Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival signals an increase in average high-temperatures, moving from April's pleasant 68.5°F (20.3°C) to a moderately hot 77.5°F (25.3°C). In Philadelphia, May nights witness a remarkable decline from the day's zenith to a refreshing 55.9°F (13.3°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In Philadelphia, in May, during 15.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 171.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Philadelphia, the average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 6:44 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:47 pm EDT.
Sunshine
In May, the average sunshine is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Philadelphia have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Philadelphia, TN
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in May
Philadelphia, TN
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Philadelphia, TN
- Average wind speed in May: 4.9mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Philadelphia, TN
- Average humidity in May: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Philadelphia, TN
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Philadelphia, TN
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in May
Philadelphia, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Philadelphia, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Philadelphia, TN
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Philadelphia, TN
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in May
Philadelphia, TN
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Philadelphia, TN
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Philadelphia, TN
- Average visibility in May: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Philadelphia, Tennessee, USA
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