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
May brings an increase in the average high-temperature, progressing from a fresh 51.4°F (10.8°C) in April to a comfortable 65.5°F (18.6°C). Grafton anticipates an average minimum temperature of 45°F (7.2°C) in the month of May.Humidity
April and May, with an average relative humidity of 75%, are the least humid months.Rainfall
In Grafton, in May, it is raining for 16.8 days, with typically 2.28" (58mm) of accumulated precipitation. In Grafton, during the entire year, the rain falls for 164.2 days and collects up to 27.01" (686mm) of precipitation.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, Grafton aggregates 0.35" (9mm) of snow. Throughout the year, there are 58.9 snowfall days, and 32.32" (821mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 5:42 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:13 am and sunset at 8:23 pm EDT.
Sunshine
In Grafton, the average sunshine in May is 8.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What are the least humid months in Grafton?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Grafton, VT
- Average high temperature in May: 65.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in May
Grafton, VT
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Grafton, VT
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Grafton, VT
- Average humidity in May: 75%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in May
Grafton, VT
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Grafton, VT
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in May
Grafton, VT
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grafton, VT
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grafton, VT
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Grafton, VT
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (10 days).
Average UV index in May
Grafton, VT
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Grafton, VT
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Grafton, VT
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Grafton, Vermont, USA
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