AI-generatedPittsburgh at a glance
- Best time
- Apr – Oct
- Warmest month
- Jul · 28°
- Sunshine a year
- 1,890 h
- Rain a year
- 1,237 mm
- Climate
- Continental
- Time zone
- UTC−5 / UTC−4
- Elevation
- 233 m
Climate in Pittsburgh
Pittsburgh has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 28 °C, while January is the coolest at 3 °C. With around 1,890 hours of sunshine a year, Pittsburgh is moderately sunny; July is the sunniest month with 7.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: April – October
October is the peak of the hurricane season
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 10°
- Midday, 13:00: about 17°
- Afternoon, 16:00: about 17°
- Evening, 20:00: about 14°
- Night, 23:00: about 12°
07:2918:42
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:13–08:06 · evening 18:05–18:59
- Blue hour
- Morning 07:02–07:13 · evening 18:59–19:09
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Pittsburgh in October?
In October, Pittsburgh is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 95 mm in total. All in all, October is a good month for a holiday in Pittsburgh.
More details for October
- Daylight
- 11 h 12 min07:29 – 18:42
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 57 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 50 %96 %
- Sunshineweight 20 %28 %
- Few rainy daysweight 30 %52 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Pittsburgh
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.7 of 11.2 hours of daylight in Pittsburgh, 42 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Pittsburgh
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 35 min
- Fair skin
- about 40 min
- Light brown skin
- about 60 min
- Olive skin
- about 75 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Pittsburgh: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Pittsburgh has about 11 rainy days with 95 mm of rain in total.
Wind and clouds in Pittsburgh
How breezy and how cloudy Pittsburgh is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Pittsburgh typically peaks at 15 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 57 % of the sky over Pittsburgh: variable cloud, with about 4.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Pittsburgh
How often the day gets hot in Pittsburgh (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Pittsburgh has about 0 hot days, with an average daytime high of 18 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Pittsburgh
Snow is possible in Pittsburgh, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Pittsburgh.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Pittsburgh
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- muggy month (10+ muggy days)
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening. Muggy on about 1 days (dew point 18 °C or more).
The coolest nights are in January (−6°), the warmest in July (19°). Nights are pleasant for sleeping (15 to 20 °C) from June to September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 46 days a year, mostly from June to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 12 | 3° | −6° | 2.9 h | 12 | 94 |
| FebruaryFeb | 17 | 5° | −4° | 3.9 h | 11 | 85 |
| MarchMar | 29 | 10° | 0° | 4.9 h | 13 | 101 |
| AprilApr | 63 | 17° | 6° | 5.9 h | 14 | 118 |
| MayMay | 68 | 22° | 12° | 6.4 h | 15 | 133 |
| JuneJun | 73 | 26° | 16° | 7.1 h | 14 | 129 |
| JulyJul | 65 | 28° | 19° | 7.4 h | 14 | 115 |
| AugustAug | 72 | 28° | 18° | 6.6 h | 12 | 93 |
| SeptemberSep | 75 | 24° | 15° | 5.7 h | 10 | 104 |
| OctoberOct | 69 | 18° | 9° | 4.7 h | 11 | 95 |
| NovemberNov | 34 | 11° | 3° | 3.9 h | 10 | 83 |
| DecemberDec | 14 | 5° | −2° | 2.7 h | 12 | 89 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
40.44° N, 80.00° W · 233 m · America/New_York
Best time to visit Pittsburgh
The best time to visit Pittsburgh is from April to October. For sightseeing, day trips and hiking, conditions are most comfortable from September to October. Rain is most frequent in January and from March to August; the wettest month is May with 133 mm.
Pittsburgh through the seasons
How the weather changes over the seasons, with averages for each.
Pittsburgh in spring
Mar – May
Fair
- 10–22 °C by day
- 6 h of sun a day
- 41 rainy days in all
Pittsburgh in summer
Jun – Aug
Good
- 26–28 °C by day
- 7 h of sun a day
- 40 rainy days in all
Pittsburgh in autumn
Sep – Nov
Fair
- 11–24 °C by day
- 5 h of sun a day
- 31 rainy days in all
Pittsburgh in winter
Dec – Feb
Poor
- 3–5 °C by day
- 3 h of sun a day
- 35 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Pittsburgh for you.
Your best months: May, September
Based on the climate averages; tap a month to see its details.
Compare two months in Pittsburgh
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
September has the better holiday weather in Pittsburgh: score 75 against 69. In September, days are 6 °C warmer than in October. September has one rainy day fewer. The sun shines an hour longer a day in September.
| Month | October | September |
|---|---|---|
| Weather score | 69 | 75better |
| Day high | 18° | 24° |
| Night low | 9° | 15° |
| Sunshine | 4.7 h | 5.7 hbetter |
| Rainy days | 11 | 10better |
| Rainfall | 95 mm | 104 mm |
| Muggy days | 1better | 5 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Sep – Oct
15–28 °C and not too much rain
Rainy months
Jan, Mar – Aug
12 or more rainy days
Snow
Dec – Mar
Snow on 2 or more days
Pittsburgh month by month
The typical weather for every month at a glance.
12January3° · 3 h
In January, Pittsburgh is freezing cold: daytime highs average 3 °C, and nights often drop below freezing (−6 °C). The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 12 days, totalling 94 mm. Snow falls on about 5 days. All in all, January is not an ideal month for a holiday in Pittsburgh.
Pittsburgh in January17February5° · 4 h
In February, Pittsburgh is cold: daytime highs average 5 °C, and nights often drop below freezing (−4 °C). The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 85 mm in total. Snow falls on about 4 days. All in all, February is not an ideal month for a holiday in Pittsburgh.
Pittsburgh in February29March10° · 5 h
In March, Pittsburgh is cool: daytime highs average 10 °C, and nights cool down to about 0 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 101 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Pittsburgh.
Pittsburgh in March63April17° · 6 h
In April, Pittsburgh is mild: daytime highs average 17 °C, and nights cool down to about 6 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 118 mm in total. All in all, April is a good month for a holiday in Pittsburgh.
Pittsburgh in April68May22° · 6 h
In May, Pittsburgh is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 133 mm. All in all, May is a good month for a holiday in Pittsburgh.
Pittsburgh in May73June26° · 7 h
In June, Pittsburgh is warm: daytime highs average 26 °C, and nights cool down to about 16 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 129 mm in total. All in all, June is a good month for a holiday in Pittsburgh.
Pittsburgh in June65July28° · 7 h
In July, Pittsburgh is hot: daytime highs average 28 °C, and nights cool down to about 19 °C. The sun shines for around 7 hours a day. It rains often – on about 14 days, adding up to 115 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Pittsburgh.
Pittsburgh in July72August28° · 7 h
In August, Pittsburgh is hot: daytime highs average 28 °C, and nights cool down to about 18 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 93 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, August is a good month for a holiday in Pittsburgh.
Pittsburgh in August75September24° · 6 h
In September, Pittsburgh is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 104 mm in total. All in all, September is a good month for a holiday in Pittsburgh.
Pittsburgh in September69October18° · 5 h
In October, Pittsburgh is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 95 mm in total. All in all, October is a good month for a holiday in Pittsburgh.
Pittsburgh in October34November11° · 4 h
In November, Pittsburgh is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 10 rainy days and 83 mm in total. All in all, November is not an ideal month for a holiday in Pittsburgh.
Pittsburgh in November14December5° · 3 h
In December, Pittsburgh is cold: daytime highs average 5 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 89 mm in total. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Pittsburgh.
Pittsburgh in DecemberPittsburgh compared
Put Pittsburgh side by side with another destination.
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Pittsburgh vs. Cleveland
In October Pittsburgh has the better holiday weather (score 69 vs. 61). During the day Cleveland is 2 °C cooler than Pittsburgh.
| in October | Pittsburgh | Cleveland |
|---|---|---|
| Holiday score | 69 | 61 |
| Daytime high | 18° | 16° |
| Sunshine | 5 h | 5 h |
| Rainy days | 11 | 12 |
| Best time | Apr – Oct | May – Sep |
Through the year
USA in October: the best places
In October, Pittsburgh ranks 16 among the 31 nearest destinations in this country.
- Charlotte22°85
- 2Greenville22°85
- 3Raleigh22°84
- 4Richmond21°82
- 5Asheville19°82
- 6Knoxville21°82
- 7Washington20°19°81
- 8Louisville20°80
- 16PittsburghThis page18°69
Planning a trip to Pittsburgh
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Pittsburgh in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Pittsburgh has its best school-holiday weather during the summer holidays (score 70) and its weakest during the Christmas holidays (score 13).
- 53
Easter holidays
Mar – Apr
Fair
- 15 °C by day
- 5.6 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain, Snow
- 69
May half-term
May – Jun
Good
- 23 °C by day
- 6.5 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 70
Summer holidays
Jul – Aug
GoodBest holidays
- 28 °C by day
- 6.9 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain, Storm season
- 69
October half-term
Oct
Good
- 18 °C by day
- 4.7 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 13
Christmas holidays
Dec – Jan
Poor
- 4 °C by day
- 2.8 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 7 h 40 min
- Distance
- 5,960 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Pittsburgh lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Pittsburgh
When is the best time to visit Pittsburgh?
The best time to visit Pittsburgh is from April to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Pittsburgh?
July is the warmest month, with average highs of 28 °C and nights around 19 °C. January is the coolest month at 3 °C.
When does it rain most in Pittsburgh?
Rain is most frequent in January and from March to August; the wettest month is May with 133 mm. The driest month is November with 83 mm.
How many hours of sunshine does Pittsburgh get?
Pittsburgh gets around 1,890 hours of sunshine a year. The sunniest month is July with 7.4 hours a day; in December there are 2.7 hours a day.
What time zone is Pittsburgh in?
Pittsburgh uses the time zone America/New_York: UTC−5 in January and UTC−4 in July.
How long is the flight from London to Pittsburgh?
A nonstop flight from London to Pittsburgh takes about 7 h 40 min, for a straight-line distance of about 5,960 km.
When is hurricane season in Pittsburgh?
Pittsburgh lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Pittsburgh?
Pittsburgh has its best school-holiday weather during the summer holidays (score 70) and its weakest during the Christmas holidays (score 13). Holiday ratings (0–100): Easter holidays 53, May half-term 69, Summer holidays 70, October half-term 69, Christmas holidays 13.
Near Pittsburgh
Other destinations close by.
Places with a climate like Pittsburgh
Destinations whose weather through the year is closest to Pittsburgh's – good alternatives.