January weather forecast
Millsboro, DE

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Weather in January

January swings in with a prevalent chill, embracing Millsboro with temperatures anywhere from 31.5°F (-0.3°C) to 41.7°F (5.4°C). This period sees an increase in humidity, resulting in relatively low clouds covering 41% of the sky. Despite these conditions, January ensures 20.1 days of sunlight setting hope for a brighter year. Winter winds blow at speeds upto 11.9mph (19.2km/h) making it a popular time for wind sports enthusiasts. The lower temperatures create a blanket of snow across the city, making it an ideal time for winter tourism.

Temperature

January, having an average high-temperature of 41.7°F (5.4°C) and an average low-temperature of 31.5°F (-0.3°C), is the coldest month.

Humidity

The months with the lowest humidity 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

January through March, November and December are months with snowfall. 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.

Daylight

In Millsboro, the average length of the day in January is 9h and 50min.
On the first day of January in Millsboro, sunrise is at 7:18 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:21 pm EST.

Sunshine

In January, the average sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

What part of the year is the coldest?

Millsboro reaches its average lowest temperatures in January, measuring 41.7°F (5.4°C) at the peak and 31.5°F (-0.3°C) at the lowest.

How cold does it get in January?

In January, in Millsboro, the average high-temperature is 41.7°F (5.4°C), and the average low-temperature is 31.5°F (-0.3°C).

What is the least humid month in Millsboro?

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

What is the average humidity in January?

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

What is the driest month?

The month with the least rainfall is January, when the rain falls for 7.4 days and typically collects 1.46" (37mm) of precipitation.

How many days does it rain in January?

In January, the rain falls for 7.4 days. Throughout January, 1.46" (37mm) of precipitation is accumulated.

What is the snowiest month?

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.

How many days does it snow in January?

In Millsboro, during January, snow falls for 3.1 days and regularly aggregates up to 1.22" (31mm) of snow.

How many hours of daylight does Millsboro have in January?

In Millsboro, the average day length in January is 9h and 50min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:21 pm EST.

How long on average sun shines in January?

In January, the average sunshine duration is 5.5h.

What is the month with the lowest UV index?

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

What is the UV index reading in January in Millsboro?

In Millsboro, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Millsboro, DE

Average temperature in January - Millsboro, 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).

Average pressure in January
Millsboro, DE

Average pressure in January - Millsboro, 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).

Average wind speed in January
Millsboro, DE

Average wind speed in January - Millsboro, 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).

Average humidity in January
Millsboro, DE

Average humidity in January - Millsboro, 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%).

Average rainfall in January
Millsboro, DE

Average rainfall in January - Millsboro, 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").

Average rainfall days in January
Millsboro, DE

Average rainfall days in January - Millsboro, 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).

Average snowfall in January
Millsboro, DE

Average snowfall in January - Millsboro, 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").

Average snowfall days in January
Millsboro, DE

Average snowfall days in January - Millsboro, 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).

Average daylight in January /
Average sunshine in January
Millsboro, DE

Average daylight in January / Average sunshine in January - Millsboro, 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).

Average sunshine days in January
Millsboro, DE

Average sunshine days in January - Millsboro, 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).

Average UV index in January
Millsboro, DE

Average UV index in January - Millsboro, 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).

Average cloud cover in January
Millsboro, DE

Average cloud cover in January - Millsboro, 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).

Average visibility in January
Millsboro, DE

Average visibility in January - Millsboro, 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).

Millsboro, Delaware, USA

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