January weather forecast
Green Hill Acres, MD

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Weather in January

January, the same as December, is an icy winter month in Green Hill Acres, Maryland, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 36.1°F (2.3°C).

Temperature

With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 22.8°F (-5.1°C), January is the coldest month.

Humidity

In January, the average relative humidity is 76%.

Rainfall

In January, in Green Hill Acres, the rain falls for 8.8 days. Throughout January, 2.05" (52mm) of precipitation is accumulated. In Green Hill Acres, during the entire year, the rain falls for 164.7 days and collects up to 29.17" (741mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall in Green Hill Acres. Snow falls for 9 days and accumulates 4.21" (107mm) of snow.

Daylight

In January, the average length of the day is 9h and 45min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:28 pm EST.

Sunshine

In Green Hill Acres, the average sunshine in January is 4.8h.

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 minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 12, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the coldest months in Green Hill Acres?

The coldest temperatures in Green Hill Acres, Maryland, occur during January, when averages reach a peak of 36.1°F (2.3°C) and a low of 22.8°F (-5.1°C).

How cold is it in Green Hill Acres in January?

An average high-temperature, in January, in Green Hill Acres, is 36.1°F (2.3°C) and the average low-temperature is 22.8°F (-5.1°C).

What is the average humidity in January in Green Hill Acres?

In January, the average relative humidity in Green Hill Acres is 76%.

How many days does it rain in January in Green Hill Acres?

In January, in Green Hill Acres, Maryland, the rain falls for 8.8 days. Throughout January, 2.05" (52mm) of precipitation is accumulated.

When does it snow the most in Green Hill Acres?

January is the month with the most snowfall. Snow falls for 9 days and accumulates 4.21" (107mm) of snow.

How much does it snow in Green Hill Acres in January?

In January, it is snowing for 9 days. Throughout January, 4.21" (107mm) of snow is accumulated.

How many hours of daylight does Green Hill Acres have in January?

The average day length in January in Green Hill Acres, Maryland, is 9h and 45min.

When is the sunrise / sunset in January in Green Hill Acres?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:56 pm. On the last day of the month, in Green Hill Acres, Maryland, sunrise is at 7:19 am and sunset at 5:28 pm EST.

How long on average sun shines in January in Green Hill Acres?

In January, the average sunshine duration in Green Hill Acres, Maryland, is 4.8h.

When is the lowest UV index in Green Hill Acres?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Green Hill Acres.

What is the UV index intensity in January in Green Hill Acres?

The average daily maximum UV index in January in Green Hill Acres is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41.5°F 5.3°C
36.1°F 2.3°C
40.3°F 4.6°C
Average low temperature
29.3°F -1.5°C
22.8°F -5.1°C
25.2°F -3.8°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.07" 764mmHg
Average wind speed
7mph 11.3km/h
7.7mph 12.4km/h
7.6mph 12.2km/h
Average max. wind speed
7.7mph 12.4km/h
8.5mph 13.7km/h
8.3mph 13.4km/h
Average wind speed gusts
11.4mph 18.3km/h
12.2mph 19.6km/h
12.2mph 19.6km/h
Average humidity
78%
76%
78%
Average rainfall
2.24" 57mm
2.05" 52mm
1.97" 50mm
Average rainfall days
11.2
8.8
10.4
Average snowfall
2.17" 55mm
4.21" 107mm
3.43" 87mm
Average snowfall days
5.2
9
7.5
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
4h 5min
4h 5min
4h 4min
Average sunshine days
16.3
15.9
13.2
Average UV index
2
2
2
Average cloud cover
49%
49%
49%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in January
Green Hill Acres, MD

Average temperature in January - Green Hill Acres, MD
  • Average high temperature in January: 36.1°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in January: 22.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in January
Green Hill Acres, MD

Average pressure in January - Green Hill Acres, 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
Green Hill Acres, MD

Average wind speed in January - Green Hill Acres, MD
  • Average wind speed in January: 7.7mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in January
Green Hill Acres, MD

Average humidity in January - Green Hill Acres, MD
  • Average humidity in January: 76%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in January
Green Hill Acres, MD

Average rainfall in January - Green Hill Acres, MD
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").

Average rainfall days in January
Green Hill Acres, MD

Average rainfall days in January - Green Hill Acres, MD
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in January
Green Hill Acres, MD

Average snowfall in January - Green Hill Acres, MD
  • Average snowfall in January: 4.21"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Green Hill Acres, MD

Average snowfall days in January - Green Hill Acres, MD
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Green Hill Acres, MD

Average daylight in January / Average sunshine in January - Green Hill Acres, MD
  • Average daylight in January: 9h and 4min

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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Green Hill Acres, MD

Average sunshine days in January - Green Hill Acres, MD
  • Average sunshine days in January: 15.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in January
Green Hill Acres, MD

Average UV index in January - Green Hill Acres, MD
  • Average UV index in January: 2

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Green Hill Acres, MD

Average cloud cover in January - Green Hill Acres, MD
  • Average cloud cover in January: 49

The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Green Hill Acres, MD

Average visibility in January - Green Hill Acres, MD
  • Average visibility in January: 5mi

The months with the highest visibility are April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, February, March, May, September and October (5mi).

Green Hill Acres, Maryland, USA

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