January weather forecast
Marlow Heights, MD

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Weather in January

January, like December, in Marlow Heights, Maryland, is an icy winter month, with an average temperature ranging between max 40.6°F (4.8°C) and min 27.5°F (-2.5°C).

Temperature

January proves to be the coldest month, recording an average maximum temperature of 40.6°F (4.8°C) and a minimum temperature of 27.5°F (-2.5°C).

Humidity

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

Rainfall

The month with the least rainfall in Marlow Heights is January, when the rain falls for 9.3 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. The month with the most snowfall is January, when snow falls for 3.8 days and typically aggregates up to 2.17" (55mm) of snow.

Daylight

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

Sunshine

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Marlow Heights.

UV index

The months with the lowest UV index in Marlow Heights are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 2 in January translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Marlow Heights?

January is the coldest month in Marlow Heights, exhibiting average temperatures of 40.6°F (4.8°C) at the peak and 27.5°F (-2.5°C) at the base.

Is it cold in Marlow Heights during January?

During January, Marlow Heights experiences an average high-temperature of 40.6°F (4.8°C) and a low-temperature of 27.5°F (-2.5°C).

What is the average humidity in January in Marlow Heights?

The average relative humidity in January in Marlow Heights, Maryland, is 72%.

What is the driest month in Marlow Heights?

January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in January in Marlow Heights?

In Marlow Heights, during January, the rain falls for 9.3 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When does it snow the most in Marlow Heights?

The month with the most snowfall is January, when snow falls for 3.8 days and typically aggregates up to 2.17" (55mm) of snow.

How many days does it snow in January in Marlow Heights?

In Marlow Heights, Maryland, in January, snow falls for 3.8 days, with typically accumulated 2.17" (55mm) of snow.

How many hours of daylight does Marlow Heights have in January?

In January, the average day length in Marlow Heights, Maryland, is 9h and 49min.

When are sunrise and sunset in January in Marlow Heights?

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, sunrise is at 7:14 am and sunset at 5:27 pm EST.

What is the month with the least sunshine in Marlow Heights?

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Marlow Heights, Maryland.

How long on average sun shines in January in Marlow Heights?

The average sunshine duration in January in Marlow Heights, Maryland, is 5.1h.

What is the month with the lowest UV index in Marlow Heights?

The months with the lowest UV index in Marlow Heights, Maryland, are January and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Marlow Heights?

In Marlow Heights, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46°F 7.8°C
40.6°F 4.8°C
44.8°F 7.1°C
Average low temperature
34.2°F 1.2°C
27.5°F -2.5°C
30.2°F -1°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.07" 764mmHg
Average wind speed
7mph 11.3km/h
7.6mph 12.2km/h
7.8mph 12.6km/h
Average max. wind speed
7.6mph 12.2km/h
8.3mph 13.4km/h
8.3mph 13.4km/h
Average wind speed gusts
10.7mph 17.2km/h
11.5mph 18.5km/h
11.9mph 19.2km/h
Average humidity
75%
72%
73%
Average rainfall
1.93" 49mm
1.57" 40mm
1.77" 45mm
Average rainfall days
10
9.3
9.3
Average snowfall
0.79" 20mm
2.17" 55mm
1.81" 46mm
Average snowfall days
1.7
3.8
3.8
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 1min
5h 1min
Average sunshine days
19
18.2
15.9
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
Marlow Heights, MD

Average temperature in January - Marlow Heights, MD
  • Average high temperature in January: 40.6°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in January: 27.5°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 (27.5°F).

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Average pressure in January
Marlow Heights, MD

Average pressure in January - Marlow 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 (29.95"Hg).

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Average wind speed in January
Marlow Heights, MD

Average wind speed in January - Marlow Heights, MD
  • Average wind speed in January: 7.6mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in January
Marlow Heights, MD

Average humidity in January - Marlow Heights, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in January
Marlow Heights, MD

Average rainfall in January - Marlow Heights, MD
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in January
Marlow Heights, MD

Average rainfall days in January - Marlow Heights, MD
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in January
Marlow Heights, MD

Average snowfall in January - Marlow Heights, MD
  • Average snowfall in January: 2.17"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Marlow Heights, MD

Average snowfall days in January - Marlow Heights, MD
  • Average snowfall days in January: 3.8 days

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

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Average daylight in January /
Average sunshine in January
Marlow Heights, MD

Average daylight in January / Average sunshine in January - Marlow Heights, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days in January
Marlow Heights, MD

Average sunshine days in January - Marlow Heights, MD
  • Average sunshine days in January: 18.2 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in January
Marlow Heights, MD

Average UV index in January - Marlow Heights, MD
  • Average UV index in January: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in January
Marlow Heights, MD

Average cloud cover in January - Marlow 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 30).

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Average visibility in January
Marlow Heights, MD

Average visibility in January - Marlow Heights, 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).

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Marlow Heights, Maryland, USA

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