January weather forecast
Rockburn Commons, MD

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Weather in January

January, the same as December, is a wintry winter month in Rockburn Commons, Maryland, with an average temperature fluctuating between 38.8°F (3.8°C) and 27.3°F (-2.6°C).

Temperature

Rockburn Commons's January weather reaches an average high of 38.8°F (3.8°C) and an average low of 27.3°F (-2.6°C), making it the coldest month.

Humidity

The average relative humidity in January is 73%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.6 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 2.24" (57mm) of snow.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of January in Rockburn Commons, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:25 pm EST.

Sunshine

In Rockburn Commons, 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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, with an average high of 38.8°F (3.8°C) and a low of 27.3°F (-2.6°C), signifies the coldest month of the year.

How cold does it get in Rockburn Commons in January?

In January, the average high-temperature and low-temperature are 38.8°F (3.8°C) and 27.3°F (-2.6°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 73%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 8.6 days and accumulates 1.77" (45mm) of precipitation.

How many days does it rain in January?

In Rockburn Commons, in January, during 8.6 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

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 2.24" (57mm) of snow.

How much does it snow in January?

In January, it is snowing for 3.8 days. Throughout January, 2.24" (57mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 47min.

When is the sunrise / sunset in January in Rockburn Commons?

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:25 pm EST.

How many hours of sunshine does Rockburn Commons have in January?

In Rockburn Commons, the average sunshine duration in January is 5.2h.

What are the months with the lowest UV index?

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 reading 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 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
Rockburn Commons, MD

Average temperature in January - Rockburn Commons, MD
  • Average high temperature in January: 38.8°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 (38.8°F).

  • Average low temperature in January: 27.3°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in January
Rockburn Commons, MD

Average pressure in January - Rockburn Commons, 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
Rockburn Commons, MD

Average wind speed in January - Rockburn Commons, MD
  • Average wind speed in January: 8.9mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in January
Rockburn Commons, MD

Average humidity in January - Rockburn Commons, MD
  • Average humidity in January: 73%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in January
Rockburn Commons, MD

Average rainfall in January - Rockburn Commons, MD
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").

Average rainfall days in January
Rockburn Commons, MD

Average rainfall days in January - Rockburn Commons, MD
  • Average rainfall days in January: 8.6 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in January
Rockburn Commons, MD

Average snowfall in January - Rockburn Commons, MD
  • Average snowfall in January: 2.24"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Rockburn Commons, MD

Average snowfall days in January - Rockburn Commons, MD
  • Average snowfall days in January: 3.8 days

The month with the highest number of snowfall days is February (3.9 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
Rockburn Commons, MD

Average daylight in January / Average sunshine in January - Rockburn Commons, 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 6min).

Average sunshine days in January
Rockburn Commons, MD

Average sunshine days in January - Rockburn Commons, MD
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in January
Rockburn Commons, MD

Average UV index in January - Rockburn Commons, 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
Rockburn Commons, MD

Average cloud cover in January - Rockburn Commons, MD
  • Average cloud cover in January: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
Rockburn Commons, MD

Average visibility in January - Rockburn Commons, 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).

Rockburn Commons, Maryland, USA

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