January weather forecast
Den Mar, MD

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Weather in January

January, like December, in Den Mar, Maryland, is a wintry winter month, with an average temperature varying between 40.6°F (4.8°C) and 30.2°F (-1°C).

Temperature

In Den Mar, the month of January is known for its lowest average temperatures, reaching a high of 40.6°F (4.8°C) and a low of 30.2°F (-1°C).

Humidity

January and November, with an average relative humidity of 72%, are the least humid months in Den Mar, Maryland.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.7 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall in Den Mar is January, when snow falls for 2.9 days and typically aggregates up to 0.75" (19mm) of snow.

Daylight

In January, the average length of the day is 9h and 50min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:55 pm. On the last day of January, in Den Mar, sunrise is at 7:13 am and sunset at 5:26 pm EST.

Sunshine

The average sunshine in January is 5.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What time of the year is the coldest in Den Mar?

Den Mar's January weather reaches an average high of 40.6°F (4.8°C) and an average low of 30.2°F (-1°C), making it the coldest month.

How cold is January in Den Mar?

The average high-temperature, in January, in Den Mar, is 40.6°F (4.8°C), while the average low-temperature is 30.2°F (-1°C).

What are the least humid months in Den Mar?

January and November, with an average relative humidity of 72%, are the least humid months in Den Mar.

What is the average humidity in January in Den Mar?

In January, the average relative humidity in Den Mar, Maryland, is 72%.

What is the driest month in Den Mar?

The month with the least rainfall in Den Mar, Maryland, is January, when the rain falls for 6.7 days and typically collects 0.67" (17mm) of precipitation.

How much does it rain in Den Mar in January?

In January, in Den Mar, the rain falls for 6.7 days. Throughout January, 0.67" (17mm) of precipitation is accumulated.

What is the snowiest month in Den Mar?

January is the month with the most snowfall. Snow falls for 2.9 days and accumulates 0.75" (19mm) of snow.

How much does it snow in Den Mar in January?

In January, it is snowing for 2.9 days. Throughout January, 0.75" (19mm) of snow is accumulated.

What is the average length of the day in January in Den Mar?

In Den Mar, Maryland, the average day length in January is 9h and 50min.

When is the sunrise / sunset in January in Den Mar?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:55 pm. On the last day of the month, in Den Mar, Maryland, sunrise is at 7:13 am and sunset at 5:26 pm EST.

How long on average sun shines in January in Den Mar?

The average sunshine duration in January in Den Mar, Maryland, is 5.3h.

When is the lowest UV index in Den Mar?

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

What is the UV index reading in January in Den Mar?

In January, the average daily maximum UV index in Den Mar, Maryland, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46.4°F 8°C
40.6°F 4.8°C
43.7°F 6.5°C
Average low temperature
36.5°F 2.5°C
30.2°F -1°C
32.5°F 0.3°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
9.2mph 14.8km/h
9.9mph 15.9km/h
9.8mph 15.8km/h
Average max. wind speed
9.8mph 15.8km/h
10.6mph 17.1km/h
10.5mph 16.9km/h
Average wind speed gusts
14.9mph 24km/h
15.8mph 25.4km/h
16.2mph 26.1km/h
Average humidity
75%
72%
74%
Average rainfall
0.91" 23mm
0.67" 17mm
0.83" 21mm
Average rainfall days
8.4
6.7
7.2
Average snowfall
0.28" 7mm
0.75" 19mm
0.43" 11mm
Average snowfall days
1.6
2.9
2.5
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 1min
Average sunshine days
19.9
20.9
18
Average UV index
2
2
3
Average cloud cover
43%
42%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Den Mar, MD

Average temperature in January - Den Mar, MD
  • Average high temperature in January: 40.6°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in January: 30.2°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 (30.2°F).

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Average pressure in January
Den Mar, MD

Average pressure in January - Den Mar, MD
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Den Mar, MD

Average wind speed in January - Den Mar, MD
  • Average wind speed in January: 9.9mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in January
Den Mar, MD

Average humidity in January - Den Mar, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

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Average rainfall in January
Den Mar, MD

Average rainfall in January - Den Mar, MD
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in January
Den Mar, MD

Average rainfall days in January - Den Mar, MD
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in January
Den Mar, MD

Average snowfall in January - Den Mar, MD
  • Average snowfall in January: 0.75"

The month with the highest snowfall is January (0.75").
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
Den Mar, MD

Average snowfall days in January - Den Mar, MD
  • Average snowfall days in January: 2.9 days

The month with the highest number of snowfall days is January (2.9 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
Den Mar, MD

Average daylight in January / Average sunshine in January - Den Mar, MD
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in January
Den Mar, MD

Average sunshine days in January - Den Mar, MD
  • Average sunshine days in January: 20.9 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

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Average UV index in January
Den Mar, MD

Average UV index in January - Den Mar, MD
  • 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
Den Mar, MD

Average cloud cover in January - Den Mar, MD
  • Average cloud cover in January: 42

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

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Average visibility in January
Den Mar, MD

Average visibility in January - Den Mar, MD
  • 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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Den Mar, Maryland, USA

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