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 coldest temperatures occur during January, when averages reach a peak of 37.8°F (3.2°C) and a low of 24.8°F (-4°C).Humidity
In Cedar Grove Knolls, the average relative humidity in January is 75%.Rainfall
January is the month with the least rainfall. Rain falls for 8.3 days and accumulates 1.93" (49mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Cedar Grove Knolls, in January, during 6.3 snowfall days, 3.54" (90mm) of snow is typically accumulated. Throughout the year, in Cedar Grove Knolls, Maryland, there are 21.3 snowfall days, and 13.31" (338mm) of snow is accumulated.Daylight
In Cedar Grove Knolls, Maryland, the average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:16 am and sunset at 5:27 pm EST.
Sunshine
In Cedar Grove Knolls, the average sunshine in January is 5h.UV index
The months with the lowest UV index in Cedar Grove Knolls 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 rays for the average person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What part of the year is the coldest in Cedar Grove Knolls?
How cold is it in Cedar Grove Knolls in January?
What is the average humidity in January in Cedar Grove Knolls?
What is the driest month in Cedar Grove Knolls?
How many days does it rain in January in Cedar Grove Knolls?
How much does it snow in Cedar Grove Knolls in January?
How many hours of daylight does Cedar Grove Knolls have in January?
When are sunrise and sunset in January in Cedar Grove Knolls?
How long on average sun shines in January in Cedar Grove Knolls?
What is the month with the lowest UV index in Cedar Grove Knolls?
How high is the UV index in January in Cedar Grove Knolls?
Average temperature in January
Cedar Grove Knolls, MD
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in January
Cedar Grove Knolls, 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
Cedar Grove Knolls, MD
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Cedar Grove Knolls, MD
- Average humidity in January: 75%
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in January
Cedar Grove Knolls, MD
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in January
Cedar Grove 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
Cedar Grove Knolls, MD
- Average snowfall in January: 3.54"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Cedar Grove Knolls, MD
- Average snowfall days in January: 6.3 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Cedar Grove 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 30min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Cedar Grove Knolls, MD
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Cedar Grove 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
Cedar Grove Knolls, MD
- Average cloud cover in January: 46
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
Cedar Grove Knolls, 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).
Cedar Grove Knolls, Maryland, USA
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