January weather forecast
Cabin John, MD

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Weather in January

January, the same as December, is a wintry winter month in Cabin John, Maryland, with an average temperature varying between 39.9°F (4.4°C) and 27°F (-2.8°C).

Temperature

Cabin John experiences its lowest temperatures in January, with an average peak of 39.9°F (4.4°C) and a low of 27°F (-2.8°C).

Humidity

In Cabin John, the average relative humidity in January is 72%.

Rainfall

January is the month with the least rainfall. Rain falls for 8.7 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Cabin John, Maryland. The month with the most snowfall in Cabin John is January, when snow falls for 4.3 days and typically aggregates up to 2.6" (66mm) of snow.

Daylight

In Cabin John, the average length of the day in January is 9h and 48min.
On the first day of January, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:28 pm EST.

Sunshine

January, February and December, with an average of 5h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Cabin John?

January, with average temperatures reaching a high of 39.9°F (4.4°C) and a low of 27°F (-2.8°C), is the coldest month in Cabin John.

How cold does it get in January?

The average high-temperature and low-temperature during January are 39.9°F (4.4°C) and 27°F (-2.8°C) respectively.

What is the average humidity in January?

In January, the average relative humidity is 72%.

What is the driest month in Cabin John?

January is the month with the least rainfall. Rain falls for 8.7 days and accumulates 1.69" (43mm) of precipitation.

How many days does it rain in January?

In Cabin John, in January, it is raining for 8.7 days, with typically 1.69" (43mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 4.3 days and accumulates 2.6" (66mm) of snow.

How much does it snow in January?

In Cabin John, Maryland, in January, snow falls for 4.3 days, with typically accumulated 2.6" (66mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 48min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:28 pm EST.

What are the months with the least sunshine?

January, February and December, with an average of 5h of sunshine, are months with the least sunshine.

How many hours of sunshine does Cabin John have in January?

The average sunshine duration in January is 5h.

When is the lowest UV index?

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

How high is the UV index in January?

In Cabin John, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
45.3°F 7.4°C
39.9°F 4.4°C
44.1°F 6.7°C
Average low temperature
33.1°F 0.6°C
27°F -2.8°C
29.7°F -1.3°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
10.9mph 17.5km/h
11.7mph 18.8km/h
12.1mph 19.5km/h
Average humidity
76%
72%
74%
Average rainfall
2.17" 55mm
1.69" 43mm
1.89" 48mm
Average rainfall days
9.9
8.7
9.3
Average snowfall
0.94" 24mm
2.6" 66mm
2.17" 55mm
Average snowfall days
2
4.3
4.4
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h
5h
5h
Average sunshine days
19.1
18.1
15.5
Average UV index
2
2
3
Average cloud cover
46%
45%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Cabin John, MD

Average temperature in January - Cabin John, MD
  • Average high temperature in January: 39.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
Cabin John, MD

Average pressure in January - Cabin John, 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
Cabin John, MD

Average wind speed in January - Cabin John, MD
  • Average wind speed in January: 7.6mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
Cabin John, MD

Average humidity in January - Cabin John, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).

Average rainfall in January
Cabin John, MD

Average rainfall in January - Cabin John, MD
  • Average rainfall in January: 1.69"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.69").

Average rainfall days in January
Cabin John, MD

Average rainfall days in January - Cabin John, MD
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in January
Cabin John, MD

Average snowfall in January - Cabin John, MD
  • Average snowfall in January: 2.6"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Cabin John, MD

Average snowfall days in January - Cabin John, MD
  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is February (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
Cabin John, MD

Average daylight in January / Average sunshine in January - Cabin John, 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 0min

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 0min).

Average sunshine days in January
Cabin John, MD

Average sunshine days in January - Cabin John, MD
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is November (20.4 days).
The months with the least sunshine days are May and July (12.3 days).

Average UV index in January
Cabin John, MD

Average UV index in January - Cabin John, 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
Cabin John, MD

Average cloud cover in January - Cabin John, MD
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Cabin John, MD

Average visibility in January - Cabin John, 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).

Cabin John, Maryland, USA

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