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 an average high-temperature of 40.5°F (4.7°C) and an average low-temperature of 27.1°F (-2.7°C), January is the coldest month.Humidity
The average relative humidity in January is 75%.Rainfall
In Jackson, during January, the rain falls for 9.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Jackson, during the entire year, the rain falls for 157.5 days and collects up to 34.41" (874mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In January, it is snowing for 4.3 days. Throughout January, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 13.1 snowfall days, and 5.83" (148mm) of snow is accumulated.Daylight
In Jackson, the average length of the day in January is 9h and 56min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:21 pm CST.
Sunshine
The months with the least sunshine in Jackson are January and February, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index are January, February 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 the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Jackson have in January?
When is the sunrise / sunset in January?
What are the months with the least sunshine in Jackson?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Jackson, MO
- Average high temperature in January: 40.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in January: 27.1°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in January
Jackson, MO
- 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 (29.93"Hg).
Average wind speed in January
Jackson, MO
- Average wind speed in January: 9mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Jackson, MO
- Average humidity in January: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Jackson, MO
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Jackson, MO
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in January
Jackson, MO
- Average snowfall in January: 1.22"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Jackson, MO
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is January (4.3 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
Jackson, MO
- Average daylight in January: 9h and 5min
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 36min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in January
Jackson, MO
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Jackson, MO
- 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
Jackson, MO
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Jackson, MO
- 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).
Jackson, Missouri, USA
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