May weather forecastSouth Hero, VT
May
Weather in May
May, the last month of the spring in South Hero, is an enjoyable month, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 45.5°F (7.5°C).Temperature
A clear escalation in the average high-temperature is witnessed with the onset of May, advancing from a frosty 49.6°F (9.8°C) in April to a refreshing 64.4°F (18°C). May nights cool down to an average low-temperature of 45.5°F (7.5°C).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 76%.Rainfall
In South Hero, during May, the rain falls for 17.3 days and regularly aggregates up to 2.87" (73mm) of precipitation. In South Hero, during the entire year, the rain falls for 175.6 days and collects up to 29.09" (739mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, South Hero aggregates 0.12" (3mm) of snow. In South Hero, during the entire year, snow falls for 84 days and aggregates up to 36.5" (927mm) of snow.Daylight
The average length of the day in May is 14h and 50min.On the first day of the month, sunrise is at 5:42 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:30 pm EDT.
Sunshine
In South Hero, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 in May translates into these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
South Hero, VT
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in May: 45.5°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
South Hero, VT
- Average pressure in May: 29.98"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 Hero, VT
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
South Hero, VT
- Average humidity in May: 76%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in May
South Hero, VT
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in May
South Hero, VT
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is June (19.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
South Hero, VT
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Hero, VT
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (19.7 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 Hero, VT
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
South Hero, VT
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in May
South Hero, VT
- 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 and December (UV index 1).
Average cloud cover in May
South Hero, VT
- Average cloud cover in May: 44
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
South Hero, VT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July and August (6mi).
The months with the lowest visibility are January and February (4mi).
