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
With the arrival of December, Institute experiences a modest decline in average high-temperatures, transitioning from a comfortable 64.6°F (18.1°C) in November to a moderate 57.6°F (14.2°C). In December, Institute experiences a temperature dip to an average of 43°F (6.1°C) at night.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Institute, in December, it is raining for 12.7 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 161.5 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. In Institute, during the entire year, snow falls for 2.5 days and aggregates up to 0.87" (22mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:46 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:08 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December in Institute?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Institute have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Institute, MS
- Average high temperature in December: 57.6°F
The warmest month (with the highest average high temperature) is August (91.6°F).
The month with the lowest average high temperature is January (54.7°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is August (72.7°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Institute, MS
- 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 (29.96"Hg).
Average wind speed in December
Institute, MS
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
Institute, MS
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Institute, MS
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Institute, MS
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is August (19.2 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Institute, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Institute, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Institute, MS
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Institute, MS
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Institute, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Institute, MS
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Institute, MS
- 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).
Institute, Mississippi, USA
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