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
Prince William's transition into May is marked by a temperature shift, moving from a mild 60.1°F (15.6°C) in April to a pleasant 71.6°F (22°C). Prince William records an average nighttime low of 54.9°F (12.7°C) in May.Humidity
In May, the average relative humidity is 78%.Rainfall
The wettest months are April and May, with an average 2.28" (58mm) of rainfall.Snowfall
In Prince William, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 27min.On the first day of May, sunrise is at 6:44 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 9:10 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Prince William is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in May transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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?
What is the wettest month?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Prince William have in May?
How high is the UV index in May?
Average temperature in May
Prince William, IN
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in May
Prince William, IN
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Prince William, IN
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Prince William, IN
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Prince William, IN
- Average rainfall in May: 2.28"
The wettest months (with the highest rainfall) are April and May (2.28").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in May
Prince William, IN
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in May
Prince William, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Prince William, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.7 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
Prince William, IN
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Prince William, IN
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in May
Prince William, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Prince William, IN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in May
Prince William, IN
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Prince William, Indiana, USA
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