May weather forecast
Stonington, CT

The classy and nice riverside homes by the Mystic River in Stonington, Connecticut
The classy and nice riverside homes by the Mystic River in Stonington, Connecticut

Weather in May

May, the last month of the spring in Stonington, is a comfortable month, with an average temperature varying between 62.6°F (17°C) and 50.7°F (10.4°C).

Temperature

In Stonington, the average high-temperature in May rises from a fresh 52.5°F (11.4°C) in April to a comfortable 62.6°F (17°C). In May, in Stonington, the average low-temperature is 50.7°F (10.4°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Stonington, Connecticut, it is raining for 16.6 days, with typically 2.6" (66mm) of accumulated precipitation. In Stonington, during the entire year, the rain falls for 166.1 days and collects up to 34.09" (866mm) of precipitation.

Snowfall

In Stonington, snow does not fall through September.

Daylight

In Stonington, the average length of the day in May is 14h and 31min.
On the first day of the month, sunrise is at 5:44 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:16 am and sunset at 8:13 pm EDT.

Sunshine

The average sunshine in May is 8.6h.

UV index

In Stonington, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in May in Stonington?

The average relative humidity in May is 79%.

How much does it rain in Stonington in May?

In Stonington, in May, it is raining for 16.6 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Stonington?

In Stonington, Connecticut, snow does not fall in May through September.

Does it snow in Stonington in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

The average day length in May in Stonington, Connecticut, is 14h and 31min.

What time are sunrise and sunset in May in Stonington?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 7:44 pm. On the last day of the month, in Stonington, sunrise is at 5:16 am and sunset at 8:13 pm EDT.

How many hours of sunshine does Stonington have in May?

In Stonington, the average sunshine duration in May is 8.6h.

How high is the UV index in May in Stonington?

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

Average temperature in May
Stonington, CT

Average temperature in May - Stonington, CT
  • Average high temperature in May: 62.6°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 (36.5°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in May
Stonington, CT

Average pressure in May - Stonington, CT
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Stonington, CT

Average wind speed in May - Stonington, CT
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in May
Stonington, CT

Average humidity in May - Stonington, CT
  • Average humidity in May: 79%

The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in May
Stonington, CT

Average rainfall in May - Stonington, CT
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in May
Stonington, CT

Average rainfall days in May - Stonington, CT
  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).

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Average snowfall in May
Stonington, CT

Average snowfall in May - Stonington, CT
  • Average snowfall in May: 0"

The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Stonington, CT

Average snowfall days in May - Stonington, CT
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Stonington, CT

Average daylight in May / Average sunshine in May - Stonington, CT
  • Average daylight in May: 14h and 31min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).

  • Average sunshine in May: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in May
Stonington, CT

Average sunshine days in May - Stonington, CT
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).

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Average UV index in May
Stonington, CT

Average UV index in May - Stonington, CT
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in May
Stonington, CT

Average cloud cover in May - Stonington, CT
  • Average cloud cover in May: 43

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
Stonington, CT

Average visibility in May - Stonington, CT
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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