May weather forecast
Wilmington, VT

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Weather in May

May in Wilmington, Vermont, heralds the advent of warmer weather, with a palpable rise in temperatures. Compared to the preceding month, rainfall amounts sees a slight uptick, witnessing 2.36" (60mm) of precipitation. The shift towards humidity is discernible but does not detract from the general pleasantness of the month. Extended daylight hours further instill a feeling of vibrancy and warmth as the city moves deeper into spring. The arrival of this month brings a climate reprieve before the sweltering summer heat.

Temperature

The arrival of May signals an increase in the average high-temperature, moving from a cool 50.5°F (10.3°C) in April to a comfortable 64°F (17.8°C). May witnesses an average nighttime temperature of 44.2°F (6.8°C).

Humidity

In May, the average relative humidity is 78%.

Rainfall

In Wilmington, in May, it is raining for 15.8 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 143.7 rainfall days, and 25.75" (654mm) of precipitation is accumulated.

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, Wilmington aggregates 0.55" (14mm) of snow. In Wilmington, during the entire year, snow falls for 60.7 days and aggregates up to 37.68" (957mm) of snow.

Daylight

In Wilmington, the average length of the day in May is 14h and 40min.
On the first day of the month, sunrise is at 5:44 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine is 8h.

UV index

In Wilmington, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 4 during May translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature during May is 64°F (17.8°C) and the low-temperature is 44.2°F (6.8°C).

What is the average humidity in May?

In Wilmington, the average relative humidity in May is 78%.

How many days does it rain in May?

In Wilmington, in May, it is raining for 15.8 days, with typically 2.36" (60mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.7 snowfall days, in May, Wilmington aggregates 0.55" (14mm) of snow.

How many hours of daylight does Wilmington have in May?

In Wilmington, the average day length in May is 14h and 40min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Wilmington have in May?

In May, the average sunshine duration is 8h.

How high is the UV index in May?

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Wilmington, VT

Average temperature in May - Wilmington, VT
  • Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in May
Wilmington, VT

Average pressure in May - Wilmington, 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
Wilmington, VT

Average wind speed in May - Wilmington, VT
  • Average wind speed in May: 6.6mph

The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Wilmington, VT

Average humidity in May - Wilmington, VT
  • Average humidity in May: 78%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (77%).

Average rainfall in May
Wilmington, VT

Average rainfall in May - Wilmington, VT
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is March (1.65").

Average rainfall days in May
Wilmington, VT

Average rainfall days in May - Wilmington, VT
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in May
Wilmington, VT

Average snowfall in May - Wilmington, VT
  • Average snowfall in May: 0.55"

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
Wilmington, VT

Average snowfall days in May - Wilmington, VT
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Wilmington, VT

Average daylight in May / Average sunshine in May - Wilmington, 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 0min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in May
Wilmington, VT

Average sunshine days in May - Wilmington, VT
  • Average sunshine days in May: 13 days

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are June and July (11.7 days).

Average UV index in May
Wilmington, VT

Average UV index in May - Wilmington, 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 February and December (UV index 1).

Average cloud cover in May
Wilmington, VT

Average cloud cover in May - Wilmington, VT
  • Average cloud cover in May: 51

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in May
Wilmington, VT

Average visibility in May - Wilmington, 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).

Wilmington, Vermont, USA

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