Pennsylvania weather averages for holidays in 2017/2018

Check Pennsylvania weather averages before you book your next holiday in 2017/2018. The average maximum daytime temperature in Pennsylvania in August is 29°C. The holiday weather guide shown below is for Philadelphia.

Usually in August
- 29
- 19
- 8
View weather averages
Outlook Tomorrow
- 29
- 3
View 5-day forecast

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More about Pennsylvania

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Pennsylvania weather averages

Check Pennsylvania weather averages before you book your next holiday. The warmest month in Pennsylvania is July with an average maximum temperature of 30°C. The sunniest months are June and July with on average 9 hours of bright sunshine per day. The months with the least number of days with some rain are September and October with 8 days. The Pennsylvania weather averages shown below are for Philadelphia.

Maximum daytime temperature (°C)

3
Jan
5
Feb
11
Mar
17
Apr
23
May
28
Jun
30
Jul
29
Aug
25
Sep
19
Oct
13
Nov
6
Dec

Hours of sunshine (daily)

5
Jan
6
Feb
7
Mar
7
Apr
8
May
9
Jun
9
Jul
8
Aug
7
Sep
6
Oct
5
Nov
4
Dec

Days with some rainfall

11
Jan
10
Feb
10
Mar
11
Apr
11
May
10
Jun
9
Jul
9
Aug
8
Sep
8
Oct
10
Nov
11
Dec

More weather parameters

Metric (°C / mm) | Imperial (°F / inches)

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Pennsylvania weather today

Here is the weather in Pennsylvania today, Friday 18th August 2017. Expect isolated thunderstorms in Pennsylvania with a maximum temperature of 29°C, moderate levels of heat & humidity and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 24 kph from the south. The weather forecast shown below is for Philadelphia.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
79
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
24
kph wind from S

5-day weather forecast

Metric (°C / mm) | Imperial (°F / inches)

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Tropical storm risk: Pennsylvania hurricane season

% of month affected by tropical storms

<1%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Pennsylvania tropical storm risk chart above shows the hurricane season for Philadelphia, Pennsylvania.

More about tropical storms

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Pennsylvania holiday weather averages by month

Check Pennsylvania holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Compare Pennsylvania weather with the USA

Below the Pennsylvania weather chart shows maximum daytime temperature for Pennsylvania, USA (Philadelphia) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.