January weather forecast
Chevy Chase, MD

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Weather in January

January, like December, in Chevy Chase, Maryland, is a wintry winter month, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 27°F (-2.8°C).

Temperature

In Chevy Chase, the lowest average temperatures are observed in January, with a high of 39.9°F (4.4°C) and a low of 27°F (-2.8°C).

Humidity

In Chevy Chase, the average relative humidity in January is 72%.

Rainfall

January is the month with the least rainfall in Chevy Chase. 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 in Chevy Chase is January, when snow falls for 4.3 days and typically aggregates up to 2.6" (66mm) of snow.

Daylight

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

Sunshine

The months with the least sunshine are January, February and December, with an average of 5h of 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 low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 in January translates into these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jun 4, 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 Chevy Chase, January is known for its average lowest temperatures, reaching a high of 39.9°F (4.4°C) and a low of 27°F (-2.8°C).

How cold is it in January?

In January, in Chevy Chase, the average high-temperature is 39.9°F (4.4°C), and the average low-temperature is 27°F (-2.8°C).

What is the average humidity in January?

In January, the average relative humidity in Chevy Chase is 72%.

What is the driest month?

The month with the least rainfall 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 January, the rain falls for 8.7 days. Throughout January, 1.69" (43mm) of precipitation is accumulated.

What is the snowiest month?

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.

How much does it snow in January?

In Chevy Chase, during January, snow falls for 4.3 days and regularly aggregates up to 2.6" (66mm) of snow.

How many hours of daylight does Chevy Chase have in January?

In Chevy Chase, the average day length in January 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, in Chevy Chase, sunrise is at 7:15 am and sunset at 5:27 pm EST.

What are the months with the least sunshine?

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

How long on average sun shines in January?

In January, the average sunshine duration is 5h.

What is the month 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 intensity in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat 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
Chevy Chase, MD

Average temperature in January - Chevy Chase, 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
Chevy Chase, MD

Average pressure in January - Chevy Chase, 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
Chevy Chase, MD

Average wind speed in January - Chevy Chase, 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
Chevy Chase, MD

Average humidity in January - Chevy Chase, 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
Chevy Chase, MD

Average rainfall in January - Chevy Chase, 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
Chevy Chase, MD

Average rainfall days in January - Chevy Chase, 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
Chevy Chase, MD

Average snowfall in January - Chevy Chase, 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
Chevy Chase, MD

Average snowfall days in January - Chevy Chase, 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
Chevy Chase, MD

Average daylight in January / Average sunshine in January - Chevy Chase, 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
Chevy Chase, MD

Average sunshine days in January - Chevy Chase, 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
Chevy Chase, MD

Average UV index in January - Chevy Chase, 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
Chevy Chase, MD

Average cloud cover in January - Chevy Chase, 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
Chevy Chase, MD

Average visibility in January - Chevy Chase, 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).

Chevy Chase, Maryland, USA

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