January weather forecast
Slaughter Beach, DE

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Weather in January

January in Slaughter Beach, Delaware brings a cold winter chill, with temperatures fluctuating between 29.7°F and 40.6°F, making it the coldest month of the year. Shorter hours of daylight, paired with increased cloud percentage makes the winter weather feel even colder. Distinct winter precipitation patterns manifest, with both rainfall and snowfall events markedly noticeable. Despite the lower temperatures, the relative humidity remains consistent. The brisk, winter wind is another factor to consider while planning outdoor activities during January.

Temperature

January is the coldest month of the year in Slaughter Beach, registering average temperatures as high as 40.6°F and as low as 29.7°F.

Humidity

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

Rainfall

The month with the least rainfall in Slaughter Beach is January, when the rain falls for 8.4 days and typically collects 1.5" of precipitation.

Snowfall

January through March, May, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 3.3 days and typically aggregates up to 1.22" of snow.

Daylight

The average length of the day in January is 9h and 49min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:49 pm. On the last day of January, in Slaughter Beach, Delaware, sunrise is at 7:08 am and sunset at 5:21 pm EST.

Sunshine

In Slaughter Beach, the average sunshine in January is 5.4h.

UV index

The months with the lowest UV index in Slaughter Beach are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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FAQ

What time of the year is the coldest in Slaughter Beach?

January is the coldest month, with the temperature often reaching an average high of 40.6°F and an average low of 29.7°F.

How cold does it get in Slaughter Beach in January?

In January, the average high-temperature and low-temperature are 40.6°F and 29.7°F respectively.

What is the least humid month in Slaughter Beach?

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

What is the average humidity in January in Slaughter Beach?

In January, the average relative humidity in Slaughter Beach, Delaware, is 74%.

What is the driest month in Slaughter Beach?

January is the month with the least rainfall in Slaughter Beach. Rain falls for 8.4 days and accumulates 1.5" of precipitation.

How many days does it rain in January in Slaughter Beach?

In Slaughter Beach, in January, during 8.4 rainfall days, 1.5" of precipitation is typically accumulated.

When does it snow the most in Slaughter Beach?

The month with the most snowfall in Slaughter Beach, Delaware, is January, when snow falls for 3.3 days and typically aggregates up to 1.22" of snow.

How much does it snow in Slaughter Beach in January?

In Slaughter Beach, Delaware, in January, snow falls for 3.3 days, with typically accumulated 1.22" of snow.

How many hours of daylight does Slaughter Beach have in January?

In Slaughter Beach, the average day length in January is 9h and 49min.

When is the sunrise / sunset in January in Slaughter Beach?

On the first day of January in Slaughter Beach, sunrise is at 7:19 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:21 pm EST.

How long on average sun shines in January in Slaughter Beach?

The average sunshine duration in January is 5.4h.

When is the lowest UV index in Slaughter Beach?

The months with the lowest UV index in Slaughter Beach are January and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Slaughter Beach?

In Slaughter Beach, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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 January
Slaughter Beach, DE

Average temperature in January - Slaughter Beach, DE
  • Average high temperature in January: 40.6°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in January: 29.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in January
Slaughter Beach, DE

Average pressure in January - Slaughter Beach, 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
Slaughter Beach, DE

Average wind speed in January - Slaughter Beach, DE
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in January
Slaughter Beach, DE

Average humidity in January - Slaughter Beach, DE
  • Average humidity in January: 74%

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

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Average rainfall in January
Slaughter Beach, DE

Average rainfall in January - Slaughter Beach, DE
  • Average rainfall in January: 1.5"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in January
Slaughter Beach, DE

Average rainfall days in January - Slaughter Beach, DE
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in January
Slaughter Beach, DE

Average snowfall in January - Slaughter Beach, 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, June, July, August, September and October (0").

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Average snowfall days in January
Slaughter Beach, DE

Average snowfall days in January - Slaughter Beach, DE
  • Average snowfall days in January: 3.3 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Slaughter Beach, DE

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in January
Slaughter Beach, DE

Average sunshine days in January - Slaughter Beach, DE
  • Average sunshine days in January: 19.6 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in January
Slaughter Beach, DE

Average UV index in January - Slaughter Beach, 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
Slaughter Beach, DE

Average cloud cover in January - Slaughter Beach, DE
  • Average cloud cover in January: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in January
Slaughter Beach, DE

Average visibility in January - Slaughter Beach, 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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Slaughter Beach, Delaware, USA

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