January weather forecast
Henlopen Acres, DE

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Weather in January

Engage in the chilly embrace of Henlopen Acres in January, as winter settles in. A continuous dance between temperatures from 33.1°F (0.6°C) to 41.4°F (5.2°C) reminds the denizens that winter is firmly here. Expect the bright sun to peak through occasionally as clouds sporadically reign supreme in the skies. A gentle breeze curtails the cold, but expect random gushes of wind to assert their authority occasionally. Layer up for the snow, a delightful addition to the picturesque city, making January a perfect month to enjoy the serene Delaware winter.

Temperature

In Henlopen Acres, Delaware, the lowest average temperatures are observed in January, with a high of 41.4°F (5.2°C) and a low of 33.1°F (0.6°C).

Humidity

In Henlopen Acres, the average relative humidity in January is 74%.

Rainfall

In Henlopen Acres, in January, during 5.7 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Henlopen Acres, during the entire year, the rain falls for 89.4 days and collects up to 6.18" (157mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Henlopen Acres. The months with the most snowfall in Henlopen Acres are January and December, with an average 0.12" (3mm) of accumulated snow.

Daylight

In January, the average length of the day in Henlopen Acres is 9h and 49min.
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 Henlopen Acres, the average sunshine in January is 5.5h.

UV index

The months with the lowest UV index in Henlopen Acres, Delaware, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 2 in January transforms into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Boost your sun resistance with garments that are densely woven yet spacious. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What time of the year is the coldest in Henlopen Acres?

With average high temperatures of 41.4°F (5.2°C) and lows of 33.1°F (0.6°C), January is the coldest month.

Is it cold in Henlopen Acres during January?

January temperatures in Henlopen Acres, Delaware, vary between a high-temperature of 41.4°F (5.2°C) and a low-temperature of 33.1°F (0.6°C).

What is the average humidity in January in Henlopen Acres?

In Henlopen Acres, the average relative humidity in January is 74%.

How much does it rain in Henlopen Acres in January?

In January, in Henlopen Acres, the rain falls for 5.7 days. Throughout January, 0.31" (8mm) of precipitation is accumulated.

When does it snow the most in Henlopen Acres?

The months with the most snowfall are January and December, with an average 0.12" (3mm) of accumulated snow.

How many days does it snow in January in Henlopen Acres?

In January, in Henlopen Acres, Delaware, it is snowing for 2.4 days. Throughout January, 0.12" (3mm) of snow is accumulated.

What is the average length of the day in January in Henlopen Acres?

In January, the average day length in Henlopen Acres is 9h and 49min.

When are sunrise and sunset in January in Henlopen Acres?

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, sunrise is at 7:07 am and sunset at 5:20 pm EST.

How long on average sun shines in January in Henlopen Acres?

In January, the average sunshine duration is 5.5h.

What is the month with the lowest UV index in Henlopen Acres?

The months with the lowest UV index in Henlopen Acres are January, February and December, with an average maximum UV index of 2.

What is the UV index reading in January in Henlopen Acres?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Henlopen Acres, DE

Average temperature in January - Henlopen Acres, DE
  • Average high temperature in January: 41.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in January: 33.1°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in January
Henlopen Acres, DE

Average pressure in January - Henlopen Acres, 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
Henlopen Acres, DE

Average wind speed in January - Henlopen Acres, DE
  • Average wind speed in January: 13mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

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Average humidity in January
Henlopen Acres, DE

Average humidity in January - Henlopen Acres, DE
  • Average humidity in January: 74%

The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in January
Henlopen Acres, DE

Average rainfall in January - Henlopen Acres, DE
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is October (0.71").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in January
Henlopen Acres, DE

Average rainfall days in January - Henlopen Acres, DE
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is November (4.9 days).

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Average snowfall in January
Henlopen Acres, DE

Average snowfall in January - Henlopen Acres, DE
  • Average snowfall in January: 0.12"

The months with the highest snowfall are January and December (0.12").
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
Henlopen Acres, DE

Average snowfall days in January - Henlopen Acres, DE
  • Average snowfall days in January: 2.4 days

The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Henlopen Acres, DE

Average daylight in January / Average sunshine in January - Henlopen Acres, 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 6min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in January
Henlopen Acres, DE

Average sunshine days in January - Henlopen Acres, DE
  • Average sunshine days in January: 23.5 days

The month with the most sunshine days is January (23.5 days).
The months with the least sunshine days are June and July (18.2 days).

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Average UV index in January
Henlopen Acres, DE

Average UV index in January - Henlopen Acres, 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, February and December (UV index 2).

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Average cloud cover in January
Henlopen Acres, DE

Average cloud cover in January - Henlopen Acres, DE
  • Average cloud cover in January: 41

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).

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Average visibility in January
Henlopen Acres, DE

Average visibility in January - Henlopen Acres, 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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Henlopen Acres, Delaware, USA

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