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 shift from November to December corresponds with a decrease in the average high-temperature, down to a frosty 44.2°F (6.8°C) from a fresh 54.1°F (12.3°C). During the month of December, the temperature in Seymour generally drops to a low average of 29.8°F (-1.2°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Seymour, in December, during 8.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, in Seymour, there are 159.6 rainfall days, and 36.22" (920mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Seymour. In Seymour, Missouri, in December, snow falls for 3.9 days, with typically accumulated 1.46" (37mm) of snow. In Seymour, during the entire year, snow falls for 21.8 days and aggregates up to 10.75" (273mm) 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 7:06 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:04 pm CST.
Sunshine
In December, the average sunshine in Seymour is 5.3h.UV index
January, February, November 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 minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Seymour in December?
What is the average humidity in December in Seymour?
How much does it rain in Seymour in December?
How much does it snow in Seymour in December?
What is the month with the shortest days in Seymour?
How many hours of daylight does Seymour have in December?
When are sunrise and sunset in December in Seymour?
How many hours of sunshine does Seymour have in December?
What is the month with the lowest UV index in Seymour?
How high is the UV index in December in Seymour?
Average temperature in December
Seymour, MO
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Seymour, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Seymour, MO
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are January and March (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
Seymour, MO
- Average humidity in December: 76%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Seymour, MO
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in December
Seymour, MO
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Seymour, MO
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Seymour, MO
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Seymour, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in December
Seymour, MO
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Seymour, 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
Seymour, MO
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Seymour, 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).
Seymour, Missouri, USA
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