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 month of January sees the lowest average temperatures, reaching 37.9°F (3.3°C) at the peak and 22.1°F (-5.5°C) at the low.Humidity
January and May, with an average relative humidity of 72%, are the most humid months.Rainfall
In Jamestown, in January, during 3.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 106.2 rainfall days, and 22.24" (565mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Jamestown. January is the month with the most snowfall. Snow falls for 5 days and accumulates 1.85" (47mm) of snow.Daylight
In January, the average length of the day in Jamestown is 9h and 45min.On the first day of the month, sunrise is at 7:51 am and sunset at 5:17 pm. On the last day of January, sunrise is at 7:40 am and sunset at 5:49 pm CST.
Sunshine
The average sunshine in January is 5.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Jamestown?
How cold does it get in Jamestown in January?
What is the most humid month in Jamestown?
What is the average humidity in January in Jamestown?
How much does it rain in Jamestown in January?
When does it snow the most in Jamestown?
How much does it snow in Jamestown in January?
What is the average length of the day in January in Jamestown?
When is the sunrise / sunset in January in Jamestown?
How many hours of sunshine does Jamestown have in January?
When is the lowest UV index in Jamestown?
How high is the UV index in January in Jamestown?
Average temperature in January
Jamestown, KS
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in January
Jamestown, KS
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Jamestown, KS
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in January
Jamestown, KS
- Average humidity in January: 72%
The months with the highest relative humidity are January and May (72%).
The month with the lowest relative humidity is October (62%).
Average rainfall in January
Jamestown, KS
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in January
Jamestown, KS
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in January
Jamestown, KS
- Average snowfall in January: 1.85"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jamestown, KS
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is February (5.7 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, KS
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Jamestown, KS
- Average sunshine days in January: 23.3 days
The months with the most sunshine days are November and December (24.3 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in January
Jamestown, KS
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Jamestown, KS
- Average cloud cover in January: 36
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 23).
Average visibility in January
Jamestown, KS
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Jamestown, Kansas, USA
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