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 the coldest month of the year in Manassas Park, registering average temperatures as high as 40.6°F (4.8°C) and as low as 26.4°F (-3.1°C).Humidity
In January, the average relative humidity in Manassas Park is 74%.Rainfall
In Manassas Park, during January, the rain falls for 9.5 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Manassas Park, during the entire year, the rain falls for 157.5 days and collects up to 30.35" (771mm) of precipitation.Snowfall
Months with snowfall in Manassas Park are January through April, November and December. The month with the most snowfall in Manassas Park is January, when snow falls for 4.9 days and typically aggregates up to 3.7" (94mm) of snow.Daylight
In Manassas Park, the average length of the day in January is 9h and 49min.On the first day of January in Manassas Park, sunrise is at 7:28 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:29 pm EST.
Sunshine
January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Manassas Park. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What time of the year is the coldest in Manassas Park?
Is it cold in Manassas Park during January?
What is the average humidity in January in Manassas Park?
How many days does it rain in January in Manassas Park?
When does it snow the most in Manassas Park?
How much does it snow in Manassas Park in January?
How many hours of daylight does Manassas Park have in January?
What time are sunrise and sunset in January in Manassas Park?
What is the month with the least sunshine in Manassas Park?
How long on average sun shines in January in Manassas Park?
When is the lowest UV index in Manassas Park?
What is the UV index reading in January in Manassas Park?
Average temperature in January
Manassas Park, VA
- Average high temperature in January: 40.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in January: 26.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in January
Manassas Park, 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
Manassas Park, VA
- Average wind speed in January: 6.5mph
The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in January
Manassas Park, VA
- Average humidity in January: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Manassas Park, VA
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Manassas Park, VA
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in January
Manassas Park, VA
- Average snowfall in January: 3.7"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Manassas Park, VA
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is February (5.2 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
Manassas Park, 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 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in January
Manassas Park, VA
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Manassas Park, 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
Manassas Park, VA
- Average cloud cover in January: 44
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
Manassas Park, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).
Manassas Park, Virginia, USA
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