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
In Portageville, the beginning of December is marked by a lowered average high-temperature, shifting from November's mild 56.5°F (13.6°C) to a frosty 47.1°F (8.4°C). During the month of December, the temperature generally drops to a low average of 35.6°F (2°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Portageville, during December, the rain falls for 11.3 days and regularly aggregates up to 3.15" (80mm) of precipitation. In Portageville, during the entire year, the rain falls for 156.9 days and collects up to 37.8" (960mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Portageville, in December, during 0.7 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, there are 7.4 snowfall days, and 3.94" (100mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 4:43 pm. On the last day of December, in Portageville, sunrise is at 7:10 am and sunset at 4:53 pm CST.
Sunshine
In Portageville, the average sunshine in December is 5h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Portageville?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Portageville have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Portageville, MO
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Portageville, 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 (29.94"Hg).
Average wind speed in December
Portageville, MO
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Portageville, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Portageville, MO
- Average rainfall in December: 3.15"
The wettest months (with the highest rainfall) are March and April (4.37").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Portageville, MO
- Average rainfall days in December: 11.3 days
The months with the highest number of rainy days are May and July (16.2 days).
The month with the least rainy days is November (10 days).
Average snowfall in December
Portageville, MO
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Portageville, MO
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Portageville, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Portageville, MO
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Portageville, MO
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Portageville, MO
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in December
Portageville, MO
- 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).
Portageville, Missouri, USA
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