January weather forecastOlney, MD
January
Weather in January
January, the same as December, is an icy winter month in Olney, Maryland, with an average temperature ranging between max 39°F (3.9°C) and min 26.2°F (-3.2°C).Temperature
In Olney, the lowest temperatures are generally noted in January, averaging a high of 39°F (3.9°C) and a low of 26.2°F (-3.2°C).Humidity
The average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 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 in Olney is 9h and 47min.On the first day of the month, sunrise is at 7:27 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:27 pm EST.
Sunshine
In Olney, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index are January, 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 unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Olney, 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
Olney, 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
Olney, 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
Olney, 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
Olney, 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
Olney, 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
Olney, 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
Olney, 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
Olney, MD
- Average daylight in January: 9h and 48min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Olney, MD
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in January
Olney, 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
Olney, 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
Olney, 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).
