January weather forecast
Suitland, MD

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Weather in January

January, like December, in Suitland, Maryland, is an icy winter month, with an average temperature fluctuating between 40.1°F (4.5°C) and 28.2°F (-2.1°C).

Temperature

With average high temperatures of 40.1°F (4.5°C) and lows of 28.2°F (-2.1°C), January is the coldest month.

Humidity

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

Rainfall

January is the month with the least rainfall. Rain falls for 9.4 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.6 days and accumulates 2.76" (70mm) of snow.

Daylight

In January, the average length of the day in Suitland is 9h and 49min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:56 pm. On the last day of January, in Suitland, sunrise is at 7:14 am and sunset at 5:27 pm EST.

Sunshine

In January, the average sunshine 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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 2 in January translates into this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Suitland?

January is the coldest month of the year, registering average temperatures as high as 40.1°F (4.5°C) and as low as 28.2°F (-2.1°C).

How cold is it in Suitland in January?

January temperatures in Suitland vary between a high-temperature of 40.1°F (4.5°C) and a low-temperature of 28.2°F (-2.1°C).

What are the least humid months in Suitland?

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

What is the average humidity in January in Suitland?

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

What is the driest month in Suitland?

The month with the least rainfall in Suitland, Maryland, is January, when the rain falls for 9.4 days and typically collects 2.05" (52mm) of precipitation.

How much does it rain in Suitland in January?

In January, in Suitland, the rain falls for 9.4 days. Throughout January, 2.05" (52mm) of precipitation is accumulated.

What is the snowiest month in Suitland?

The month with the most snowfall in Suitland, Maryland, is January, when snow falls for 4.6 days and typically aggregates up to 2.76" (70mm) of snow.

How many days does it snow in January in Suitland?

In January, it is snowing for 4.6 days. Throughout January, 2.76" (70mm) of snow is accumulated.

How many hours of daylight does Suitland have in January?

In January, the average day length is 9h and 49min.

What time are sunrise and sunset in January in Suitland?

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 4:56 pm. On the last day of the month, in Suitland, sunrise is at 7:14 am and sunset at 5:27 pm EST.

How long on average sun shines in January in Suitland?

The average sunshine duration in January in Suitland is 5.3h.

When is the lowest UV index in Suitland?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Suitland, Maryland.

What is the UV index intensity in January in Suitland?

The average daily maximum UV index in January in Suitland, Maryland, is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
45.7°F 7.6°C
40.1°F 4.5°C
44.6°F 7°C
Average low temperature
34.7°F 1.5°C
28.2°F -2.1°C
30.9°F -0.6°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.07" 764mmHg
Average wind speed
7.6mph 12.2km/h
8.3mph 13.4km/h
8.3mph 13.4km/h
Average max. wind speed
8.2mph 13.2km/h
9mph 14.5km/h
8.9mph 14.3km/h
Average wind speed gusts
11.8mph 19km/h
12.8mph 20.6km/h
13.2mph 21.2km/h
Average humidity
76%
72%
74%
Average rainfall
2.68" 68mm
2.05" 52mm
2.17" 55mm
Average rainfall days
11.1
9.4
10.4
Average snowfall
1.06" 27mm
2.76" 70mm
1.89" 48mm
Average snowfall days
2.5
4.6
4.3
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 1min
Average sunshine days
16.7
18.1
14.2
Average UV index
2
2
3
Average cloud cover
44%
42%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Suitland, MD

Average temperature in January - Suitland, MD
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 28.2°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in January
Suitland, MD

Average pressure in January - Suitland, 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).

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Average wind speed in January
Suitland, MD

Average wind speed in January - Suitland, MD
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

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Average humidity in January
Suitland, MD

Average humidity in January - Suitland, MD
  • Average humidity in January: 72%

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

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Average rainfall in January
Suitland, MD

Average rainfall in January - Suitland, MD
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in January
Suitland, MD

Average rainfall days in January - Suitland, MD
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in January
Suitland, MD

Average snowfall in January - Suitland, MD
  • Average snowfall in January: 2.76"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Suitland, MD

Average snowfall days in January - Suitland, MD
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Suitland, MD

Average daylight in January / Average sunshine in January - Suitland, MD
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in January
Suitland, MD

Average sunshine days in January - Suitland, MD
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in January
Suitland, MD

Average UV index in January - Suitland, 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).

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Average cloud cover in January
Suitland, MD

Average cloud cover in January - Suitland, 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).

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Average visibility in January
Suitland, MD

Average visibility in January - Suitland, 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).

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Suitland, Maryland, USA

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