January weather forecast
Frederick, MD

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share
Contents
A stone bridge over the calm Carroll Creek in the Carroll Creek Linear Park in Frederick, Maryland
A stone bridge over the calm Carroll Creek in the Carroll Creek Linear Park in Frederick, Maryland

Weather in January

The chilling month of January in Frederick, Maryland sees the lowest temperatures of the year. While frost and snowfall mark the month, the temperature can drop to as low as 23.7°F (-4.6°C). The huddled weather steers a surge in indoor activities cementing the ambiance of a winter retreat. Dense cloud cover and shorter daylight hours lead to a cold, austere atmosphere. The transition from the previous month extends the winter spell with no major changes in weather patterns.

Temperature

With an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 23.7°F (-4.6°C), January is the coldest month.

Humidity

In January, the average relative humidity is 76%.

Rainfall

The month with the least rainfall in Frederick is January, when the rain falls for 8.7 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. January is the month with the most snowfall. Snow falls for 6.3 days and accumulates 3.66" (93mm) of snow.

Daylight

In Frederick, the average length of the day in January is 9h and 46min.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:28 pm EST.

Sunshine

The months with the least sunshine are January and February, with an average of 4.8h of sunshine.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

In Frederick, January is known for its average lowest temperatures, reaching a high of 37.6°F (3.1°C) and a low of 23.7°F (-4.6°C).

How cold is it in January?

The high-temperature during January is 37.6°F (3.1°C) and the low-temperature is 23.7°F (-4.6°C).

What is the average humidity in January?

In Frederick, the average relative humidity in January is 76%.

What is the driest month?

January is the month with the least rainfall in Frederick. Rain falls for 8.7 days and accumulates 1.85" (47mm) of precipitation.

How much does it rain in January?

In Frederick, during January, the rain falls for 8.7 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 6.3 days and accumulates 3.66" (93mm) of snow.

How much does it snow in January?

In January, it is snowing for 6.3 days. Throughout January, 3.66" (93mm) of snow is accumulated.

What is the average length of the day in January?

In Frederick, the average day length in January is 9h and 46min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:56 pm. On the last day of the month, in Frederick, Maryland, sunrise is at 7:17 am and sunset at 5:28 pm EST.

What are the months with the least sunshine?

January and February, with an average of 4.8h of sunshine, are months with the least sunshine.

How many hours of sunshine does Frederick have in January?

In January, the average sunshine duration is 4.8h.

When is the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
43.2°F 6.2°C
37.6°F 3.1°C
41.9°F 5.5°C
Average low temperature
30.9°F -0.6°C
23.7°F -4.6°C
26.2°F -3.2°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.07" 764mmHg
Average wind speed
7.1mph 11.4km/h
7.7mph 12.4km/h
7.6mph 12.2km/h
Average max. wind speed
7.8mph 12.6km/h
8.5mph 13.7km/h
8.3mph 13.4km/h
Average wind speed gusts
11.8mph 19km/h
12.6mph 20.3km/h
12.5mph 20.1km/h
Average humidity
79%
76%
78%
Average rainfall
2.05" 52mm
1.85" 47mm
1.97" 50mm
Average rainfall days
10.2
8.7
9.1
Average snowfall
1.69" 43mm
3.66" 93mm
2.72" 69mm
Average snowfall days
3.2
6.3
6.3
Average daylight
9h 2min
9h 5min
10h 4min
Average sunshine
5h 0min
4h 5min
4h 5min
Average sunshine days
17.6
17.1
14.6
Average UV index
2
2
2
Average cloud cover
47%
48%
48%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Frederick, MD

Average temperature in January - Frederick, MD
  • Average high temperature in January: 37.6°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 (37.6°F).

  • Average low temperature in January: 23.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in January
Frederick, MD

Average pressure in January - Frederick, 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
Frederick, MD

Average wind speed in January - Frederick, MD
  • Average wind speed in January: 7.7mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in January
Frederick, MD

Average humidity in January - Frederick, MD
  • Average humidity in January: 76%

The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).

Average rainfall in January
Frederick, MD

Average rainfall in January - Frederick, MD
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in January
Frederick, MD

Average rainfall days in January - Frederick, MD
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in January
Frederick, MD

Average snowfall in January - Frederick, MD
  • Average snowfall in January: 3.66"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Frederick, MD

Average snowfall days in January - Frederick, MD
  • Average snowfall days in January: 6.3 days

The months with the highest number of snowfall days are January and February (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Frederick, 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 24min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

Average sunshine days in January
Frederick, MD

Average sunshine days in January - Frederick, MD
  • Average sunshine days in January: 17.1 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in January
Frederick, MD

Average UV index in January - Frederick, 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, February, November and December (UV index 2).

Average cloud cover in January
Frederick, MD

Average cloud cover in January - Frederick, MD
  • Average cloud cover in January: 48

The months with the most cloud cover are January, February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Frederick, MD

Average visibility in January - Frederick, MD
  • Average visibility in January: 5mi

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

Frederick, 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