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
During the coldest month, January, temperatures average a high of 40.5°F (4.7°C) and a low of 29.1°F (-1.6°C).Humidity
January is the least humid month in Rolph Landing, with an average relative humidity of 73%.Rainfall
The month with the least rainfall in Rolph Landing is January, when the rain falls for 9.1 days and typically collects 1.69" (43mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 3.3 days and typically aggregates up to 1.5" (38mm) of snow.Daylight
In Rolph Landing, Maryland, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:52 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:23 pm EST.
Sunshine
The average sunshine in January in Rolph Landing is 5.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the least humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Rolph Landing have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Rolph Landing have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Rolph Landing, MD
- Average high temperature in January: 40.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in January: 29.1°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in January
Rolph Landing, 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
Rolph Landing, MD
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Rolph Landing, MD
- Average humidity in January: 73%
The months with the highest relative humidity are May and August (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall in January
Rolph Landing, MD
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in January
Rolph Landing, MD
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in January
Rolph Landing, MD
- Average snowfall in January: 1.5"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Rolph Landing, MD
- Average snowfall days in January: 3.3 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rolph Landing, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in January
Rolph Landing, MD
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in January
Rolph Landing, 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 and December (UV index 2).
Average cloud cover in January
Rolph Landing, MD
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Rolph Landing, MD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rolph Landing, Maryland, USA
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