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
A moderate decline in the average high-temperature is seen during December, decreasing from a fresh 50.9°F (10.5°C) in November to a cold 38.8°F (3.8°C). Throughout December, Excello anticipates an average low-temperature of 26.1°F (-3.3°C).Humidity
The average relative humidity in December is 78%.Rainfall
In December, the rain falls for 5.8 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Excello, Missouri, during the entire year, the rain falls for 136.5 days and collects up to 27.36" (695mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Excello, in December, during 4.8 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Excello, during the entire year, snow falls for 25.9 days and aggregates up to 12.76" (324mm) of snow.Daylight
The month with the shortest days in Excello is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of December, in Excello, sunrise is at 7:30 am and sunset at 4:55 pm CST.
Sunshine
The average sunshine in December is 4.9h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold does it get in Excello in December?
What is the average humidity in December in Excello?
How many days does it rain in December in Excello?
How many days does it snow in December in Excello?
What is the month with the shortest days in Excello?
What is the average length of the day in December in Excello?
When are sunrise and sunset in December in Excello?
How long on average sun shines in December in Excello?
What is the month with the lowest UV index in Excello?
What is the UV index intensity in December in Excello?
Average temperature in December
Excello, MO
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Excello, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Excello, MO
- Average wind speed in December: 9.8mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Excello, MO
- Average humidity in December: 78%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Excello, MO
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Excello, MO
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Excello, MO
- Average snowfall in December: 1.65"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Excello, MO
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Excello, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Excello, MO
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Excello, 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
Excello, MO
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Excello, 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).
Excello, Missouri, USA
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