Weather in Pennsylvania in May 2018

  • 23°C maximum daytime temperature in May in Pennsylvania (Philadelphia)23
    23°C max day temperature
  • 8 hours of sunshine per day (55% of daylight hours) in May in Pennsylvania8
    8 hours of sunshine per day
  • 11 days with some rainfall in May in Pennsylvania (Philadelphia)11
    11 days with some rainfall
  • 11°C minimum night-time temperature in May in Pennsylvania (Philadelphia)11
    11°C min night temperature
  • 14 hours of daylight per day in May in Pennsylvania (Philadelphia)14
    14 hours of daylight per day
  • No heat & humidity in May in Pennsylvania (Philadelphia)0
    No heat & humidity
  • 100 mm monthly rainfall in May in Pennsylvania (Philadelphia)100
    100 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Pennsylvania (Philadelphia)8
    8 (Very High) UV index

Going to Pennsylvania? Find the best month to visit Pennsylvania based on the weather.

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Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Pennsylvania in May. Check more long-term weather averages for Pennsylvania in May before you book your next holiday to Pennsylvania in 2018. The May weather averages shown above are for Philadelphia.

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

Guide to Pennsylvania weather in May

The average maximum daytime temperature in Pennsylvania in May is a warm 23°C (73°F). The average night-time temperature is usually a cool 11°C (52°F). There are usually 8 hours of bright sunshine each day, which represents 55% of the 14 hours of daylight.

Expect 100mm (3.9 inches) of rainfall across the whole of May with 11 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The weather in Pennsylvania in May is represented by Philadelphia.

Pennsylvania sunrise & sunset times for May 2018

Browse the sunrise & sunset times for Pennsylvania in May 2018. Select a month to view Pennsylvania sunrise & sunset times for the next twelve months. The Pennsylvania sunrise & sunset times shown below are for Philadelphia.

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Date Sunrise times Sunset times
Tuesday, 1st May 2018 06:01 19:55
Wednesday, 2nd May 2018 06:00 19:56
Thursday, 3rd May 2018 05:58 19:57
Friday, 4th May 2018 05:57 19:58
Saturday, 5th May 2018 05:56 19:59
Sunday, 6th May 2018 05:55 20:00
Monday, 7th May 2018 05:54 20:01
Tuesday, 8th May 2018 05:53 20:02
Wednesday, 9th May 2018 05:52 20:03
Thursday, 10th May 2018 05:50 20:04
Friday, 11th May 2018 05:49 20:05
Saturday, 12th May 2018 05:48 20:06
Sunday, 13th May 2018 05:47 20:07
Monday, 14th May 2018 05:46 20:08
Tuesday, 15th May 2018 05:46 20:09
Wednesday, 16th May 2018 05:45 20:10
Thursday, 17th May 2018 05:44 20:11
Friday, 18th May 2018 05:43 20:12
Saturday, 19th May 2018 05:42 20:13
Sunday, 20th May 2018 05:41 20:14
Monday, 21st May 2018 05:41 20:15
Tuesday, 22nd May 2018 05:40 20:15
Wednesday, 23rd May 2018 05:39 20:16
Thursday, 24th May 2018 05:38 20:17
Friday, 25th May 2018 05:38 20:18
Saturday, 26th May 2018 05:37 20:19
Sunday, 27th May 2018 05:37 20:20
Monday, 28th May 2018 05:36 20:20
Tuesday, 29th May 2018 05:35 20:21
Wednesday, 30th May 2018 05:35 20:22
Thursday, 31st May 2018 05:35 20:23
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