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 Haymarket, the month of January registers the lowest temperatures, averaging 40.6°F (4.8°C) at the peak and 26.4°F (-3.1°C) at the lowest.Humidity
The average relative humidity in January in Haymarket is 74%.Rainfall
In January, in Haymarket, the rain falls for 9.5 days. Throughout January, 1.97" (50mm) of precipitation is accumulated. In Haymarket, during the entire year, the rain falls for 157.5 days and collects up to 30.35" (771mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall in Haymarket, Virginia, is January, when snow falls for 4.9 days and typically aggregates up to 3.7" (94mm) of snow.Daylight
The average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:30 pm EST.
Sunshine
January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine in Haymarket, Virginia.UV index
The months with the lowest UV index in Haymarket are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during January translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Haymarket?
Is January cold in Haymarket?
What is the average humidity in January in Haymarket?
How much does it rain in Haymarket in January?
When does it snow the most in Haymarket?
How many days does it snow in January in Haymarket?
How many hours of daylight does Haymarket have in January?
What time are sunrise and sunset in January in Haymarket?
What are the months with the least sunshine in Haymarket?
How long on average sun shines in January in Haymarket?
What are the months with the lowest UV index in Haymarket?
How high is the UV index in January in Haymarket?
Average temperature in January
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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
Haymarket, 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).
Haymarket, Virginia, USA
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