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
The lowest temperatures are recorded in January, with averages reaching a high of 37.4°F (3°C) and a low of 24.8°F (-4°C).Humidity
January, March, April, July and November, with an average relative humidity of 75%, are the least humid months.Rainfall
In January, the rain falls for 8.3 days. Throughout January, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Twin Knolls, in January, during 6.6 snowfall days, 2.36" (60mm) of snow is typically accumulated. In Twin Knolls, Maryland, during the entire year, snow falls for 21.2 days and aggregates up to 10.55" (268mm) of snow.Daylight
In Twin Knolls, Maryland, the average length of the day in January is 9h and 46min.On the first day of January, sunrise is at 7:27 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:25 pm EST.
Sunshine
In Twin Knolls, the average sunshine in January is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Twin Knolls?
How cold is it in January?
What is the least humid month?
What is the average humidity in January?
How much does it rain in Twin Knolls in January?
How many days does it snow in January in Twin Knolls?
How many hours of daylight does Twin Knolls have in January?
When is the sunrise / sunset in January in Twin Knolls?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Twin Knolls, MD
- Average high temperature in January: 37.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in January: 24.8°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 (24.8°F).
Average pressure in January
Twin Knolls, MD
- Average pressure in January: 30.1"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
Twin Knolls, MD
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Twin Knolls, MD
- Average humidity in January: 75%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).
Average rainfall in January
Twin Knolls, MD
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in January
Twin Knolls, MD
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Twin Knolls, MD
- Average snowfall in January: 2.36"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Twin Knolls, MD
- Average snowfall days in January: 6.6 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Twin Knolls, 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 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Twin Knolls, MD
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in January
Twin Knolls, 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
Twin Knolls, MD
- Average cloud cover in January: 47
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Twin Knolls, MD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Twin Knolls, Maryland, USA
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