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
In Jack, the month of January registers the lowest temperatures, averaging 55°F (12.8°C) at the peak and 38.5°F (3.6°C) at the lowest.Humidity
In January, the average relative humidity is 78%.Rainfall
In Jack, in January, it is raining for 11.5 days, with typically 3.46" (88mm) of accumulated precipitation. In Jack, during the entire year, the rain falls for 163.6 days and collects up to 37.95" (964mm) of precipitation.Snowfall
Months with snowfall are January, February and December. The month with the most snowfall is January, when snow falls for 0.9 days and typically aggregates up to 0.67" (17mm) of snow.Daylight
In January, the average length of the day is 10h and 20min.On the first day of the month, sunrise is at 7:02 am and sunset at 5:08 pm. On the last day of January, in Jack, sunrise is at 6:56 am and sunset at 5:34 pm CST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during January translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are January temperatures?
What is the average humidity in January?
How many days does it rain in January in Jack?
What is the snowiest month?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Jack have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Jack, MS
- Average high temperature in January: 55°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in January: 38.5°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in January
Jack, MS
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Jack, MS
- Average wind speed in January: 7.3mph
The windiest months (with the highest average wind speed) are February and April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in January
Jack, MS
- Average humidity in January: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Jack, MS
- Average rainfall in January: 3.46"
The wettest month (with the highest rainfall) is August (4.21").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in January
Jack, MS
- Average rainfall days in January: 11.5 days
The months with the highest number of rainy days are July and August (19.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in January
Jack, MS
- Average snowfall in January: 0.67"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Jack, MS
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Jack, MS
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Jack, MS
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in January
Jack, MS
- Average UV index in January: 3
The months with the highest UV index are 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
Jack, MS
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in January
Jack, MS
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Jack, Mississippi, USA
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