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
January is Rolph Landing's coldest month, registering average high temperatures of 40.5°F (4.7°C) and lows 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 is January, when the rain falls for 9.1 days and typically collects 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Rolph Landing is January, when snow falls for 3.3 days and typically aggregates up to 1.5" (38mm) of snow.Daylight
In Rolph Landing, 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 in Rolph Landing are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What month is the coldest in Rolph Landing?
How cold is January in Rolph Landing?
What is the least humid month in Rolph Landing?
What is the average humidity in January in Rolph Landing?
What is the driest month in Rolph Landing?
How many days does it rain in January in Rolph Landing?
When does it snow the most in Rolph Landing?
How much does it snow in Rolph Landing in January?
How many hours of daylight does Rolph Landing have in January?
When is the sunrise / sunset in January in Rolph Landing?
How many hours of sunshine does Rolph Landing have in January?
When is the lowest UV index in Rolph Landing?
What is the UV index intensity in January in Rolph Landing?
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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