April weather forecast
New London, CT

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A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water
A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water

Weather in April

April carries the warmth of spring further into the year in New London, Connecticut. A noticeable increase in temperatures and daylight hours illuminates the city with a gentle radiance. Temperatures during this month can be expected to sway from 42.4°F to 53.4°F, while snowfall becomes almost negligible with an average of 0.08". Some intermittent rains nurture the blooming foliage, adding a vibrant green touch to the city. April's mild weather perfectly complements the bloom of flora across New London.

Temperature

New London's April weather shows an increase in high-temperatures, moving from March's frosty 43.3°F to a cool 53.4°F. During the nights in April, New London experiences a consistent average temperature of 42.4°F.

Humidity

The months with the lowest humidity are January, March, April and November, with an average relative humidity of 74%.

Rainfall

In New London, in April, it is raining for 14.9 days, with typically 3.11" of accumulated precipitation. In New London, during the entire year, the rain falls for 159.8 days and collects up to 33.07" of precipitation.

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.7 snowfall days, in April, New London aggregates 0.08" of snow. In New London, Connecticut, during the entire year, snow falls for 24 days and aggregates up to 7.68" of snow.

Ocean temperature

In New London, in April, the average water temperature is 44.4°F.
Note: With an efficient thermal swimsuit, one can navigate 44.4°F even if it's colder than 50°F; otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F feels chilly.

Daylight

The average length of the day in April is 13h and 21min.
On the first day of April in New London, sunrise is at 6:31 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:44 pm EDT.

Sunshine

In April, the average sunshine in New London is 8.4h.

UV index

In New London, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 3 during April morphs into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What is the usual temperature for New London in April?

During April, New London experiences an average high-temperature of 53.4°F and a low-temperature of 42.4°F.

What is the least humid month in New London?

January, March, April and November, with an average relative humidity of 74%, are the least humid months in New London.

What is the average humidity in April in New London?

The average relative humidity in April is 74%.

How much does it rain in New London in April?

In New London, in April, during 14.9 rainfall days, 3.11" of precipitation is typically accumulated.

What is the last month it snows in New London?

April is the last month it regularly snows. During 0.7 snowfall days, in April, New London aggregates 0.08" of snow.

What is the water temperature in April in New London?

In New London, Connecticut, in April, the average water temperature is 44.4°F. At temperatures below 50°F, swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F is not comfortable.

What is the average length of the day in April in New London?

In April, the average day length in New London, Connecticut, is 13h and 21min.

When is the sunrise / sunset in April in New London?

On the first day of April in New London, Connecticut, sunrise is at 6:31 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:44 pm EDT.

How many hours of sunshine does New London have in April?

In New London, Connecticut, the average sunshine duration in April is 8.4h.

What is the UV index reading in April in New London?

In April, the average daily maximum UV index in New London, Connecticut, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAprilMJJASOND
Mar
April
May
Average high temperature
43.3°F
53.4°F
63.3°F
Average low temperature
32.9°F
42.4°F
50.9°F
Average pressure
30.04"Hg
29.98"Hg
30.01"Hg
Average wind speed
11.4mph
10.6mph
9.1mph
Average max. wind speed
12.1mph
11.4mph
9.8mph
Average wind speed gusts
17.8mph
17mph
14.9mph
Average humidity
74%
74%
78%
Average rainfall
2.95"
3.11"
2.52"
Average rainfall days
13.8
14.9
15.6
Average snowfall
2.56"
0.08"
0"
Average snowfall days
5.1
0.7
0.1
Average sea temperature
39.8°F
44.4°F
51.9°F
Average daylight
12h 0min
13h 2min
14h 3min
Average sunshine
6h 1min
8h 2min
8h 4min
Average sunshine days
13.5
13.8
13.4
Average UV index
2
3
5
Average cloud cover
47%
44%
44%
Average visibility
6mi
6mi
6mi

Average temperature in April
New London, CT

Average temperature in April - New London, CT
  • Average high temperature in April: 53.4°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 April: 42.4°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).

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Average pressure in April
New London, CT

Average pressure in April - New London, CT
  • Average pressure in April: 29.98"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 April
New London, CT

Average wind speed in April - New London, CT
  • Average wind speed in April: 10.6mph

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).

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Average humidity in April
New London, CT

Average humidity in April - New London, CT
  • Average humidity in April: 74%

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

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Average rainfall in April
New London, CT

Average rainfall in April - New London, CT
  • Average rainfall in April: 3.11"

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

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Average rainfall days in April
New London, CT

Average rainfall days in April - New London, CT
  • Average rainfall days in April: 14.9 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).

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Average snowfall in April
New London, CT

Average snowfall in April - New London, CT
  • Average snowfall in April: 0.08"

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").

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Average snowfall days in April
New London, CT

Average snowfall days in April - New London, CT
  • Average snowfall days in April: 0.7 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).

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Average sea temperature in April
New London, CT

Average sea temperature in April - New London, CT
  • Average sea temperature in April: 44.4°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).

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Average daylight in April /
Average sunshine in April
New London, CT

Average daylight in April / Average sunshine in April - New London, CT
  • Average daylight in April: 13h and 2min

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 April: 8h and 2min

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 April
New London, CT

Average sunshine days in April - New London, CT
  • Average sunshine days in April: 13.8 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).

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Average UV index in April
New London, CT

Average UV index in April - New London, CT
  • Average UV index in April: 3

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 April
New London, CT

Average cloud cover in April - New London, CT
  • Average cloud cover in April: 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).

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Average visibility in April
New London, CT

Average visibility in April - New London, CT
  • Average visibility in April: 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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New London, Connecticut, USA

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