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
The onset of December introduces a moderate change in Dexter's weather, with average high-temperatures falling from November's refreshing 55.8°F (13.2°C) to a frosty 46.4°F (8°C). Dexter's average low-temperature in the month of December is recorded at an icy 34°F (1.1°C).Humidity
In Dexter, the average relative humidity in December is 77%.Rainfall
In Dexter, during December, the rain falls for 6.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 107.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
Months with snowfall in Dexter are January through March, November and December. In Dexter, in December, snow falls for 1.1 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, in Dexter, there are 5.7 snowfall days, and 0.59" (15mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Dexter.On the first day of the month, sunrise is at 6:54 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:53 pm CST.
Sunshine
The average sunshine in December in Dexter is 5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Dexter in December?
What is the average humidity in December in Dexter?
How many days does it rain in December in Dexter?
How many days does it snow in December in Dexter?
What is the month with the shortest days in Dexter?
What is the average length of the day in December in Dexter?
When are sunrise and sunset in December in Dexter?
How long on average sun shines in December in Dexter?
What is the month with the lowest UV index in Dexter?
What is the UV index reading in December in Dexter?
Average temperature in December
Dexter, MO
- Average high temperature in December: 46.4°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Dexter, 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
Dexter, MO
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Dexter, 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
Dexter, MO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
Dexter, MO
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Dexter, MO
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Dexter, MO
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2 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
Dexter, 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 months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Dexter, MO
- Average sunshine days in December: 23.4 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (15.7 days).
Average UV index in December
Dexter, 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 and December (UV index 2).
Average cloud cover in December
Dexter, MO
- Average cloud cover in December: 45
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 25).
Average visibility in December
Dexter, 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).
Dexter, Missouri, USA
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