December weather forecastThayer, MO
December
Weather in December
December, the first month of the winter in Thayer, is still a chilly month, with an average temperature varying between 32.5°F (0.3°C) and 46.8°F (8.2°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's refreshing 56.1°F (13.4°C) to a chilly 46.8°F (8.2°C). December witnesses an average low-temperature hovering around a wintry 32.5°F (0.3°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Thayer, during December, the rain falls for 9.3 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Thayer, there are 148 rainfall days, and 35.39" (899mm) of precipitation is accumulated.Snowfall
Months with snowfall in Thayer are January through April, November and December. In December, in Thayer, it is snowing for 1.6 days. Throughout December, 0.98" (25mm) of snow is accumulated. In Thayer, Missouri, during the entire year, snow falls for 8.9 days and aggregates up to 4.57" (116mm) 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 the month, sunrise is at 7:00 am and sunset at 4:50 pm. On the last day of December, in Thayer, Missouri, sunrise is at 7:17 am and sunset at 5:00 pm CST.
Sunshine
In Thayer, the average sunshine in December is 5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Thayer, Missouri. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. 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
Average temperature in December
Thayer, MO
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Thayer, 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
Thayer, MO
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Thayer, MO
- Average humidity in December: 77%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Thayer, MO
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Thayer, MO
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Thayer, MO
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Thayer, MO
- Average snowfall days in December: 1.6 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Thayer, MO
- Average daylight in December: 9h and 42min
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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Thayer, MO
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Thayer, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Thayer, MO
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Thayer, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
