January weather forecast and climate
Selbyville, DE

Weather in January

January, the same as December, is another cold winter month in Selbyville, Delaware, with average temperature ranging between min 32.9°F (0.5°C) and max 42.1°F (5.6°C).

Temperature

With an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 32.9°F (0.5°C), January is the coldest month.

Humidity

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

Rainfall

The month with the least rainfall is January when the rain falls for 7.4 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In January, it is snowing for 2.6 days. Throughout January, 0.83" (21mm) of snow is accumulated. In Selbyville, during the entire year, snow falls for 8.8 days, and aggregates up to 2.48" (63mm) of snow.

Daylight

In January, the average length of the day in Selbyville is 9.9h.

Sunshine

In Selbyville, the average sunshine in January is 5.4h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Selbyville. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Selbyville?

The coldest month is January, with an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 32.9°F (0.5°C).

What is the temperature in January in Selbyville?

In Selbyville, in January, the average high-temperature is 42.1°F (5.6°C), and the average low-temperature is 32.9°F (0.5°C).

What is the least humid month in Selbyville?

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

What is the average humidity in January in Selbyville?

The average relative humidity in January is 74%.

How much does it rain in Selbyville in January?

In January, in Selbyville, Delaware, the rain falls for 7.4 days. Throughout January, 1.5" (38mm) of precipitation is accumulated.

What is the driest month in Selbyville?

January is the month with the least rainfall in Selbyville, Delaware. Rain falls for 7.4 days and accumulates 1.5" (38mm) of precipitation.

How much does it snow in Selbyville in January?

In Selbyville, in January, snow falls for 2.6 days, with typically accumulated 0.83" (21mm) of snow.

How many hours of daylight does Selbyville have in January?

In Selbyville, Delaware, the average length of the day in January is 9.9h.

How long on average sun shines in January in Selbyville?

In January, the average sunshine in Selbyville, Delaware, is 5.4h.

When is the lowest UV index in Selbyville?

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

What is the UV index intensity in January in Selbyville?

In Selbyville, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in January
Selbyville, DE

Average temperature in January - Selbyville, DE
  • Average high temperature in January: 42.1°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 (42.1°F).

  • Average low temperature in January: 32.9°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in January
Selbyville, DE

Average pressure in January - Selbyville, DE
  • Average pressure in January: 30.09"

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

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Average wind speed in January
Selbyville, DE

Average wind speed in January - Selbyville, DE
  • Average wind speed in January: 12.8mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in January
Selbyville, DE

Average humidity in January - Selbyville, DE
  • Average humidity in January: 74%

The month with the highest relative humidity is May (82%).
Months with the lowest relative humidity are January and November (74%).

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Average rainfall in January
Selbyville, DE

Average rainfall in January - Selbyville, DE
  • Average rainfall in January: 1.5"

The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in January
Selbyville, DE

Average rainfall days in January - Selbyville, DE
  • Average rainfall days in January: 7.4 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in January
Selbyville, DE

Average snowfall in January - Selbyville, DE
  • Average snowfall in January: 0.83"

The month with the highest snowfall is February (0.87").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Selbyville, DE

Average snowfall days in January - Selbyville, DE
  • Average snowfall days in January: 2.6 days

The month with the highest number of snowfall days is January (2.6 days).
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
Selbyville, DE

Average daylight in January / Average sunshine in January - Selbyville, DE
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 5.4h

The month with the most sunshine is July (Average sunshine: 10.9h).
Months with the least sunshine are February and December (Average sunshine: 5.1).

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Average sunshine days in January
Selbyville, DE

Average sunshine days in January - Selbyville, DE
  • Average sunshine days in January: 19.7 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in January
Selbyville, DE

Average UV index in January - Selbyville, DE
  • Average UV index in January: 2

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

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Average cloud cover in January
Selbyville, DE

Average cloud cover in January - Selbyville, DE
  • Average cloud cover in January: 42

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Selbyville, DE

Average visibility in January - Selbyville, DE
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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