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
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's enjoyable 61.3°F (16.3°C) to a fresh 53.2°F (11.8°C). In Mehr, December's nights observe an average temperature dip to an icy 39.7°F (4.3°C).Humidity
February, March and December, with an average relative humidity of 79%, are the most humid months in Mehr.Rainfall
In Mehr, in December, during 8.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 113.7 rainfall days, and 13.27" (337mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February, November and December. In Mehr, in December, during 0.4 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Mehr, during the entire year, snow falls for 2.5 days and aggregates up to 0.35" (9mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:47 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mehr have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December in Mehr?
Average temperature in December
Mehr, MS
- Average high temperature in December: 53.2°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (50°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in December
Mehr, 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 (29.95"Hg).
Average wind speed in December
Mehr, MS
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Mehr, MS
- Average humidity in December: 79%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Mehr, MS
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.57").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Mehr, MS
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in December
Mehr, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Mehr, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mehr, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Mehr, MS
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Mehr, MS
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Mehr, MS
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Mehr, 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).
Mehr, Mississippi, USA
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