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
As November transitions to December, the average high-temperature falls from a frosty 49.5°F (9.7°C) to an icy 37°F (2.8°C). In Harris, the average nighttime temperature during December is a subzero cold 24.6°F (-4.1°C).Humidity
The average relative humidity in December in Harris is 79%.Rainfall
In December, the rain falls for 6.5 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Harris, during the entire year, the rain falls for 134.1 days and collects up to 25.75" (654mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Harris, in December, during 5.6 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Harris, Missouri, during the entire year, snow falls for 27 days and aggregates up to 12.01" (305mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Harris.On the first day of the month, sunrise is at 7:17 am and sunset at 4:47 pm. On the last day of December, in Harris, sunrise is at 7:36 am and sunset at 4:57 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Harris are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Harris in December?
What is the average humidity in December in Harris?
How much does it rain in Harris in December?
How many days does it snow in December in Harris?
What is the month with the shortest days in Harris?
What is the average length of the day in December in Harris?
What time are sunrise and sunset in December in Harris?
How long on average sun shines in December in Harris?
When is the lowest UV index in Harris?
What is the UV index intensity in December in Harris?
Average temperature in December
Harris, MO
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Harris, 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
Harris, MO
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Harris, MO
- Average humidity in December: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Harris, MO
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Harris, MO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in December
Harris, MO
- Average snowfall in December: 1.38"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harris, MO
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harris, MO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
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 30min).
Average sunshine days in December
Harris, MO
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Harris, 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
Harris, MO
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Harris, 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).
Harris, Missouri, USA
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