January weather forecast
Glenmont Hills, MD

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Weather in January

January, the same as December, is another cold winter month in Glenmont Hills, Maryland, with an average temperature fluctuating between 39°F (3.9°C) and 26.2°F (-3.2°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 39°F (3.9°C) and a low of 26.2°F (-3.2°C).

Humidity

In Glenmont Hills, the average relative humidity in January is 73%.

Rainfall

January is the month with the least rainfall in Glenmont Hills. Rain falls for 9.3 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Glenmont Hills. The months with the most snowfall are January and March, with an average 3.03" (77mm) of accumulated snow.

Daylight

In January, the average length of the day in Glenmont Hills is 9h and 48min.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of January, in Glenmont Hills, Maryland, sunrise is at 7:15 am and sunset at 5:27 pm EST.

Sunshine

In January, the average sunshine is 5.1h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glenmont Hills, Maryland. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in Glenmont Hills?

In Glenmont Hills, Maryland, the lowest temperatures are generally noted in January, averaging a high of 39°F (3.9°C) and a low of 26.2°F (-3.2°C).

Is January cold in Glenmont Hills?

During January, Glenmont Hills experiences an average high-temperature of 39°F (3.9°C) and a low-temperature of 26.2°F (-3.2°C).

What is the average humidity in January in Glenmont Hills?

In Glenmont Hills, the average relative humidity in January is 73%.

What is the driest month in Glenmont Hills?

January is the month with the least rainfall in Glenmont Hills, Maryland. Rain falls for 9.3 days and accumulates 2.17" (55mm) of precipitation.

How many days does it rain in January in Glenmont Hills?

In Glenmont Hills, Maryland, in January, it is raining for 9.3 days, with typically 2.17" (55mm) of accumulated precipitation.

When does it snow the most in Glenmont Hills?

The months with the most snowfall in Glenmont Hills, Maryland, are January and March, with an average 3.03" (77mm) of accumulated snow.

How many days does it snow in January in Glenmont Hills?

In January, in Glenmont Hills, it is snowing for 5.1 days. Throughout January, 3.03" (77mm) of snow is accumulated.

How many hours of daylight does Glenmont Hills have in January?

In January, the average day length in Glenmont Hills, Maryland, is 9h and 48min.

When is the sunrise / sunset in January in Glenmont Hills?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of the month, in Glenmont Hills, sunrise is at 7:15 am and sunset at 5:27 pm EST.

How long on average sun shines in January in Glenmont Hills?

The average sunshine duration in January in Glenmont Hills is 5.1h.

What are the months with the lowest UV index in Glenmont Hills?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glenmont Hills, Maryland.

What is the UV index intensity in January in Glenmont Hills?

In Glenmont Hills, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
45.3°F 7.4°C
39°F 3.9°C
43.9°F 6.6°C
Average low temperature
32.9°F 0.5°C
26.2°F -3.2°C
28.8°F -1.8°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.07" 764mmHg
Average wind speed
7.1mph 11.4km/h
7.8mph 12.6km/h
7.9mph 12.7km/h
Average max. wind speed
7.8mph 12.6km/h
8.5mph 13.7km/h
8.5mph 13.7km/h
Average wind speed gusts
11.4mph 18.3km/h
12.3mph 19.8km/h
12.6mph 20.3km/h
Average humidity
76%
73%
75%
Average rainfall
2.76" 70mm
2.17" 55mm
2.2" 56mm
Average rainfall days
10.2
9.3
9.5
Average snowfall
1.38" 35mm
3.03" 77mm
2.32" 59mm
Average snowfall days
2.9
5.1
5.1
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 1min
5h 0min
Average sunshine days
17.5
18.1
14.6
Average UV index
2
2
3
Average cloud cover
45%
45%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Glenmont Hills, MD

Average temperature in January - Glenmont Hills, MD
  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in January: 26.2°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in January
Glenmont Hills, MD

Average pressure in January - Glenmont Hills, 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 (29.95"Hg).

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Average wind speed in January
Glenmont Hills, MD

Average wind speed in January - Glenmont Hills, MD
  • Average wind speed in January: 7.8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in January
Glenmont Hills, MD

Average humidity in January - Glenmont Hills, MD
  • Average humidity in January: 73%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in January
Glenmont Hills, MD

Average rainfall in January - Glenmont Hills, MD
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in January
Glenmont Hills, MD

Average rainfall days in January - Glenmont Hills, MD
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in January
Glenmont Hills, MD

Average snowfall in January - Glenmont Hills, MD
  • Average snowfall in January: 3.03"

The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Glenmont Hills, MD

Average snowfall days in January - Glenmont Hills, MD
  • Average snowfall days in January: 5.1 days

The months with the highest number of snowfall days are January and February (5.1 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
Glenmont Hills, MD

Average daylight in January / Average sunshine in January - Glenmont Hills, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in January
Glenmont Hills, MD

Average sunshine days in January - Glenmont Hills, MD
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

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Average UV index in January
Glenmont Hills, MD

Average UV index in January - Glenmont Hills, 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, November and December (UV index 2).

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Average cloud cover in January
Glenmont Hills, MD

Average cloud cover in January - Glenmont Hills, MD
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in January
Glenmont Hills, MD

Average visibility in January - Glenmont Hills, MD
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Glenmont Hills, Maryland, USA

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