Our verdict
The best time to visit Pittsburgh is September-October
In summer, the temperature in Pittsburgh can rise as high as 31℃ (88℉). The average low temperatures in winter float around -6℃ (21℉), while the coldest it gets down to is about -11℃ (13℉).
The longest days between sunrise and sunset in Pittsburgh are usually in August, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. May sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in November instead.
Continue reading to find out loads more about when to travel to Pittsburgh, then use the handy tools below to search for the best flight and hotel options that are right for you.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Pittsburgh seasons
Before you continue, it’s important to know when the seasons are in Pittsburgh as they might be different to yours depending on where in the world you’re travelling from. Pittsburgh is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Pittsburgh
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Pittsburgh for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Pittsburgh climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Pittsburgh for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Pittsburgh in January
- Average temperature: -3℃ (27℉)
- Average high temperature: 1℃ (33℉)
- Average low temperature: -6℃ (21℉)
- Average humidity: 84%
- Average sunny days: 11 days
- Average rainfall: 43mm (2") over 9 days
- Average snow days: 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Pittsburgh in February
- Average temperature: -1℃ (31℉)
- Average high temperature: 3℃ (38℉)
- Average low temperature: -5℃ (23℉)
- Average humidity: 84%
- Average sunny days: 10 days
- Average rainfall: 49mm (2") over 9 days
- Average snow days: 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Pittsburgh in March
- Average temperature: 4℃ (40℉)
- Average high temperature: 9℃ (48℉)
- Average low temperature: -0℃ (32℉)
- Average humidity: 77%
- Average sunny days: 12 days
- Average rainfall: 52mm (2") over 13 days
- Average snow days: 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Pittsburgh in April
- Average temperature: 11℃ (51℉)
- Average high temperature: 16℃ (61℉)
- Average low temperature: 5℃ (41℉)
- Average humidity: 75%
- Average sunny days: 12 days
- Average rainfall: 70mm (3") over 16 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in April, make sure you pack a warm jacket or coat.
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Pittsburgh in May
- Average temperature: 17℃ (62℉)
- Average high temperature: 23℃ (72℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 76%
- Average sunny days: 10 days
- Average rainfall: 78mm (3") over 19 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in May, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Pittsburgh in June
- Average temperature: 20℃ (69℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 14℃ (58℉)
- Average humidity: 76%
- Average sunny days: 13 days
- Average rainfall: 66mm (3") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Pittsburgh in July
- Average temperature: 23℃ (73℉)
- Average high temperature: 29℃ (84℉)
- Average low temperature: 17℃ (62℉)
- Average humidity: 74%
- Average sunny days: 11 days
- Average rainfall: 67mm (3") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Pittsburgh in August
- Average temperature: 22℃ (71℉)
- Average high temperature: 28℃ (82℉)
- Average low temperature: 16℃ (61℉)
- Average humidity: 73%
- Average sunny days: 14 days
- Average rainfall: 48mm (2") over 15 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Pittsburgh in September
- Average temperature: 18℃ (65℉)
- Average high temperature: 24℃ (76℉)
- Average low temperature: 13℃ (56℉)
- Average humidity: 76%
- Average sunny days: 14 days
- Average rainfall: 54mm (2") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
Pittsburgh in October
- Average temperature: 12℃ (54℉)
- Average high temperature: 17℃ (62℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 78%
- Average sunny days: 15 days
- Average rainfall: 53mm (2") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in October, make sure you pack a warm jacket or coat.
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Pittsburgh in November
- Average temperature: 5℃ (42℉)
- Average high temperature: 10℃ (49℉)
- Average low temperature: 1℃ (34℉)
- Average humidity: 77%
- Average sunny days: 17 days
- Average rainfall: 39mm (2") over 10 days
- Average snow days: 3 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Pittsburgh in December
- Average temperature: 1℃ (34℉)
- Average high temperature: 4℃ (40℉)
- Average low temperature: -2℃ (28℉)
- Average humidity: 83%
- Average sunny days: 12 days
- Average rainfall: 54mm (2") over 11 days
- Average snow days: 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Pittsburgh in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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