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
The coldest period tends to be January, when average temperatures fluctuate between a high of 32.2°F (0.1°C) and a low of 20.3°F (-6.5°C).Humidity
The months with the highest humidity are January, July and December, with an average relative humidity of 83%.Rainfall
In Thorntown, Indiana, in January, during 7.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Thorntown, during the entire year, the rain falls for 163.9 days and collects up to 31.54" (801mm) of precipitation.Snowfall
Months with snowfall in Thorntown are January through April, October through December. In Thorntown, in January, during 11.9 snowfall days, 3.58" (91mm) of snow is typically accumulated. In Thorntown, during the entire year, snow falls for 40.6 days and aggregates up to 13.46" (342mm) of snow.Daylight
In January, the average length of the day is 9h and 42min.On the first day of the month, sunrise is at 8:08 am and sunset at 5:31 pm. On the last day of January, sunrise is at 7:56 am and sunset at 6:03 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Thorntown?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Thorntown, IN
- Average high temperature in January: 32.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Thorntown, IN
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Thorntown, IN
- Average wind speed in January: 10.4mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Thorntown, 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 (74%).
Average rainfall in January
Thorntown, IN
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in January
Thorntown, IN
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in January
Thorntown, IN
- Average snowfall in January: 3.58"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Thorntown, IN
- Average snowfall days in January: 11.9 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Thorntown, 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 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Thorntown, IN
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Thorntown, IN
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Thorntown, IN
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Thorntown, IN
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Thorntown, Indiana, USA
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