Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the month when Bethesda, Maryland, sees the lowest average temperatures, with a high of 39.9°F (4.4°C) and a low of 27°F (-2.8°C).Humidity
In Bethesda, the average relative humidity in January is 72%.Rainfall
The month with the least rainfall in Bethesda is January, when the rain falls for 8.7 days and typically collects 1.69" (43mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Bethesda. The month with the most snowfall in Bethesda is January, when snow falls for 4.3 days and typically aggregates up to 2.6" (66mm) of snow.Daylight
In Bethesda, 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 minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What month is the coldest in Bethesda?
How cold is January in Bethesda?
What is the average humidity in January in Bethesda?
What is the driest month in Bethesda?
How much does it rain in Bethesda in January?
What is the snowiest month in Bethesda?
How much does it snow in Bethesda in January?
How many hours of daylight does Bethesda have in January?
When are sunrise and sunset in January in Bethesda?
What are the months with the least sunshine in Bethesda?
How long on average sun shines in January in Bethesda?
When is the lowest UV index in Bethesda?
What is the UV index reading in January in Bethesda?
Average temperature in January
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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
Bethesda, 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).
Bethesda, Maryland, USA
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