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, with the temperature often reaching an average high of 32.4°F (0.2°C) and an average low of 20.7°F (-6.3°C).Humidity
The months with the highest humidity are January, July and December, with an average relative humidity of 83%.Rainfall
In Williamsburg, in January, during 9.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 172.8 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Williamsburg, in January, during 12.8 snowfall days, 3.11" (79mm) of snow is typically accumulated. In Williamsburg, during the entire year, snow falls for 44.3 days and aggregates up to 14.41" (366mm) of snow.Daylight
In January, the average length of the day is 9h and 43min.On the first day of the month, sunrise is at 8:01 am and sunset at 5:25 pm. On the last day of January, sunrise is at 7:49 am and sunset at 5:57 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index are January through March, October through 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 average individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Williamsburg have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Williamsburg have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Williamsburg, IN
- Average high temperature in January: 32.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
Williamsburg, IN
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Williamsburg, IN
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
Williamsburg, IN
- Average humidity in January: 83%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Williamsburg, IN
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in January
Williamsburg, IN
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in January
Williamsburg, IN
- Average snowfall in January: 3.11"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Williamsburg, IN
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Williamsburg, IN
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 3h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Williamsburg, IN
- Average sunshine days in January: 10.9 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in January
Williamsburg, IN
- Average UV index in January: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Williamsburg, IN
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Williamsburg, IN
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Williamsburg, Indiana, USA
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