January weather forecast
College Heights, MD

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Weather in January

January, the same as December, is another cold winter month in College Heights, Maryland, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 27.7°F (-2.4°C).

Temperature

January is College Heights's coldest month, registering average high temperatures of 39.9°F (4.4°C) and lows of 27.7°F (-2.4°C).

Humidity

In College Heights, Maryland, 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. The month with the most snowfall is January, when snow falls for 4.1 days and typically aggregates up to 2.6" (66mm) of snow.

Daylight

In College Heights, the average length of the day in January is 9h and 48min.
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 7:15 am and sunset at 5:27 pm EST.

Sunshine

The average sunshine in January is 5.1h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 2 in January transforms into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What part of the year is the coldest?

College Heights's coldest weather arrives in January, when temperatures average a high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C).

Is it cold during January?

The high-temperature, in January, in College Heights, is 39.9°F (4.4°C), while the low-temperature averages to 27.7°F (-2.4°C).

What is the average humidity in January?

The average relative humidity in January 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 many days does it rain in January?

In College Heights, during January, the rain falls for 9.3 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When does it snow the most?

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

How much does it snow in January?

In College Heights, in January, during 4.1 snowfall days, 2.6" (66mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January in College Heights is 9h and 48min.

When is the sunrise / 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 7:15 am and sunset at 5:27 pm EST.

How many hours of sunshine does College Heights have in January?

The average sunshine duration in January is 5.1h.

What are the months with 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 intensity in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
College Heights, MD

Average temperature in January - College Heights, 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
College Heights, MD

Average pressure in January - College Heights, 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
College Heights, MD

Average wind speed in January - College Heights, 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
College Heights, MD

Average humidity in January - College Heights, 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
College Heights, MD

Average rainfall in January - College Heights, 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
College Heights, MD

Average rainfall days in January - College Heights, 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
College Heights, MD

Average snowfall in January - College Heights, 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
College Heights, MD

Average snowfall days in January - College Heights, 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
College Heights, MD

Average daylight in January / Average sunshine in January - College Heights, 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
College Heights, MD

Average sunshine days in January - College Heights, 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
College Heights, MD

Average UV index in January - College Heights, 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
College Heights, MD

Average cloud cover in January - College Heights, 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
College Heights, MD

Average visibility in January - College Heights, 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).

College Heights, Maryland, USA

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