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 Oakton, the lowest average temperatures are observed in January, with a high of 40.5°F (4.7°C) and a low of 26.4°F (-3.1°C).Humidity
In Oakton, the average relative humidity in January is 73%.Rainfall
In Oakton, Virginia, in January, during 10.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
Months with snowfall in Oakton are January through April, November and December. January is the month with the most snowfall in Oakton. Snow falls for 5.6 days and accumulates 3.54" (90mm) of snow.Daylight
In January, the average length of the day is 9h and 49min.On the first day of January in Oakton, sunrise is at 7:27 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:28 pm EST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 5.2h of sunshine.UV index
The months with the lowest UV index in Oakton are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Oakton?
Is January cold in Oakton?
What is the average humidity in January in Oakton?
How many days does it rain in January in Oakton?
When does it snow the most in Oakton?
How much does it snow in Oakton in January?
What is the average length of the day in January in Oakton?
What time are sunrise and sunset in January in Oakton?
What are the months with the least sunshine in Oakton?
How long on average sun shines in January in Oakton?
What is the month with the lowest UV index in Oakton?
What is the UV index intensity in January in Oakton?
Average temperature in January
Oakton, VA
- Average high temperature in January: 40.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in January: 26.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in January
Oakton, VA
- 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
Oakton, VA
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Oakton, VA
- Average humidity in January: 73%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Oakton, VA
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in January
Oakton, VA
- Average rainfall days in January: 10.4 days
The months with the highest number of rainy days are May and August (17.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in January
Oakton, VA
- Average snowfall in January: 3.54"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Oakton, VA
- Average snowfall days in January: 5.6 days
The month with the highest number of snowfall days is January (5.6 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
Oakton, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
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 months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in January
Oakton, VA
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Oakton, VA
- 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, February, November and December (UV index 2).
Average cloud cover in January
Oakton, VA
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Oakton, VA
- 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).
Oakton, Virginia, USA
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