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
A clear rise in the average high-temperature is observed during May, increasing from a fresh 50°F (10°C) in April to an enjoyable 64.9°F (18.3°C). During the nights in May, South Royalton experiences a consistent average temperature of 44.1°F (6.7°C).Humidity
The least humid month is May, with an average relative humidity of 75%.Rainfall
In South Royalton, in May, it is raining for 11 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in South Royalton, there are 103.4 rainfall days, and 10.08" (256mm) 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, South Royalton aggregates 0.08" (2mm) of snow. In South Royalton, during the entire year, snow falls for 42.7 days and aggregates up to 9.76" (248mm) of snow.Daylight
In May, the average length of the day is 14h and 45min.On the first day of May in South Royalton, sunrise is at 5:40 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in May is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the least humid month?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows in South Royalton?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does South Royalton have in May?
What are the months with the highest UV index?
What is the UV index reading in May in South Royalton?
Average temperature in May
South Royalton, VT
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 44.1°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
South Royalton, VT
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
South Royalton, VT
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
South Royalton, VT
- Average humidity in May: 75%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
South Royalton, VT
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is March (0.55").
Average rainfall days in May
South Royalton, VT
- Average rainfall days in May: 11 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in May
South Royalton, VT
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Royalton, VT
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Royalton, VT
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in May
South Royalton, VT
- Average sunshine days in May: 17.4 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (15.6 days).
Average UV index in May
South Royalton, VT
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
South Royalton, VT
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
South Royalton, VT
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
South Royalton, Vermont, USA
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