Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset introduces a mild reduction in the average high-temperature, from a comfortable 62.1°F (16.7°C) in November to a fresh 54.3°F (12.4°C). Throughout December, Winona's nights cool down to an average of 40.5°F (4.7°C).Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
In Winona, during December, the rain falls for 10.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Winona, during the entire year, the rain falls for 143.7 days and collects up to 25.67" (652mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Winona, during December, snow falls for 0.6 days and regularly aggregates up to 0.04" (1mm) of snow. Throughout the year, there are 3.6 snowfall days, and 0.87" (22mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:45 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:02 am and sunset at 5:01 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 suggests this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Winona have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Winona have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Winona, MS
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in December
Winona, MS
- Average pressure in December: 30.14"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 December
Winona, MS
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Winona, MS
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Winona, MS
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is July (2.72").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in December
Winona, MS
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in December
Winona, MS
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Winona, MS
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Winona, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Winona, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Winona, MS
- Average UV index in December: 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, February and December (UV index 3).
Average cloud cover in December
Winona, MS
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Winona, MS
- Average visibility in December: 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).
Winona, Mississippi, USA
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