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

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

Humidity

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

Rainfall

The month with the least rainfall is January, when the rain falls for 7.4 days and typically collects 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 January, the average length of the day in Millsboro is 9h and 50min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:21 pm EST.

Sunshine

The average sunshine in January in Millsboro, Delaware, is 5.5h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the coldest time of year in Millsboro?

The lowest temperatures are recorded in January, with averages reaching a high of 41.7°F (5.4°C) and a low of 31.5°F (-0.3°C).

Is January cold in Millsboro?

In Millsboro, in January, 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?

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

What is the average humidity in January in Millsboro?

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

What is the driest month in Millsboro?

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 Millsboro?

In Millsboro, during January, the rain falls for 7.4 days and regularly aggregates up to 1.46" (37mm) of precipitation.

What is the snowiest month in Millsboro?

January is the month with the most snowfall in Millsboro, Delaware. Snow falls for 3.1 days and accumulates 1.22" (31mm) of snow.

How much does it snow in Millsboro in January?

In Millsboro, Delaware, 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 are sunrise and sunset in January in Millsboro?

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, in Millsboro, sunrise is at 7:07 am and sunset at 5:21 pm EST.

How many hours of sunshine does Millsboro have in January?

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

What are the months with the lowest UV index in Millsboro?

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

What is the UV index intensity in January in Millsboro?

In Millsboro, Delaware, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe 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 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Millsboro, Delaware, USA

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