May weather forecastWilliamsburg, CO
May
Weather in May
May, the last month of the spring in Williamsburg, is a comfortable month, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 40.1°F (4.5°C).Temperature
The arrival of May brings an increase in high-temperatures, moving from a refreshing 55.8°F (13.2°C) in April to a comfortable 64.8°F (18.2°C). Despite a noticeable differential from daytime highs, Williamsburg notes an average nighttime low-temperature of 40.1°F (4.5°C) in May.Humidity
In May, the average relative humidity is 47%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 108.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.1 snowfall days, in May, Williamsburg aggregates 0.71" (18mm) of snow. In Williamsburg, during the entire year, snow falls for 38 days and aggregates up to 23.94" (608mm) of snow.Daylight
In May, the average length of the day is 14h and 17min.On the first day of May, sunrise is at 6:02 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:18 pm MDT.
Sunshine
In May, the average sunshine is 11.5h.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 radiation for the ordinary person.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Williamsburg, CO
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 40.1°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in May
Williamsburg, CO
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in May
Williamsburg, CO
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Williamsburg, CO
- Average humidity in May: 47%
The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).
Average rainfall in May
Williamsburg, CO
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").
Average rainfall days in May
Williamsburg, CO
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in May
Williamsburg, CO
- Average snowfall in May: 0.71"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Williamsburg, CO
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is February (8.8 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, CO
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 11h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).
Average sunshine days in May
Williamsburg, CO
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).
Average UV index in May
Williamsburg, CO
- 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, October, November and December (UV index 2).
Average cloud cover in May
Williamsburg, CO
- Average cloud cover in May: 20
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).
Average visibility in May
Williamsburg, CO
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





