May weather forecast and climate
Storrs, CT

Weather in May

The last month of the spring, May, is an enjoyable month in Storrs, Connecticut, with average temperature varying between 48.7°F (9.3°C) and 67.3°F (19.6°C).

Temperature

In May, the average high-temperature rises, from a mild 55.9°F (13.3°C) in April, to an enjoyable 67.3°F (19.6°C). In May, the average low-temperature is 48.7°F (9.3°C).

Humidity

In May, the average relative humidity in Storrs is 76%.

Rainfall

In Storrs, it is raining for 11.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Storrs, during the entire year, the rain falls for 112.3 days and collects up to 9.33" (237mm) of precipitation.

Snowfall

Months with snowfall in Storrs are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Storrs aggregates 0.16" (4mm) of snow. Throughout the year, in Storrs, there are 21.5 snowfall days, and 3.15" (80mm) of snow is accumulated.

Daylight

The average length of the day in May is 14.6h.

Sunshine

The average sunshine in Storrs is 8.3h.

UV index

The average daily maximum UV index in Storrs is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Storrs?

In May, the average relative humidity in Storrs, Connecticut, is 76%.

How much does it rain in Storrs in May?

In Storrs, Connecticut, in May, it is raining for 11.1 days, with typically 0.79" (20mm) of accumulated precipitation.

What is the last month it snows in Storrs?

May is the last month it regularly snows in Storrs. During 0.2 snowfall days, in May, Storrs aggregates 0.16" (4mm) of snow.

How many hours of daylight does Storrs have in May?

In May, the average length of the day in Storrs, Connecticut, is 14.6h.

How many hours of sunshine does Storrs have in May?

The average sunshine in May in Storrs is 8.3h.

How high is the UV index in May in Storrs?

In Storrs, Connecticut, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in May
Storrs, CT

Average temperature in May - Storrs, CT
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in May
Storrs, CT

Average pressure in May - Storrs, CT
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Storrs, CT

Average wind speed in May - Storrs, CT
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
Storrs, CT

Average humidity in May - Storrs, CT
  • Average humidity in May: 76%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in May
Storrs, CT

Average rainfall in May - Storrs, CT
  • Average rainfall in May: 0.79"

The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in May
Storrs, CT

Average rainfall days in May - Storrs, CT
  • Average rainfall days in May: 11.1 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in May
Storrs, CT

Average snowfall in May - Storrs, CT
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (0.94").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Storrs, CT

Average snowfall days in May - Storrs, CT
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (5.4 days).
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
Storrs, CT

Average daylight in May / Average sunshine in May - Storrs, CT
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 8.3h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is December (Average sunshine: 4.7h).

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Average sunshine days in May
Storrs, CT

Average sunshine days in May - Storrs, CT
  • Average sunshine days in May: 16.6 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (14.9 days).

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Average UV index in May
Storrs, CT

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

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

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Average cloud cover in May
Storrs, CT

Average cloud cover in May - Storrs, CT
  • Average cloud cover in May: 48

Months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Storrs, CT

Average visibility in May - Storrs, CT
  • Average visibility in May: 5mi

Months with the highest visibility are January, February, March, April, October, November and December (6mi).
Months with the lowest visibility are May, June, July, August and September (5mi).

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