January weather forecastJamestown, IN
January
Weather in January
January, like December, in Jamestown, Indiana, is a wintry winter month, with temperature in the range of an average high of 32.2°F (0.1°C) and an average low of 20.3°F (-6.5°C).Temperature
Jamestown's coldest weather arrives in January, when temperatures average 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 Jamestown, during January, the rain falls for 7.8 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Jamestown, during the entire year, the rain falls for 164.1 days and collects up to 31.61" (803mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Jamestown. In Jamestown, in January, snow falls for 11.9 days, with typically accumulated 3.58" (91mm) of snow. Throughout the year, there are 40.6 snowfall days, and 13.46" (342mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 43min.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, in Jamestown, sunrise is at 7:55 am and sunset at 6:04 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. On your guard! Snow's reflection 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, IN
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is April (3.86").
The driest months (with the least rainfall) are February and November (1.85").
Average rainfall days in January
Jamestown, 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
Jamestown, 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
Jamestown, 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
Jamestown, IN
- Average daylight in January: 9h and 42min
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 48min
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
Jamestown, IN
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Jamestown, 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
Jamestown, 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
Jamestown, 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).
