January weather forecast
Long Hill, MD

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Weather in January

January, the same as December, is an icy winter month in Long Hill, Maryland, with an average temperature ranging between max 39.6°F (4.2°C) and min 28.4°F (-2°C).

Temperature

Long Hill's January weather reaches an average high of 39.6°F (4.2°C) and an average low of 28.4°F (-2°C), making it the coldest month.

Humidity

January, March, April and November, with an average relative humidity of 72%, are the least humid months.

Rainfall

In January, the rain falls for 9.9 days. Throughout January, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.4 days and accumulates 2.05" (52mm) of snow.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:25 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 low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest month is January, with an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 28.4°F (-2°C).

How cold does it get in January?

Long Hill in January has an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 28.4°F (-2°C).

What are the least humid months in Long Hill?

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

What is the average humidity in January?

In January, the average relative humidity is 72%.

How much does it rain in January?

In Long Hill, Maryland, in January, it is raining for 9.9 days, with typically 2.01" (51mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 4.4 days and typically aggregates up to 2.05" (52mm) of snow.

How much does it snow in January?

In January, it is snowing for 4.4 days. Throughout January, 2.05" (52mm) of snow is accumulated.

How many hours of daylight does Long Hill have in January?

In Long Hill, the average day length in January is 9h and 47min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:25 pm EST.

How many hours of sunshine does Long Hill have in January?

The average sunshine duration in January is 5.3h.

What are the months with the lowest UV index?

January, 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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
45.5°F 7.5°C
39.6°F 4.2°C
43.2°F 6.2°C
Average low temperature
34.7°F 1.5°C
28.4°F -2°C
30.7°F -0.7°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
8.6mph 13.8km/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
13.9mph 22.4km/h
14.9mph 24km/h
15.2mph 24.5km/h
Average humidity
75%
72%
74%
Average rainfall
2.83" 72mm
2.01" 51mm
2.36" 60mm
Average rainfall days
11.4
9.9
10.8
Average snowfall
0.63" 16mm
2.05" 52mm
1.73" 44mm
Average snowfall days
2.4
4.4
4.2
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 1min
Average sunshine days
16.9
17.5
13.9
Average UV index
2
2
3
Average cloud cover
44%
43%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Long Hill, MD

Average temperature in January - Long Hill, MD
  • Average high temperature in January: 39.6°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 (39.6°F).

  • Average low temperature in January: 28.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in January
Long Hill, MD

Average pressure in January - Long Hill, 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
Long Hill, MD

Average wind speed in January - Long Hill, MD
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in January
Long Hill, MD

Average humidity in January - Long Hill, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in January
Long Hill, MD

Average rainfall in January - Long Hill, MD
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in January
Long Hill, MD

Average rainfall days in January - Long Hill, MD
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in January
Long Hill, MD

Average snowfall in January - Long Hill, MD
  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Long Hill, MD

Average snowfall days in January - Long Hill, MD
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Long Hill, MD

Average daylight in January / Average sunshine in January - Long Hill, 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 2min

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
Long Hill, MD

Average sunshine days in January - Long Hill, MD
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in January
Long Hill, MD

Average UV index in January - Long Hill, 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).

Average cloud cover in January
Long Hill, MD

Average cloud cover in January - Long Hill, 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 28).

Average visibility in January
Long Hill, MD

Average visibility in January - Long Hill, 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).

Long Hill, Maryland, USA

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