May weather forecast
Deep River, CT

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Weather in May

May, the last month of the spring in Deep River, is an enjoyable month, with an average temperature ranging between max 64.9°F (18.3°C) and min 50.7°F (10.4°C).

Temperature

The start of May signals an increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 64.9°F (18.3°C). Deep River's temperature in May lowers to a consistent average of 50.7°F (10.4°C) during the nights.

Humidity

The months with the highest humidity in Deep River are May through July, with an average relative humidity of 78%.

Rainfall

In Deep River, in May, it is raining for 16.8 days, with typically 2.76" (70mm) of accumulated precipitation. In Deep River, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Deep River aggregates 0.28" (7mm) of snow. In Deep River, Connecticut, during the entire year, snow falls for 24.2 days and aggregates up to 9.53" (242mm) of snow.

Daylight

In May, the average length of the day in Deep River is 14h and 32min.
On the first day of May, sunrise is at 5:46 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:16 pm EDT.

Sunshine

In Deep River, Connecticut, the average sunshine in May is 8.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 5 in May translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What are the temperatures in Deep River in May?

In Deep River, 64.9°F (18.3°C) is the average high-temperature and 50.7°F (10.4°C) is the average low-temperature during May.

What are the most humid months in Deep River?

May through July, with an average relative humidity of 78%, are most humid months in Deep River.

What is the average humidity in May in Deep River?

In Deep River, Connecticut, the average relative humidity in May is 78%.

How many days does it rain in May in Deep River?

In Deep River, during May, the rain falls for 16.8 days and regularly aggregates up to 2.76" (70mm) of precipitation.

What is the last month it snows in Deep River?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Deep River aggregates 0.28" (7mm) of snow.

How many hours of daylight does Deep River have in May?

In Deep River, Connecticut, the average day length in May is 14h and 32min.

What time are sunrise and sunset in May in Deep River?

On the first day of May, sunrise is at 5:46 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:16 pm EDT.

How many hours of sunshine does Deep River have in May?

The average sunshine duration in May in Deep River, Connecticut, is 8.6h.

What is the UV index intensity in May in Deep River?

In Deep River, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Deep River, CT

Average temperature in May - Deep River, CT
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in May
Deep River, CT

Average pressure in May - Deep River, 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
Deep River, CT

Average wind speed in May - Deep River, CT
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in May
Deep River, CT

Average humidity in May - Deep River, CT
  • Average humidity in May: 78%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in May
Deep River, CT

Average rainfall in May - Deep River, CT
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in May
Deep River, CT

Average rainfall days in May - Deep River, CT
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

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Average snowfall in May
Deep River, CT

Average snowfall in May - Deep River, CT
  • Average snowfall in May: 0.28"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Deep River, CT

Average snowfall days in May - Deep River, CT
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (7 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
Deep River, CT

Average daylight in May / Average sunshine in May - Deep River, CT
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 4min

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 48min).

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Average sunshine days in May
Deep River, CT

Average sunshine days in May - Deep River, CT
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in May
Deep River, CT

Average UV index in May - Deep River, 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, November and December (UV index 2).

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Average cloud cover in May
Deep River, CT

Average cloud cover in May - Deep River, CT
  • Average cloud cover in May: 44

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Deep River, CT

Average visibility in May - Deep River, 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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Deep River, Connecticut, USA

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