May weather forecastRochester, VT
May
Weather in May
May, the last month of the spring in Rochester, is a refreshing month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 43.9°F (6.6°C).Temperature
May's arrival witnesses a distinct rise in the average high-temperature, advancing from April's chilly 49.1°F (9.5°C) to a comfortable 63.9°F (17.7°C). Throughout May, Rochester registers a consistent average low-temperature of 43.9°F (6.6°C).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 77%.Rainfall
In Rochester, in May, it is raining for 14.8 days, with typically 1.69" (43mm) of accumulated precipitation. In Rochester, during the entire year, the rain falls for 110.1 days and collects up to 15.55" (395mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 2.1 snowfall days, in May, Rochester aggregates 1.57" (40mm) of snow. In Rochester, Vermont, during the entire year, snow falls for 86.6 days and aggregates up to 36.97" (939mm) of snow.Daylight
The average length of the day in May is 14h and 46min.On the first day of May, sunrise is at 5:41 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in May is 7.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rochester, VT
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 43.9°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 (10.9°F).
Average pressure in May
Rochester, 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
Rochester, VT
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Rochester, VT
- Average humidity in May: 77%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in May
Rochester, VT
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in May
Rochester, VT
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in May
Rochester, VT
- Average snowfall in May: 1.57"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rochester, VT
- Average snowfall days in May: 2.1 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rochester, VT
- Average daylight in May: 14h and 48min
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: 7h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in May
Rochester, VT
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in May
Rochester, 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, February and December (UV index 1).
Average cloud cover in May
Rochester, VT
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in May
Rochester, VT
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).





