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 December, the average high-temperature goes from a fresh 51.1°F (10.6°C) in November to a wintry 39°F (3.9°C). Throughout December, Polo's nights cool down to an average of 26.6°F (-3°C).Humidity
In Polo, the average relative humidity in December is 76%.Rainfall
In Polo, during December, the rain falls for 6.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 133.9 rainfall days, and 27.64" (702mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Polo, in December, during 3.9 snowfall days, 1.02" (26mm) of snow is typically accumulated. In Polo, during the entire year, snow falls for 21.6 days and aggregates up to 9.21" (234mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:02 pm CST.
Sunshine
In Polo, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index in Polo are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Polo?
What is the average length of the day in December in Polo?
When is the sunrise / sunset in December?
How many hours of sunshine does Polo have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Polo, MO
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Polo, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Polo, MO
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Polo, MO
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in December
Polo, MO
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Polo, MO
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Polo, MO
- Average snowfall in December: 1.02"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Polo, MO
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Polo, MO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Polo, MO
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Polo, MO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Polo, MO
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Polo, 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).
Polo, Missouri, USA
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