January weather forecast
Grantham Hall, MD

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share
Contents

Weather in January

January, like December, in Grantham Hall, Maryland, is a wintry winter month, with an average temperature ranging between min 30.2°F (-1°C) and max 40.6°F (4.8°C).

Temperature

With average high and low temperatures of 40.6°F (4.8°C) and 30.2°F (-1°C) respectively, January is Grantham Hall's coldest month.

Humidity

January and November, with an average relative humidity of 72%, are the least humid months in Grantham Hall.

Rainfall

January is the month with the least rainfall. Rain falls for 6.7 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 2.9 days and typically aggregates up to 0.75" (19mm) of snow.

Daylight

The average length of the day in January is 9h and 50min.
On the first day of January, sunrise is at 7:24 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:26 pm EST.

Sunshine

In Grantham Hall, the average sunshine in January is 5.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 2 during January leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January brings the lowest temperatures, with an average high of 40.6°F (4.8°C) and an average low of 30.2°F (-1°C).

How cold does it get in January?

Grantham Hall in January has an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 30.2°F (-1°C).

What is the least humid month?

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

What is the average humidity in January?

In January, the average relative humidity in Grantham Hall, Maryland, is 72%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.7 days and typically collects 0.67" (17mm) of precipitation.

How many days does it rain in January?

In Grantham Hall, in January, during 6.7 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

What is the snowiest month?

January is the month with the most snowfall in Grantham Hall. Snow falls for 2.9 days and accumulates 0.75" (19mm) of snow.

How much does it snow in January?

In Grantham Hall, in January, during 2.9 snowfall days, 0.75" (19mm) of snow is typically accumulated.

How many hours of daylight does Grantham Hall have in January?

The average day length in January is 9h and 50min.

When is the sunrise / sunset in January in Grantham Hall?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:26 pm EST.

How long on average sun shines in January?

In Grantham Hall, the average sunshine duration in January is 5.3h.

What is the month with the lowest UV index?

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

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 low health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46.4°F 8°C
40.6°F 4.8°C
43.7°F 6.5°C
Average low temperature
36.5°F 2.5°C
30.2°F -1°C
32.5°F 0.3°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
9.2mph 14.8km/h
9.9mph 15.9km/h
9.8mph 15.8km/h
Average max. wind speed
9.8mph 15.8km/h
10.6mph 17.1km/h
10.5mph 16.9km/h
Average wind speed gusts
14.9mph 24km/h
15.8mph 25.4km/h
16.2mph 26.1km/h
Average humidity
75%
72%
74%
Average rainfall
0.91" 23mm
0.67" 17mm
0.83" 21mm
Average rainfall days
8.4
6.7
7.2
Average snowfall
0.28" 7mm
0.75" 19mm
0.43" 11mm
Average snowfall days
1.6
2.9
2.5
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 1min
Average sunshine days
19.9
20.9
18
Average UV index
2
2
3
Average cloud cover
43%
42%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Grantham Hall, MD

Average temperature in January - Grantham Hall, MD
  • Average high temperature in January: 40.6°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in January: 30.2°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in January
Grantham Hall, MD

Average pressure in January - Grantham Hall, MD
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Grantham Hall, MD

Average wind speed in January - Grantham Hall, MD
  • Average wind speed in January: 9.9mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in January
Grantham Hall, MD

Average humidity in January - Grantham Hall, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in January
Grantham Hall, MD

Average rainfall in January - Grantham Hall, MD
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in January
Grantham Hall, MD

Average rainfall days in January - Grantham Hall, MD
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in January
Grantham Hall, MD

Average snowfall in January - Grantham Hall, MD
  • Average snowfall in January: 0.75"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Grantham Hall, MD

Average snowfall days in January - Grantham Hall, MD
  • Average snowfall days in January: 2.9 days

The month with the highest number of snowfall days is January (2.9 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
Grantham Hall, MD

Average daylight in January / Average sunshine in January - Grantham Hall, 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: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in January
Grantham Hall, MD

Average sunshine days in January - Grantham Hall, MD
  • Average sunshine days in January: 20.9 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

Average UV index in January
Grantham Hall, MD

Average UV index in January - Grantham Hall, 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 and December (UV index 2).

Average cloud cover in January
Grantham Hall, MD

Average cloud cover in January - Grantham Hall, 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 27).

Average visibility in January
Grantham Hall, MD

Average visibility in January - Grantham Hall, 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).

Grantham Hall, Maryland, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location