January weather forecast
Harbour Glen, MD

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Weather in January

January, like December, in Harbour Glen, Maryland, is an icy winter month, with an average temperature ranging between max 39.6°F (4.2°C) and min 28.4°F (-2°C).

Temperature

With its high average temperature of 39.6°F (4.2°C) and a low of 28.4°F (-2°C), January is regarded as the coldest month.

Humidity

The months with the lowest humidity are January, March, April and November, with an average relative humidity of 72%.

Rainfall

In Harbour Glen, in January, it is raining for 9.9 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall in Harbour Glen. Snow falls for 4.4 days and accumulates 2.05" (52mm) of snow.

Daylight

In Harbour Glen, Maryland, the average length of the day in January is 9h and 48min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:25 pm EST.

Sunshine

In Harbour Glen, the average sunshine in January is 5.3h.

UV index

January, November 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: The UV index of 2 during January leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, with its average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 28.4°F (-2°C), holds the record as the coldest month.

How cold is it in January?

Harbour Glen in January has an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 28.4°F (-2°C).

What is the least humid month?

January, March, April and November, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in January in Harbour Glen?

The average relative humidity in January is 72%.

How much does it rain in January?

In January, the rain falls for 9.9 days. Throughout January, 2.01" (51mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 4.4 days and typically aggregates up to 2.05" (52mm) of snow.

How many days does it snow in January?

In Harbour Glen, in January, during 4.4 snowfall days, 2.05" (52mm) of snow is typically accumulated.

How many hours of daylight does Harbour Glen have in January?

In Harbour Glen, the average day length in January is 9h and 48min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:24 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:25 pm EST.

How many hours of sunshine does Harbour Glen have in January?

In Harbour Glen, the average sunshine duration in January is 5.3h.

What is the month with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat 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
Harbour Glen, MD

Average temperature in January - Harbour Glen, MD
  • Average high temperature in January: 39.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in January: 28.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in January
Harbour Glen, MD

Average pressure in January - Harbour Glen, MD
  • Average pressure in January: 30.1"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
Harbour Glen, MD

Average wind speed in January - Harbour Glen, MD
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in January
Harbour Glen, MD

Average humidity in January - Harbour Glen, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in January
Harbour Glen, MD

Average rainfall in January - Harbour Glen, MD
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in January
Harbour Glen, MD

Average rainfall days in January - Harbour Glen, MD
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in January
Harbour Glen, MD

Average snowfall in January - Harbour Glen, MD
  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Harbour Glen, MD

Average snowfall days in January - Harbour Glen, MD
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is January (4.4 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
Harbour Glen, MD

Average daylight in January / Average sunshine in January - Harbour Glen, 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 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).

Average sunshine days in January
Harbour Glen, MD

Average sunshine days in January - Harbour Glen, MD
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in January
Harbour Glen, MD

Average UV index in January - Harbour Glen, 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).

Average cloud cover in January
Harbour Glen, MD

Average cloud cover in January - Harbour Glen, MD
  • Average cloud cover in January: 43

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in January
Harbour Glen, MD

Average visibility in January - Harbour Glen, 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).

Harbour Glen, Maryland, USA

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