May weather forecast
North Thetford, VT

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Weather in May

The last month of the spring, May, is an enjoyable month in North Thetford, Vermont, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 64.4°F (18°C).

Temperature

North Thetford's May weather is characterized by a distinct upsurge in high-temperatures, soaring from April's chilly 49.6°F (9.8°C) to an enjoyable 64.4°F (18°C). During May, the average low-temperature is a frosty 43.5°F (6.4°C).

Humidity

April and May, with an average relative humidity of 76%, are the least humid months in North Thetford, Vermont.

Rainfall

In May, the rain falls for 17.3 days. Throughout May, 2.56" (65mm) of precipitation is accumulated. In North Thetford, during the entire year, the rain falls for 158.3 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, North Thetford aggregates 0.43" (11mm) of snow. In North Thetford, during the entire year, snow falls for 77.6 days and aggregates up to 45.12" (1146mm) of snow.

Daylight

In May, the average length of the day is 14h and 46min.
On the first day of May in North Thetford, sunrise is at 5:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:23 pm EDT.

Sunshine

In North Thetford, the average sunshine in May is 8.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, in North Thetford, the average high-temperature is 64.4°F (18°C), and the average low-temperature is 43.5°F (6.4°C).

What is the least humid month?

April and May, with an average relative humidity of 76%, are the least humid months in North Thetford.

What is the average humidity in May?

In North Thetford, Vermont, the average relative humidity in May is 76%.

How much does it rain in May?

In May, the rain falls for 17.3 days. Throughout May, 2.56" (65mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.7 snowfall days, in May, North Thetford aggregates 0.43" (11mm) of snow.

What is the average length of the day in May?

In North Thetford, the average day length in May is 14h and 46min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration in North Thetford is 8.1h.

What are the months with the highest UV index in North Thetford?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
North Thetford, VT

Average temperature in May - North Thetford, VT
  • Average high temperature in May: 64.4°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 (23.9°F).

  • Average low temperature in May: 43.5°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in May
North Thetford, VT

Average pressure in May - North Thetford, 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
North Thetford, VT

Average wind speed in May - North Thetford, VT
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
North Thetford, VT

Average humidity in May - North Thetford, 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
North Thetford, VT

Average rainfall in May - North Thetford, VT
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is October (3.11").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in May
North Thetford, VT

Average rainfall days in May - North Thetford, VT
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in May
North Thetford, VT

Average snowfall in May - North Thetford, VT
  • Average snowfall in May: 0.43"

The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
North Thetford, VT

Average snowfall days in May - North Thetford, VT
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
North Thetford, VT

Average daylight in May / Average sunshine in May - North Thetford, 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 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in May
North Thetford, VT

Average sunshine days in May - North Thetford, VT
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in May
North Thetford, VT

Average UV index in May - North Thetford, 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
North Thetford, VT

Average cloud cover in May - North Thetford, VT
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in May
North Thetford, VT

Average visibility in May - North Thetford, VT
  • Average visibility in May: 5mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

North Thetford, Vermont, USA

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