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 shows a rise in the average high-temperature, moving from April's frosty 48.2°F (9°C) to a refreshing 62.2°F (16.8°C). May nights cool down to an average low-temperature of 42.4°F (5.8°C).Humidity
With an average relative humidity of 75%, May is the least humid month in Williamsburg.Rainfall
In Williamsburg, during May, the rain falls for 15.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 146.2 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Williamsburg aggregates 0.43" (11mm) of snow. Throughout the year, in Williamsburg, there are 65.9 snowfall days, and 37.6" (955mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 55min.On the first day of the month, sunrise is at 5:23 am and sunset at 7:43 pm. On the last day of May, in Williamsburg, sunrise is at 4:51 am and sunset at 8:16 pm EDT.
Sunshine
In May, the average sunshine is 7.7h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in May leads to these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Williamsburg in May?
What is the least humid month?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Williamsburg have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Williamsburg, ME
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 42.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in May
Williamsburg, ME
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Williamsburg, ME
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Williamsburg, ME
- Average humidity in May: 75%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Williamsburg, ME
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in May
Williamsburg, ME
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in May
Williamsburg, ME
- Average snowfall in May: 0.43"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Williamsburg, ME
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Williamsburg, ME
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in May
Williamsburg, ME
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in May
Williamsburg, ME
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Williamsburg, ME
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in May
Williamsburg, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Williamsburg, Maine, USA
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