May weather forecast
South Royalton, VT

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Weather in May

The last month of the spring, May, is a comfortable month in South Royalton, Vermont, with an average temperature varying between 64.9°F (18.3°C) and 44.1°F (6.7°C).

Temperature

As South Royalton welcomes May, the average high-temperature witnesses a distinct rise, moving from a fresh 50°F (10°C) in April to an enjoyable 64.9°F (18.3°C). An average nighttime temperature of 44.1°F (6.7°C) is recorded during May.

Humidity

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

Rainfall

In South Royalton, in May, during 11 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in South Royalton, Vermont, there are 103.4 rainfall days, and 10.08" (256mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, South Royalton aggregates 0.08" (2mm) of snow. In South Royalton, during the entire year, snow falls for 42.7 days and aggregates up to 9.76" (248mm) of snow.

Daylight

The average length of the day in May in South Royalton is 14h and 45min.
On the first day of May in South Royalton, sunrise is at 5:40 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:24 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

The months with the highest UV index in South Royalton 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 unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What is the temperature in May in South Royalton?

An average high-temperature, in May, in South Royalton, is 64.9°F (18.3°C) and the average low-temperature is 44.1°F (6.7°C).

What is the least humid month in South Royalton?

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

What is the average humidity in May in South Royalton?

In South Royalton, Vermont, the average relative humidity in May is 75%.

How many days does it rain in May in South Royalton?

In May, in South Royalton, the rain falls for 11 days. Throughout May, 0.75" (19mm) of precipitation is accumulated.

What is the last month it snows in South Royalton?

May is the last month it regularly snows. During 0.4 snowfall days, in May, South Royalton aggregates 0.08" (2mm) of snow.

How many hours of daylight does South Royalton have in May?

The average day length in May is 14h and 45min.

When are sunrise and sunset in May in South Royalton?

In May, on the first day of the month, sunrise is at 5:40 am and sunset at 7:53 pm. On the last day of the month, in South Royalton, Vermont, sunrise is at 5:10 am and sunset at 8:24 pm EDT.

How many hours of sunshine does South Royalton have in May?

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

What is the month with the highest UV index in South Royalton?

The months with the highest UV index in South Royalton, Vermont, are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in South Royalton?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
South Royalton, VT

Average temperature in May - South Royalton, VT
  • Average high temperature in May: 64.9°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 (25.2°F).

  • Average low temperature in May: 44.1°F

The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in May
South Royalton, VT

Average pressure in May - South Royalton, 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
South Royalton, VT

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

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in May
South Royalton, VT

Average humidity in May - South Royalton, VT
  • Average humidity in May: 75%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in May
South Royalton, VT

Average rainfall in May - South Royalton, VT
  • Average rainfall in May: 0.75"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is March (0.55").

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Average rainfall days in May
South Royalton, VT

Average rainfall days in May - South Royalton, VT
  • Average rainfall days in May: 11 days

The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (3.9 days).

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Average snowfall in May
South Royalton, VT

Average snowfall in May - South Royalton, VT
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
South Royalton, VT

Average snowfall days in May - South Royalton, VT
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (9.9 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
South Royalton, VT

Average daylight in May / Average sunshine in May - South Royalton, 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 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

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Average sunshine days in May
South Royalton, VT

Average sunshine days in May - South Royalton, VT
  • Average sunshine days in May: 17.4 days

The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (15.6 days).

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Average UV index in May
South Royalton, VT

Average UV index in May - South Royalton, VT
  • Average UV index in May: 5

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

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Average cloud cover in May
South Royalton, VT

Average cloud cover in May - South Royalton, VT
  • Average cloud cover in May: 49

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

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Average visibility in May
South Royalton, VT

Average visibility in May - South Royalton, VT
  • Average visibility in May: 5mi

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

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South Royalton, Vermont, USA

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