest month in Pittsburgh is July with average maximum temperature going up to +84°F. The coldest month is January with the lowest temperatures of +25°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Pittsburgh looks throughout the year, in %:
The most humid month in Pittsburgh is September with average humidity going up to 77%. The least humid month is March with an average humidity of 66%.
Rain
Amount of rainfall in mm. in Pittsburgh during the whole year based on historical data:
The sunniest and driest month is September with approximately 8 sunny days and a total precipitation of around 98 mm. The rainiest and wettest month is May with approximately 19 rainy days and 124 mm of total precipitation.
Snow
Amount of snow in mm. in Pittsburgh during the whole year based on historical data:
The snowiest month is January with approximately 10 snowy days.
FAQ
Frequently asked questions about the weather in Pittsburgh:
What is the hottest month in Pittsburgh?
The hottest month in Pittsburgh is July with average maximum temperature of +84°F.
What is the coldest month in Pittsburgh?
The coldest month in Pittsburgh is January with minimum temperatures of +25°F.
Is Pittsburgh worth visiting in winter?
Winter in Pittsburgh could be a good time to visit, as the weather is generally ok.
When does it rain the least in Pittsburgh?
if you're looking to visit Pittsburgh when it rains the least, you should plan your trip for May, June, July. During this time, rainfall is rare with the driest month being February with only 54 mm of rain.
Other cities in USA
Check out the weather for other cities in USA.
Monthly weather in Pittsburgh
Source of the data
For this page, we’ve looked at the typical weather in Pittsburgh, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.