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
Winona's December weather comes with a decrease in average high-temperatures, moving from a cool 54.7°F (12.6°C) in November to a frosty 44.8°F (7.1°C). In December, Winona experiences a temperature dip to an average of 31.1°F (-0.5°C) at night.Humidity
In Winona, the average relative humidity in December is 77%.Rainfall
In Winona, in December, during 7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 139.5 rainfall days, and 25.87" (657mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Winona, Missouri. In Winona, in December, snow falls for 3.2 days, with typically accumulated 1.06" (27mm) of snow. In Winona, during the entire year, snow falls for 17.2 days and aggregates up to 4.84" (123mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:58 pm CST.
Sunshine
The average sunshine in December is 5.1h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December in Winona?
How many days does it snow in December?
What is the month with the shortest days in Winona?
How many hours of daylight does Winona have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Winona have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Winona, MO
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Winona, MO
- Average pressure in December: 30.14"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 December
Winona, MO
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
Winona, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Winona, MO
- Average rainfall in December: 1.42"
The wettest months (with the highest rainfall) are April and May (3.15").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Winona, MO
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (7 days).
Average snowfall in December
Winona, MO
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Winona, MO
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Winona, MO
- Average daylight in December: 9h and 4min
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 December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Winona, MO
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is December (20.5 days).
The months with the least sunshine days are May and June (12.6 days).
Average UV index in December
Winona, MO
- Average UV index in December: 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 December
Winona, MO
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Winona, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Winona, Missouri, USA
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