January weather forecastDickerson, MD
January
Weather in January
January, like December, in Dickerson, Maryland, is another cold winter month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 25.2°F (-3.8°C).Temperature
The month of January sees the lowest average temperatures, reaching 38.8°F (3.8°C) at the peak and 25.2°F (-3.8°C) at the low.Humidity
In January, the average relative humidity is 74%.Rainfall
In Dickerson, during January, the rain falls for 6.1 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, there are 115.4 rainfall days, and 10.59" (269mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 3.7 days and typically aggregates up to 0.75" (19mm) of snow.Daylight
In Dickerson, the average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:57 pm. On the last day of January, in Dickerson, sunrise is at 7:17 am and sunset at 5:28 pm EST.
Sunshine
The months with the least sunshine are January and February, with an average of 5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in January transforms into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Dickerson, MD
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Dickerson, 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
Dickerson, MD
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in January
Dickerson, MD
- Average humidity in January: 74%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Dickerson, MD
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in January
Dickerson, MD
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in January
Dickerson, MD
- Average snowfall in January: 0.75"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Dickerson, MD
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Dickerson, MD
- Average daylight in January: 9h and 48min
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 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in January
Dickerson, MD
- Average sunshine days in January: 21.9 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in January
Dickerson, 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, February, November and December (UV index 2).
Average cloud cover in January
Dickerson, 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 30).
Average visibility in January
Dickerson, 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).





