January weather forecast
College Park, MD

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Weather in January

Beginning the year with a wintry chill, January in College Park, Maryland, sees a significant drop in temperatures following the mild December. Days are typically overcast with frequent rain and relative humidity of 72%. Snowfall becomes a common occurrence, with snow on the ground around 4.5 days of the month and total snowfall reaching 2.48" (63mm). Enjoying just 5.2 hours of sunshine per day, January is a month for warm coats and hot drinks. Although wind speeds are moderate at 7.5mph (12.1km/h), gusts can reach up to 11.5mph (18.5km/h), adding to the winter chill.

Temperature

College Park records the coldest temperatures in January, averaging a high of 40.6°F (4.8°C) and a low of 27.7°F (-2.4°C).

Humidity

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

Rainfall

In College Park, in January, it is raining for 9.9 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 158.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 4.5 days and accumulates 2.48" (63mm) of snow.

Daylight

In January, the average length of the day 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

In January, the average sunshine is 5.2h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in College Park?

January, recording an average high temperature of 40.6°F (4.8°C) and a low temperature of 27.7°F (-2.4°C), is College Park's coldest month.

Is it cold during January?

In College Park, 40.6°F (4.8°C) is the average high-temperature and 27.7°F (-2.4°C) is the average low-temperature during January.

What is the average humidity in January?

The average relative humidity in January is 72%.

How many days does it rain in January?

In College Park, during January, the rain falls for 9.9 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 4.5 days and typically aggregates up to 2.48" (63mm) of snow.

How much does it snow in January?

In College Park, during January, snow falls for 4.5 days and regularly aggregates up to 2.48" (63mm) of snow.

What is the average length of the day in January in College Park?

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

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 7:15 am and sunset at 5:27 pm EST.

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

The average sunshine duration in January is 5.2h.

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.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46.2°F 7.9°C
40.6°F 4.8°C
45.1°F 7.3°C
Average low temperature
34°F 1.1°C
27.7°F -2.4°C
30.2°F -1°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.07" 764mmHg
Average wind speed
6.8mph 10.9km/h
7.5mph 12.1km/h
7.6mph 12.2km/h
Average max. wind speed
7.4mph 11.9km/h
8.1mph 13km/h
8.2mph 13.2km/h
Average wind speed gusts
10.6mph 17.1km/h
11.5mph 18.5km/h
11.9mph 19.2km/h
Average humidity
76%
72%
74%
Average rainfall
2.68" 68mm
2.05" 52mm
2.17" 55mm
Average rainfall days
10.6
9.9
10.6
Average snowfall
1.02" 26mm
2.48" 63mm
2.24" 57mm
Average snowfall days
2.5
4.5
4.3
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 1min
5h 1min
Average sunshine days
17.4
17.6
14.3
Average UV index
2
2
3
Average cloud cover
45%
43%
44%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
College Park, MD

Average temperature in January - College Park, MD
  • Average high temperature in January: 40.6°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in January: 27.7°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in January
College Park, MD

Average pressure in January - College Park, 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).

Average wind speed in January
College Park, MD

Average wind speed in January - College Park, MD
  • Average wind speed in January: 7.5mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
College Park, MD

Average humidity in January - College Park, 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 Park, MD

Average rainfall in January - College Park, MD
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in January
College Park, MD

Average rainfall days in January - College Park, MD
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in January
College Park, MD

Average snowfall in January - College Park, MD
  • Average snowfall in January: 2.48"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
College Park, MD

Average snowfall days in January - College Park, MD
  • Average snowfall days in January: 4.5 days

The month with the highest number of snowfall days is January (4.5 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 Park, MD

Average daylight in January / Average sunshine in January - College Park, 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 6min).

Average sunshine days in January
College Park, MD

Average sunshine days in January - College Park, MD
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in January
College Park, MD

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

Average cloud cover in January - College Park, 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 30).

Average visibility in January
College Park, MD

Average visibility in January - College Park, 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).

College Park, Maryland, USA

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