January weather forecastThayer, IN
January
Weather in January
January, the same as December, in Thayer, Indiana, is another subzero cold winter month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 30.2°F (-1°C).Temperature
With an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 19°F (-7.2°C), January is the coldest month.Humidity
In January, the average relative humidity is 82%.Rainfall
January is the month with the least rainfall. Rain falls for 6.6 days and accumulates 1.1" (28mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Thayer, in January, during 13.2 snowfall days, 3.31" (84mm) of snow is typically accumulated. In Thayer, during the entire year, snow falls for 44.8 days and aggregates up to 12.4" (315mm) of snow.Daylight
In January, the average length of the day is 9h and 37min.On the first day of January in Thayer, Indiana, sunrise is at 7:14 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:04 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Thayer. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during January leads to these advisories:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Thayer, IN
- Average high temperature in January: 30.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in January
Thayer, IN
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Thayer, IN
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Thayer, IN
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Thayer, IN
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Thayer, IN
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in January
Thayer, IN
- Average snowfall in January: 3.31"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Thayer, IN
- Average snowfall days in January: 13.2 days
The month with the highest number of snowfall days is January (13.2 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
Thayer, IN
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Thayer, IN
- Average sunshine days in January: 13.2 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in January
Thayer, IN
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Thayer, IN
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Thayer, IN
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





