January weather forecast
Cabin John, MD

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Weather in January

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

Temperature

In Cabin John, January records the lowest average temperatures, peaking at 39.9°F (4.4°C) and reaching 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 in Cabin John. Rain falls for 8.7 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

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

Daylight

In January, the average length of the day in Cabin John is 9h and 48min.
On the first day of January in Cabin John, Maryland, 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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the coldest time of year in Cabin John?

With average high temperatures of 39.9°F (4.4°C) and lows of 27°F (-2.8°C), January is the coldest month in Cabin John, Maryland.

How cold is January in Cabin John?

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

What is the average humidity in January in Cabin John?

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

What is the driest month in Cabin John?

The month with the least rainfall in Cabin John, Maryland, is January, when the rain falls for 8.7 days and typically collects 1.69" (43mm) of precipitation.

How many days does it rain in January in Cabin John?

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

What is the snowiest month in Cabin John?

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

How many days does it snow in January in Cabin John?

In January, in Cabin John, Maryland, it is snowing for 4.3 days. Throughout January, 2.6" (66mm) of snow is accumulated.

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

In January, the average day length in Cabin John, Maryland, is 9h and 48min.

When is the sunrise / sunset in January in Cabin John?

On the first day of January in Cabin John, Maryland, 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 is the month with the least sunshine in Cabin John?

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

How long on average sun shines in January in Cabin John?

In Cabin John, the average sunshine duration in January is 5h.

When is the lowest UV index in Cabin John?

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

What is the UV index intensity in January in Cabin John?

In January, the average daily maximum UV index in Cabin John, Maryland, is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Cabin John, Maryland, USA

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