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
With average high and low temperatures of 56.8°F (13.8°C) and 39.9°F (4.4°C) respectively, January is Jamestown's coldest month.Humidity
In January, the average relative humidity is 77%.Rainfall
In Jamestown, in January, during 10.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 172.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. In January, it is snowing for 0.6 days. Throughout January, 0.31" (8mm) of snow is accumulated. In Jamestown, Mississippi, during the entire year, snow falls for 1.5 days and aggregates up to 0.94" (24mm) of snow.Daylight
In Jamestown, the average length of the day in January is 10h and 23min.On the first day of January, sunrise is at 6:57 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 5:33 pm CST.
Sunshine
In January, the average sunshine is 5.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, a daily UV index of 3 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the temperature in January in Jamestown?
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 is the sunrise / sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index in Jamestown?
What is the UV index intensity in January in Jamestown?
Average temperature in January
Jamestown, MS
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in January: 39.9°F
The month with the highest average low temperature is August (72.5°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in January
Jamestown, MS
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in January
Jamestown, MS
- Average wind speed in January: 6.8mph
The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Jamestown, MS
- Average humidity in January: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Jamestown, MS
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in January
Jamestown, MS
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is August (22.6 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in January
Jamestown, MS
- Average snowfall in January: 0.31"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Jamestown, MS
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Jamestown, MS
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in January
Jamestown, MS
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (6.7 days).
Average UV index in January
Jamestown, MS
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Jamestown, MS
- Average cloud cover in January: 42
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Jamestown, MS
- Average visibility in January: 6mi
The months with the highest visibility are January, October and November (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and December (5mi).
Jamestown, Mississippi, USA
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