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
During the coldest month, January, temperatures average a high of 42.3°F (5.7°C) and a low of 26.8°F (-2.9°C).Humidity
In Troy, the average relative humidity in January is 73%.Rainfall
In Troy, in January, during 9.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Troy, during the entire year, the rain falls for 154.2 days and collects up to 28.54" (725mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 4.7 days and typically aggregates up to 2.91" (74mm) of snow.Daylight
In Troy, the average length of the day in January is 9h and 53min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:34 pm EST.
Sunshine
The average sunshine in January is 5.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Troy have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January in Troy?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Troy, VA
- Average high temperature in January: 42.3°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Troy, 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 (29.96"Hg).
Average wind speed in January
Troy, VA
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in January
Troy, VA
- Average humidity in January: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Troy, VA
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Troy, VA
- Average rainfall days in January: 9.6 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in January
Troy, VA
- Average snowfall in January: 2.91"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Troy, VA
- Average snowfall days in January: 4.7 days
The month with the highest number of snowfall days is February (4.9 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
Troy, 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 36min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Troy, VA
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in January
Troy, 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
Troy, VA
- Average cloud cover in January: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Troy, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are February, May, September and December (5mi).
Troy, Virginia, USA
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