The best times to visit Pennsylvania for ideal weather are

April 30th to June 24th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Pennsylvania Travel Info

Weather in Pennsylvania


Average temperatures in Pennsylvania vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 32nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Pennsylvania, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 85.6°F (29.8°C) with temperatures rarely dropping below 65.4°F (18.6°C) at night.

Pennsylvania Temperatures (Fahrenheit)


Pennsylvania Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Pennsylvania Perceived Temperature (F)


Pennsylvania Perceived Temperature (C)



Average Pennsylvania Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 36.6 28.6 21.3
Feb 37.7 29 21.2
Mar 50.6 39.8 30.8
Apr 63.3 51.5 41
May 74 62.4 51.5
Jun 80.5 70 60.1
Jul 84.4 73.9 63.9
Aug 81.9 71.4 61.8
Sep 76.3 65.4 55.8
Oct 64.4 54.1 45.3
Nov 52.7 43.2 35
Dec 42.9 35.2 28.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 2.6 -1.9 -5.9
Feb 3.2 -1.7 -6
Mar 10.3 4.3 -0.7
Apr 17.4 10.8 5
May 23.3 16.9 10.8
Jun 26.9 21.1 15.6
Jul 29.1 23.3 17.7
Aug 27.7 21.9 16.6
Sep 24.6 18.6 13.2
Oct 18 12.3 7.4
Nov 11.5 6.2 1.7
Dec 6.1 1.8 -2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Pennsylvania are January, November, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early November. For example, on the week of November 5th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid May with an average of 2 days of significant precipitation the week of May 14th.

When can you find snow in Pennsylvania? Weather stations report large amounts of snow likely to be deepest around February, especially close to early to mid February. The best time to ski (if at all) in Pennsylvania is often around around March 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Pennsylvania.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Pennsylvania (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 14% 3 1.8
Feb 15% 5.3 1.7
Mar 17% 3.4 2.6
Apr 20% 1.6 2.7
May 20% 0 3
Jun 21% 0 3.5
Jul 19% 0 3.3
Aug 18% 0 3.3
Sep 15% 0 3
Oct 18% 3 3.2
Nov 14% 2.2 1.9
Dec 20% 3.4 3.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 14 7.6 4.6
Feb 15 13.5 4.3
Mar 17 8.6 6.6
Apr 20 4.1 6.9
May 20 0 7.6
Jun 21 0 8.9
Jul 19 0 8.4
Aug 18 0 8.4
Sep 15 0 7.6
Oct 18 7.6 8.1
Nov 14 5.6 4.8
Dec 20 8.6 7.9


Humidity and Wind

Pennsylvania has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (48.5% relative humidity), and the most humid month is September (65.3%).

Wind in Pennsylvania is usually calm. The windiest month is February, followed by April and March. February’s average wind speed of around 6.4 knots (7.4 MPH or 11.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 14.9 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Pennsylvania.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.2 Light breeze 13.2 Significant breeze
Feb 6.4 Light breeze 13.8 Significant breeze
Mar 6.3 Light breeze 13.3 Significant breeze
Apr 6.4 Light breeze 13.7 Significant breeze
May 4.8 Light breeze 11.5 Significant breeze
Jun 4.5 Light breeze 11.1 Significant breeze
Jul 3.9 Barely noticeable 10.3 Significant breeze
Aug 3.6 Barely noticeable 9.4 Gentle breeze
Sep 3.9 Barely noticeable 9.7 Significant breeze
Oct 4.9 Light breeze 11.1 Significant breeze
Nov 5.3 Light breeze 11.7 Significant breeze
Dec 5.9 Light breeze 12.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 58.3%
Feb 55.9%
Mar 50.6%
Apr 48.5%
May 56.4%
Jun 61.9%
Jul 61.2%
Aug 64.5%
Sep 65.3%
Oct 63.2%
Nov 58%
Dec 64.9%


Is it Safe to Travel to Pennsylvania?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Pennsylvania, United States is July, followed by August and April. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Pennsylvania in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 47.7 in December means 47.7% of the tourists vs. July.



Overall Pennsylvania Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 80°F (26.7°C) and 40.6°F (4.8°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 to 6 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 5 to 6 days of precipitation per month. June – August is the busiest season for tourism in Pennsylvania, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 80.9°F (27.2°C) and 47.4°F (8.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Pennsylvania to be enjoyable for warm weather travelers. The average high during this season is between 43.5°F (6.4°C) and 33.1°F (0.6°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are the slowest with tourists.


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