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 brings a slight decrease in temperature, down from an enjoyable 65.1°F (18.4°C) in November to a moderate 58.3°F (14.6°C). Hartman experiences a nighttime temperature average of 43.2°F (6.2°C) during December.Humidity
February and December, with an average relative humidity of 82%, are the most humid months in Hartman.Rainfall
In Hartman, during December, the rain falls for 10.5 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 147.1 rainfall days, and 20.31" (516mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February 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. Throughout the year, there are 1.8 snowfall days, and 0.35" (9mm) of snow is accumulated.Daylight
The month with the shortest days in Hartman is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:43 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:00 am and sunset at 5:09 pm CST.
Sunshine
With an average of 4.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 3 in December transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Hartman have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Hartman have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Hartman, MS
- Average high temperature in December: 58.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.6°F).
- Average low temperature in December: 43.2°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Hartman, 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
Hartman, MS
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Hartman, MS
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Hartman, MS
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is November (0.98").
Average rainfall days in December
Hartman, MS
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Hartman, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Hartman, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Hartman, 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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Hartman, MS
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is August (10 days).
Average UV index in December
Hartman, 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
Hartman, MS
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Hartman, MS
- Average visibility in December: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Hartman, Mississippi, USA
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