January weather forecast
Long Neck, DE

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Weather in January

January in Long Neck, Delaware, tends to be characterized by cold temperatures, bracing winds, and typically a light snowfall. The chill in the air is most prominent during the evenings, with temperatures plunging to as low as 31.5°F (-0.3°C). The weather trends from the previous month generally extend into January, so locals are known to bundle up to stay warm. It is advisable to prepare for potential frost, particularly during the early mornings. Despite the cold, the breathtaking winter landscapes provide quite a spectacle, making January a favorite among snow photography enthusiasts.

Temperature

January, characterized by an average high temperature of 41.7°F (5.4°C) and a low temperature of 31.5°F (-0.3°C), is generally the coldest month in Long Neck, Delaware.

Humidity

The months with the lowest humidity in Long Neck are January and November, with an average relative humidity of 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is January, when snow falls for 3.1 days and typically aggregates up to 1.22" (31mm) of snow.

Ocean temperature

In Long Neck, in January, the average water temperature is 42.4°F (5.8°C).
Note: In 42.4°F (5.8°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).

Daylight

The average length of the day in January in Long Neck is 9h and 50min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:20 pm EST.

Sunshine

In January, the average sunshine in Long Neck is 5.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 2 in January translates into these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the coldest month in Long Neck?

With average high temperatures of 41.7°F (5.4°C) and lows of 31.5°F (-0.3°C), January is the coldest month.

Is it cold in Long Neck during January?

The high-temperature, in January, in Long Neck, is 41.7°F (5.4°C), while the low-temperature averages to 31.5°F (-0.3°C).

What are the least humid months in Long Neck?

January and November, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in January in Long Neck?

In January, the average relative humidity in Long Neck is 74%.

What is the driest month in Long Neck?

January is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in Long Neck in January?

In Long Neck, Delaware, in January, during 7.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When does it snow the most in Long Neck?

The month with the most snowfall in Long Neck, Delaware, is January, when snow falls for 3.1 days and typically aggregates up to 1.22" (31mm) of snow.

How many days does it snow in January in Long Neck?

In Long Neck, in January, snow falls for 3.1 days, with typically accumulated 1.22" (31mm) of snow.

How cold is the water in January in Long Neck?

In Long Neck, in January, the average water temperature is 42.4°F (5.8°C). Swimming in 42.4°F (5.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Long Neck have in January?

In Long Neck, Delaware, the average day length in January is 9h and 50min.

When are sunrise and sunset in January in Long Neck?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:49 pm. On the last day of the month, in Long Neck, Delaware, sunrise is at 7:07 am and sunset at 5:20 pm EST.

How long on average sun shines in January in Long Neck?

In Long Neck, the average sunshine duration in January is 5.5h.

What is the month with the lowest UV index in Long Neck?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Long Neck.

How high is the UV index in January in Long Neck?

In Long Neck, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
47.5°F 8.6°C
41.7°F 5.4°C
44.4°F 6.9°C
Average low temperature
37.8°F 3.2°C
31.5°F -0.3°C
33.1°F 0.6°C
Average pressure
30.1" 765mmHg
30.09" 764mmHg
30.06" 764mmHg
Average wind speed
10.5mph 16.9km/h
11.1mph 17.9km/h
11.1mph 17.9km/h
Average max. wind speed
11.3mph 18.2km/h
11.9mph 19.2km/h
11.8mph 19km/h
Average wind speed gusts
17mph 27.4km/h
17.9mph 28.8km/h
18.3mph 29.5km/h
Average humidity
76%
74%
75%
Average rainfall
1.69" 43mm
1.46" 37mm
1.77" 45mm
Average rainfall days
9.7
7.4
9.8
Average snowfall
0.43" 11mm
1.22" 31mm
1.02" 26mm
Average snowfall days
1.9
3.1
2.7
Average sea temperature
48.8°F 9.3°C
42.4°F 5.8°C
40.7°F 4.8°C
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 3min
5h 1min
Average sunshine days
18.9
20.1
15.8
Average UV index
2
2
3
Average cloud cover
43%
41%
44%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Long Neck, DE

Average temperature in January - Long Neck, DE
  • Average high temperature in January: 41.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in January: 31.5°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in January
Long Neck, DE

Average pressure in January - Long Neck, DE
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Long Neck, DE

Average wind speed in January - Long Neck, DE
  • Average wind speed in January: 11.1mph

The windiest months (with the highest average wind speed) are January, February and March (11.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in January
Long Neck, DE

Average humidity in January - Long Neck, DE
  • Average humidity in January: 74%

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

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Average rainfall in January
Long Neck, DE

Average rainfall in January - Long Neck, DE
  • Average rainfall in January: 1.46"

The wettest months (with the highest rainfall) are July and August (2.95").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in January
Long Neck, DE

Average rainfall days in January - Long Neck, DE
  • Average rainfall days in January: 7.4 days

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in January
Long Neck, DE

Average snowfall in January - Long Neck, DE
  • Average snowfall in January: 1.22"

The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Long Neck, DE

Average snowfall days in January - Long Neck, DE
  • Average snowfall days in January: 3.1 days

The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in January
Long Neck, DE

Average sea temperature in January - Long Neck, DE
  • Average sea temperature in January: 42.4°F

The best month for swimming (with the highest average sea temperature) is August (76.9°F).
The coldest month (with the lowest average sea temperature) is February (40.7°F).

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Average daylight in January /
Average sunshine in January
Long Neck, DE

Average daylight in January / Average sunshine in January - Long Neck, DE
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in January
Long Neck, DE

Average sunshine days in January - Long Neck, DE
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (12.2 days).

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Average UV index in January
Long Neck, DE

Average UV index in January - Long Neck, DE
  • Average UV index in January: 2

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

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Average cloud cover in January
Long Neck, DE

Average cloud cover in January - Long Neck, DE
  • Average cloud cover in January: 41

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Long Neck, DE

Average visibility in January - Long Neck, DE
  • Average visibility in January: 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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Long Neck, Delaware, USA

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