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
The shift from April to May introduces a subtle increase in the average high-temperature, moving from a refreshing 63°F (17.2°C) to an agreeable 71.6°F (22°C). During the month of May, Willis experiences a steady low-temperature average of 51.1°F (10.6°C).Humidity
In Willis, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 2.76" (70mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Willis aggregates 0.16" (4mm) of snow. Throughout the year, there are 29.5 snowfall days, and 11.3" (287mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 9min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:11 pm. On the last day of May, sunrise is at 6:04 am and sunset at 8:35 pm EDT.
Sunshine
The average sunshine in May is 9.2h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the usual temperature for Willis in May?
What is the average humidity in May in Willis?
What is the rainiest month in Willis?
How much does it rain in Willis in May?
What is the last month it snows in Willis?
How many hours of daylight does Willis have in May?
When is the sunrise / sunset in May in Willis?
How many hours of sunshine does Willis have in May?
How high is the UV index in May in Willis?
Average temperature in May
Willis, VA
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Willis, VA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Willis, VA
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Willis, VA
- Average humidity in May: 79%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are April, June, July and November (76%).
Average rainfall in May
Willis, VA
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
Willis, VA
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Willis, VA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Willis, VA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Willis, VA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Willis, VA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in May
Willis, VA
- 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, November and December (UV index 2).
Average cloud cover in May
Willis, VA
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in May
Willis, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Willis, Virginia, USA
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