May weather forecast
Hartford, VT

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Weather in May

As May rolls around, Hartford fully immerses itself in spring's embrace, bidding goodbye to the lingering coolness in the air. With no snowfall, increased sunshine, and warming temperatures, May marks a distinct departure from the preceding months' weather patterns. The average high temperature jumps to 64.9°F (18.3°C), offering warm and pleasant conditions. With spring in full bloom and pleasant temperatures, May manifests as an ideal time to explore Hartford's picturesque outdoors and vibrant urban life.

Temperature

The beginning of May marks a clear shift in the average high-temperature, advancing from April's fresh 50.5°F (10.3°C) to a refreshing 64.9°F (18.3°C). Hartford encounters an average low-temperature of 44.2°F (6.8°C) during May nights.

Humidity

May is the least humid month in Hartford, with an average relative humidity of 75%.

Rainfall

In Hartford, in May, it is raining for 16.2 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, in Hartford, Vermont, there are 161.9 rainfall days, and 28.46" (723mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Hartford. During 0.4 snowfall days, in May, Hartford aggregates 0.31" (8mm) of snow. Throughout the year, in Hartford, there are 68.9 snowfall days, and 35.91" (912mm) of snow is accumulated.

Daylight

In Hartford, Vermont, the average length of the day in May is 14h and 44min.
On the first day of the month, sunrise is at 5:40 am and sunset at 7:52 pm. On the last day of May, in Hartford, Vermont, sunrise is at 5:10 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Enhance your sun protection with tightly woven, yet airy clothing. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are May temperatures in Hartford?

In May, in Hartford, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 44.2°F (6.8°C).

What is the least humid month in Hartford?

The least humid month in Hartford, Vermont, is May, with an average relative humidity of 75%.

What is the average humidity in May in Hartford?

In Hartford, the average relative humidity in May is 75%.

How much does it rain in Hartford in May?

In Hartford, in May, during 16.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

What is the last month it snows in Hartford?

May is the last month it regularly snows in Hartford, Vermont. During 0.4 snowfall days, in May, Hartford aggregates 0.31" (8mm) of snow.

How many hours of daylight does Hartford have in May?

In Hartford, Vermont, the average day length in May is 14h and 44min.

What time are sunrise and sunset in May in Hartford?

In May, on the first day of the month, sunrise is at 5:40 am and sunset at 7:52 pm. On the last day of the month, in Hartford, Vermont, sunrise is at 5:10 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Hartford have in May?

The average sunshine duration in May in Hartford, Vermont, is 8.2h.

When is the highest UV index in Hartford?

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

How high is the UV index in May in Hartford?

The average daily maximum UV index in May in Hartford, Vermont, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Hartford, VT

Average temperature in May - Hartford, VT
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in May
Hartford, VT

Average pressure in May - Hartford, VT
  • Average pressure in May: 29.99"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).

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Average wind speed in May
Hartford, VT

Average wind speed in May - Hartford, VT
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Hartford, VT

Average humidity in May - Hartford, VT
  • Average humidity in May: 75%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in May
Hartford, VT

Average rainfall in May - Hartford, VT
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in May
Hartford, VT

Average rainfall days in May - Hartford, VT
  • Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in May
Hartford, VT

Average snowfall in May - Hartford, VT
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Hartford, VT

Average snowfall days in May - Hartford, VT
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Hartford, VT
  • Average daylight in May: 14h and 4min

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 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Hartford, VT

Average sunshine days in May - Hartford, VT
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is March (9.8 days).

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Average UV index in May
Hartford, VT

Average UV index in May - Hartford, 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).

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Average cloud cover in May
Hartford, VT

Average cloud cover in May - Hartford, VT
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in May
Hartford, VT

Average visibility in May - Hartford, 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).

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Hartford, Vermont, USA

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