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
In Rocky Forge, the month of January registers the lowest temperatures, averaging 35.8°F (2.1°C) at the peak and 22.6°F (-5.2°C) at the lowest.Humidity
In Rocky Forge, Maryland, the average relative humidity in January is 76%.Rainfall
In Rocky Forge, during January, the rain falls for 8.2 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Rocky Forge, during the entire year, the rain falls for 158.5 days and collects up to 31.3" (795mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Rocky Forge is January, when snow falls for 9.6 days and typically aggregates up to 6.81" (173mm) of snow.Daylight
The average length of the day in January in Rocky Forge is 9h and 44min.On the first day of January in Rocky Forge, sunrise is at 7:31 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:28 pm EST.
Sunshine
The average sunshine in January in Rocky Forge is 4.6h.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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What month is the coldest in Rocky Forge?
How cold is January in Rocky Forge?
What is the average humidity in January in Rocky Forge?
How many days does it rain in January in Rocky Forge?
When does it snow the most in Rocky Forge?
How many days does it snow in January in Rocky Forge?
How many hours of daylight does Rocky Forge have in January?
When is the sunrise / sunset in January in Rocky Forge?
How long on average sun shines in January in Rocky Forge?
What is the month with the lowest UV index in Rocky Forge?
What is the UV index reading in January in Rocky Forge?
Average temperature in January
Rocky Forge, MD
- Average high temperature in January: 35.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in January: 22.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in January
Rocky Forge, 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 (29.95"Hg).
Average wind speed in January
Rocky Forge, MD
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in January
Rocky Forge, MD
- Average humidity in January: 76%
The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in January
Rocky Forge, MD
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in January
Rocky Forge, MD
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Rocky Forge, MD
- Average snowfall in January: 6.81"
The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Rocky Forge, MD
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is January (9.6 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
Rocky Forge, MD
- Average daylight in January: 9h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Rocky Forge, MD
- Average sunshine days in January: 16 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in January
Rocky Forge, MD
- Average UV index in January: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Rocky Forge, MD
- Average cloud cover in January: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Rocky Forge, MD
- Average visibility in January: 5mi
The months with the highest visibility are April, June and July (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October, November and December (5mi).
Rocky Forge, Maryland, USA
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