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, recording an average high temperature of 41.5°F (5.3°C) and a low temperature of 27.9°F (-2.3°C), is Jamestown's coldest month.Humidity
In January, the average relative humidity in Jamestown is 78%.Rainfall
In Jamestown, Kentucky, during January, the rain falls for 12.1 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Jamestown, Kentucky, during the entire year, the rain falls for 178.7 days and collects up to 40.87" (1038mm) of precipitation.Snowfall
Months with snowfall in Jamestown are January through April, October through December. The months with the most snowfall in Jamestown are January and February, with an average 2.91" (74mm) of accumulated snow.Daylight
The average length of the day in January in Jamestown, Kentucky, is 9h and 58min.On the first day of the month, sunrise is at 6:53 am and sunset at 4:34 pm. On the last day of January, sunrise is at 6:43 am and sunset at 5:03 pm CST.
Sunshine
The average sunshine in January in Jamestown is 4.1h.UV index
The months with the lowest UV index in Jamestown, Kentucky, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What time of the year is the coldest in Jamestown?
How cold is January in Jamestown?
What is the average humidity in January in Jamestown?
How much does it rain in Jamestown in January?
What is the snowiest month in Jamestown?
How much does it snow in Jamestown in January?
How many hours of daylight does Jamestown have in January?
When are sunrise and sunset in January in Jamestown?
How many hours of sunshine does Jamestown have in January?
When is the lowest UV index in Jamestown?
What is the UV index intensity in January in Jamestown?
Average temperature in January
Jamestown, KY
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in January: 27.9°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in January
Jamestown, KY
- 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 (29.96"Hg).
Average wind speed in January
Jamestown, KY
- Average wind speed in January: 7.7mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Jamestown, KY
- Average humidity in January: 78%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April, June, August, September, October and November (76%).
Average rainfall in January
Jamestown, KY
- Average rainfall in January: 3.07"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in January
Jamestown, KY
- Average rainfall days in January: 12.1 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in January
Jamestown, KY
- Average snowfall in January: 2.91"
The months with the highest snowfall are January and February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Jamestown, KY
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 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
Jamestown, KY
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 1min
The months with the most sunshine are June and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in January
Jamestown, KY
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in January
Jamestown, KY
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Jamestown, KY
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Jamestown, KY
- Average visibility in January: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Jamestown, Kentucky, USA
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