May weather forecast
Waterville, VT

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Weather in May

The last month of the spring, May, is a comfortable month in Waterville, Vermont, with an average temperature fluctuating between 43°F (6.1°C) and 64°F (17.8°C).

Temperature

Waterville, Vermont, experiences a clear temperature upsurge in May, with average high-temperatures moving from a frosty 48.2°F (9°C) in April to a comfortable 64°F (17.8°C). Throughout May, the temperature in Waterville, Vermont, falls to an average low of 43°F (6.1°C).

Humidity

The least humid month is May, with an average relative humidity of 77%.

Rainfall

In Waterville, in May, during 18.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Waterville, during the entire year, the rain falls for 167.6 days and collects up to 33.31" (846mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Waterville aggregates 0.83" (21mm) of snow. Throughout the year, there are 102.9 snowfall days, and 62.68" (1592mm) 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 5:39 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:08 am and sunset at 8:29 pm EDT.

Sunshine

The average sunshine in May is 7.9h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 4 in May translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation around mid-day is intense; avoid the Sun and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in Waterville, records 64°F (17.8°C), while the low-temperature is 43°F (6.1°C).

What is the least humid month?

With an average relative humidity of 77%, May is the least humid month.

What is the average humidity in May?

In Waterville, the average relative humidity in May is 77%.

How much does it rain in May?

In May, the rain falls for 18.5 days. Throughout May, 3.23" (82mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Waterville aggregates 0.83" (21mm) of snow.

What is the average length of the day in May in Waterville?

In May, the average day length is 14h and 50min.

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 7:56 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:29 pm EDT.

How many hours of sunshine does Waterville have in May?

In May, the average sunshine duration in Waterville is 7.9h.

What is the UV index reading in May in Waterville?

In May, the average daily maximum UV index 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
Waterville, VT

Average temperature in May - Waterville, 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 (22.8°F).

  • Average low temperature in May: 43°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 (9.9°F).

Average pressure in May
Waterville, VT

Average pressure in May - Waterville, VT
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Waterville, VT

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

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in May
Waterville, VT

Average humidity in May - Waterville, VT
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).

Average rainfall in May
Waterville, VT

Average rainfall in May - Waterville, VT
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in May
Waterville, VT

Average rainfall days in May - Waterville, VT
  • Average rainfall days in May: 18.5 days

The months with the highest number of rainy days are June and July (18.6 days).
The month with the least rainy days is February (6.2 days).

Average snowfall in May
Waterville, VT

Average snowfall in May - Waterville, VT
  • Average snowfall in May: 0.83"

The month with the highest snowfall is January (14.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Waterville, VT

Average snowfall days in May - Waterville, VT
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Waterville, 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: 7h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in May
Waterville, VT

Average sunshine days in May - Waterville, VT
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (5.3 days).

Average UV index in May
Waterville, VT

Average UV index in May - Waterville, VT
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in May
Waterville, VT

Average cloud cover in May - Waterville, VT
  • Average cloud cover in May: 50

The months with the most cloud cover are January and February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in May
Waterville, VT

Average visibility in May - Waterville, VT
  • Average visibility in May: 5mi

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

Waterville, Vermont, USA

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