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
Temperature records mark January as the coldest month, with highs averaging 39.9°F (4.4°C) and lows at 27.7°F (-2.4°C).Humidity
The average relative humidity in January is 72%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 2.01" (51mm) of precipitation.Snowfall
January through April and December are months with snowfall. The month with the most snowfall is January, when snow falls for 4.1 days and typically aggregates up to 2.6" (66mm) of snow.Daylight
The average length of the day in January in Capitol Heights is 9h and 49min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:27 pm EST.
Sunshine
In Capitol Heights, the average sunshine in January is 5.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during January translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
Is January cold?
What is the average humidity in January?
What is the driest month in Capitol Heights?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Capitol Heights have in January?
What is the month with the lowest UV index in Capitol Heights?
What is the UV index intensity in January?
Average temperature in January
Capitol Heights, MD
- Average high temperature in January: 39.9°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in January: 27.7°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in January
Capitol Heights, 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 (29.94"Hg).
Average wind speed in January
Capitol Heights, MD
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Capitol Heights, MD
- Average humidity in January: 72%
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in January
Capitol Heights, MD
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in January
Capitol Heights, MD
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in January
Capitol Heights, 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, October and November (0").
Average snowfall days in January
Capitol Heights, MD
- Average snowfall days in January: 4.1 days
The month with the highest number of snowfall days is January (4.1 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
Capitol Heights, MD
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Capitol Heights, MD
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in January
Capitol Heights, 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 and December (UV index 2).
Average cloud cover in January
Capitol Heights, MD
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Capitol Heights, MD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Capitol Heights, Maryland, USA
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