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
With an average high-temperature of 39°F (3.9°C) and an average low-temperature of 26.2°F (-3.2°C), January is the coldest month.Humidity
The average relative humidity in January in Stoney Brook is 73%.Rainfall
The month with the least rainfall in Stoney Brook, Maryland, is January, when the rain falls for 9.3 days and typically collects 2.17" (55mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The months with the most snowfall are January and March, with an average 3.03" (77mm) of accumulated snow.Daylight
The average length of the day in January is 9h and 48min.On the first day of the month, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of January, in Stoney Brook, sunrise is at 7:15 am and sunset at 5:27 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Stoney Brook. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Stoney Brook?
Is January cold in Stoney Brook?
What is the average humidity in January in Stoney Brook?
What is the driest month in Stoney Brook?
How many days does it rain in January in Stoney Brook?
When does it snow the most in Stoney Brook?
How much does it snow in Stoney Brook in January?
What is the average length of the day in January in Stoney Brook?
What time are sunrise and sunset in January in Stoney Brook?
How many hours of sunshine does Stoney Brook have in January?
What are the months with the lowest UV index in Stoney Brook?
How high is the UV index in January in Stoney Brook?
Average temperature in January
Stoney Brook, MD
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in January: 26.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in January
Stoney Brook, 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
Stoney Brook, MD
- Average wind speed in January: 7.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Stoney Brook, MD
- Average humidity in January: 73%
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Stoney Brook, MD
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in January
Stoney Brook, MD
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in January
Stoney Brook, MD
- Average snowfall in January: 3.03"
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Stoney Brook, MD
- Average snowfall days in January: 5.1 days
The months with the highest number of snowfall days are January and February (5.1 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
Stoney Brook, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
Stoney Brook, MD
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (19.5 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in January
Stoney Brook, 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, November and December (UV index 2).
Average cloud cover in January
Stoney Brook, 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 31).
Average visibility in January
Stoney Brook, 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).
Stoney Brook, Maryland, USA
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