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
The shift into May brings a noticeable increase in the average high-temperature, soaring from a frosty 49.8°F (9.9°C) in April to a comfortable 64.8°F (18.2°C). An average temperature of 45.1°F (7.3°C) marks the nights in May.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 76%.Rainfall
In Fairfax, during May, the rain falls for 16.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Fairfax, during the entire year, the rain falls for 172.5 days and collects up to 28.07" (713mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Fairfax. During 0.8 snowfall days, in May, Fairfax aggregates 0.43" (11mm) of snow. Throughout the year, there are 92.6 snowfall days, and 43.98" (1117mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 50min.On the first day of the month, sunrise is at 5:40 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:09 am and sunset at 8:29 pm EDT.
Sunshine
In Fairfax, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May in Fairfax is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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 many days does it rain in May in Fairfax?
What is the last month it snows?
How many hours of daylight does Fairfax have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Fairfax, VT
- Average high temperature in May: 64.8°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 (24.3°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in May
Fairfax, 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
Fairfax, VT
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Fairfax, VT
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in May
Fairfax, VT
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in May
Fairfax, VT
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (9 days).
Average snowfall in May
Fairfax, VT
- Average snowfall in May: 0.43"
The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Fairfax, VT
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fairfax, VT
- Average daylight in May: 14h and 5min
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 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in May
Fairfax, VT
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (6 days).
Average UV index in May
Fairfax, 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
Fairfax, VT
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Fairfax, VT
- Average visibility in May: 6mi
The months with the highest visibility are May, July and August (6mi).
The months with the lowest visibility are January, February and March (4mi).
Fairfax, Vermont, USA
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