January weather forecast
Glenarden, MD

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Weather in January

January, like December, in Glenarden, Maryland, is another cold winter month, with an average temperature varying between 39.9°F (4.4°C) and 27.7°F (-2.4°C).

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C).

Humidity

In Glenarden, the average relative humidity in January is 72%.

Rainfall

January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 2.01" (51mm) of precipitation.

Snowfall

January through April and December are months with snowfall. January is the month with the most snowfall. Snow falls for 4.1 days and accumulates 2.6" (66mm) of snow.

Daylight

In January, the average length of the day is 9h and 49min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:26 pm EST.

Sunshine

In January, the average sunshine is 5.1h.

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 hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 during January translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January, marked by an average high-temperature of 39.9°F (4.4°C) and a low-temperature of 27.7°F (-2.4°C), is the coldest month.

How cold is January?

The high-temperature during January is 39.9°F (4.4°C) and the low-temperature is 27.7°F (-2.4°C).

What is the average humidity in January?

In January, the average relative humidity is 72%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 2.01" (51mm) of precipitation.

How much does it rain in Glenarden in January?

In January, the rain falls for 9.3 days. Throughout January, 2.01" (51mm) of precipitation is accumulated.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 4.1 days and accumulates 2.6" (66mm) of snow.

How many days does it snow in January?

In Glenarden, during January, snow falls for 4.1 days and regularly aggregates up to 2.6" (66mm) of snow.

How many hours of daylight does Glenarden have in January?

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

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:26 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:26 pm EST.

How many hours of sunshine does Glenarden have in January?

In January, the average sunshine duration is 5.1h.

When is the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index estimate 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
Glenarden, MD

Average temperature in January - Glenarden, MD
  • Average high temperature in January: 39.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in January: 27.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in January
Glenarden, MD

Average pressure in January - Glenarden, MD
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Glenarden, MD

Average wind speed in January - Glenarden, MD
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Glenarden, MD

Average humidity in January - Glenarden, MD
  • Average humidity in January: 72%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in January
Glenarden, MD

Average rainfall in January - Glenarden, MD
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in January
Glenarden, MD

Average rainfall days in January - Glenarden, MD
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in January
Glenarden, MD

Average snowfall in January - Glenarden, MD
  • Average snowfall in January: 2.6"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in January
Glenarden, MD

Average snowfall days in January - Glenarden, MD
  • Average snowfall days in January: 4.1 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Glenarden, MD

Average daylight in January / Average sunshine in January - Glenarden, MD
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

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 0min).

Average sunshine days in January
Glenarden, MD

Average sunshine days in January - Glenarden, MD
  • Average sunshine days in January: 18.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in January
Glenarden, MD

Average UV index in January - Glenarden, 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).

Average cloud cover in January
Glenarden, MD

Average cloud cover in January - Glenarden, MD
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
Glenarden, MD

Average visibility in January - Glenarden, 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).

Glenarden, Maryland, USA

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