May weather forecast
Niantic, CT

Weather in May

The last month of the spring, May, is a comfortable month in Niantic, Connecticut, with an average temperature fluctuating between 63.3°F (17.4°C) and 50.9°F (10.5°C).

Temperature

In Niantic, the average high-temperature in May increases from a cool 53.4°F (11.9°C) in April to a comfortable 63.3°F (17.4°C). In Niantic, in May, the average low-temperature is 50.9°F (10.5°C).

Humidity

In Niantic, the average relative humidity in May is 78%.

Rainfall

In Niantic, in May, during 15.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Niantic, Connecticut, during the entire year, the rain falls for 159.8 days and collects up to 33.07" (840mm) of precipitation.

Snowfall

In Niantic, Connecticut, snow does not fall through October.

Ocean temperature

In Niantic, the average water temperature is 51.8°F (11°C).
Note: Swimming in 51.8°F (11°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Niantic, the average length of the day in May is 14h and 31min.
On the first day of May in Niantic, Connecticut, sunrise is at 5:45 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:14 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in May in Niantic is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. 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.
[Resources]

FAQ

What is the average humidity in May in Niantic?

The average relative humidity in May in Niantic is 78%.

How many days does it rain in May in Niantic?

In Niantic, in May, during 15.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow in Niantic?

In Niantic, Connecticut, snow does not fall in May through October.

Does it snow in Niantic in May?

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

How cold is the water in May in Niantic?

In Niantic, the average seawater temperature in May is 51.8°F (11°C). Swimming in 51.8°F (11°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Niantic have in May?

In May, the average day length in Niantic, Connecticut, is 14h and 31min.

When is the sunrise / sunset in May in Niantic?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 7:46 pm. On the last day of the month, in Niantic, sunrise is at 5:18 am and sunset at 8:14 pm EDT.

How long on average sun shines in May in Niantic?

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

What is the UV index reading in May in Niantic?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Niantic, CT

Average temperature in May - Niantic, CT
  • Average high temperature in May: 63.3°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

[Resources]

Average pressure in May
Niantic, CT

Average pressure in May - Niantic, 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).

[Resources]

Average wind speed in May
Niantic, CT

Average wind speed in May - Niantic, CT
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

[Resources]

Average humidity in May
Niantic, CT

Average humidity in May - Niantic, CT
  • Average humidity in May: 78%

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).

[Resources]

Average rainfall in May
Niantic, CT

Average rainfall in May - Niantic, CT
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.65").

[Resources]

Average rainfall days in May
Niantic, CT

Average rainfall days in May - Niantic, CT
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).

[Resources]

Average snowfall in May
Niantic, CT

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

The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in May
Niantic, CT

Average snowfall days in May - Niantic, CT
  • Average snowfall days in May: 0.1 days

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

[Resources]

Average sea temperature in May
Niantic, CT

Average sea temperature in May - Niantic, CT
  • Average sea temperature in May: 51.9°F

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

[Resources]

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

Average daylight in May / Average sunshine in May - Niantic, 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).

[Resources]

Average sunshine days in May
Niantic, CT

Average sunshine days in May - Niantic, CT
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (12.5 days).

[Resources]

Average UV index in May
Niantic, CT

Average UV index in May - Niantic, 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).

[Resources]

Average cloud cover in May
Niantic, CT

Average cloud cover in May - Niantic, CT
  • Average cloud cover in May: 44

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 29).

[Resources]

Average visibility in May
Niantic, CT

Average visibility in May - Niantic, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location