January weather forecast
White Marsh, MD

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Weather in January

January, like December, in White Marsh, Maryland, is a wintry winter month, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 27°F (-2.8°C).

Temperature

The coldest period tends to be January, when average temperatures fluctuate between a high of 38.5°F (3.6°C) and a low of 27°F (-2.8°C).

Humidity

In January, the average relative humidity is 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 7.9 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is January, when snow falls for 3.8 days and typically aggregates up to 1.85" (47mm) of snow.

Daylight

In January, the average length of the day is 9h and 46min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:24 pm EST.

Sunshine

In White Marsh, Maryland, the average sunshine in January is 5.2h.

UV index

January, February, November 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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

The month of January sees the average lowest temperatures, reaching 38.5°F (3.6°C) at the peak and 27°F (-2.8°C) at the low.

How cold is January?

In January, in White Marsh, the average high-temperature is 38.5°F (3.6°C), and the average low-temperature is 27°F (-2.8°C).

What is the average humidity in January?

In White Marsh, the average relative humidity in January is 74%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 7.9 days and typically collects 1.85" (47mm) of precipitation.

How many days does it rain in January?

In White Marsh, during January, the rain falls for 7.9 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 3.8 days and typically aggregates up to 1.85" (47mm) of snow.

How much does it snow in January?

In White Marsh, in January, snow falls for 3.8 days, with typically accumulated 1.85" (47mm) of snow.

How many hours of daylight does White Marsh have in January?

In White Marsh, the average day length in January is 9h and 46min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:25 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:24 pm EST.

How long on average sun shines in January?

In White Marsh, the average sunshine duration in January is 5.2h.

What are the months with the lowest UV index in White Marsh?

January, February, November 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 White Marsh, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
44.8°F 7.1°C
38.5°F 3.6°C
42.1°F 5.6°C
Average low temperature
33.4°F 0.8°C
27°F -2.8°C
29.5°F -1.4°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
8.5mph 13.7km/h
9.3mph 15km/h
9.3mph 15km/h
Average max. wind speed
9.3mph 15km/h
10.1mph 16.3km/h
10mph 16.1km/h
Average wind speed gusts
14.1mph 22.7km/h
15.1mph 24.3km/h
15.3mph 24.6km/h
Average humidity
77%
74%
76%
Average rainfall
2.4" 61mm
1.85" 47mm
1.89" 48mm
Average rainfall days
9.9
7.9
9.7
Average snowfall
0.71" 18mm
1.85" 47mm
1.57" 40mm
Average snowfall days
1.7
3.8
3.3
Average daylight
9h 2min
9h 5min
10h 4min
Average sunshine
5h 1min
5h 1min
5h 0min
Average sunshine days
18.7
19
15.4
Average UV index
2
2
2
Average cloud cover
44%
43%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
White Marsh, MD

Average temperature in January - White Marsh, MD
  • Average high temperature in January: 38.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
White Marsh, MD

Average pressure in January - White Marsh, MD
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
White Marsh, MD

Average wind speed in January - White Marsh, MD
  • Average wind speed in January: 9.3mph

The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in January
White Marsh, MD

Average humidity in January - White Marsh, MD
  • Average humidity in January: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in January
White Marsh, MD

Average rainfall in January - White Marsh, MD
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in January
White Marsh, MD

Average rainfall days in January - White Marsh, MD
  • Average rainfall days in January: 7.9 days

The months with the highest number of rainy days are May and July (17.6 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in January
White Marsh, MD

Average snowfall in January - White Marsh, MD
  • Average snowfall in January: 1.85"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
White Marsh, MD

Average snowfall days in January - White Marsh, MD
  • Average snowfall days in January: 3.8 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
White Marsh, MD

Average daylight in January / Average sunshine in January - White Marsh, 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 24min).

  • 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).

Average sunshine days in January
White Marsh, MD

Average sunshine days in January - White Marsh, MD
  • Average sunshine days in January: 19 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in January
White Marsh, MD

Average UV index in January - White Marsh, 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, February, November and December (UV index 2).

Average cloud cover in January
White Marsh, MD

Average cloud cover in January - White Marsh, 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 30).

Average visibility in January
White Marsh, MD

Average visibility in January - White Marsh, 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).

White Marsh, Maryland, USA

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