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
Glen Arm's January weather reaches an average high of 37.6°F (3.1°C) and an average low of 25.3°F (-3.7°C), making it the coldest month.Humidity
In Glen Arm, the average relative humidity in January is 75%.Rainfall
In January, the rain falls for 8.3 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. In Glen Arm, during the entire year, the rain falls for 155.7 days and collects up to 32.68" (830mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In January, it is snowing for 5.6 days. Throughout January, 2.28" (58mm) of snow is accumulated. Throughout the year, there are 19.9 snowfall days, and 9.72" (247mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 46min.On the first day of January in Glen Arm, sunrise is at 7:26 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:24 pm EST.
Sunshine
The average sunshine in January is 4.9h.UV index
The months with the lowest UV index in Glen Arm are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
Is it cold during January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Glen Arm?
How many hours of daylight does Glen Arm have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Glen Arm, MD
- Average high temperature in January: 37.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in January: 25.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in January
Glen Arm, MD
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Glen Arm, MD
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Glen Arm, MD
- Average humidity in January: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Glen Arm, MD
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in January
Glen Arm, MD
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Glen Arm, MD
- Average snowfall in January: 2.28"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Glen Arm, MD
- Average snowfall days in January: 5.6 days
The months with the highest number of snowfall days are January and February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Glen Arm, 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 48min).
Average sunshine days in January
Glen Arm, MD
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Glen Arm, 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
Glen Arm, MD
- Average cloud cover in January: 45
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
Glen Arm, 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).
Glen Arm, Maryland, USA
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