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 shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a comfortable 61.9°F (16.6°C) to a cool 53.8°F (12.1°C). Nighttime temperatures in December average to a cold 41.5°F (5.3°C).Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 12.7 days. Throughout December, 4.09" (104mm) of precipitation is accumulated. In Sisloff Junction, during the entire year, the rain falls for 163.4 days and collects up to 41.57" (1056mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:48 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:05 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Take precautions - Protection against sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sisloff Junction have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Sisloff Junction have in December?
When is the lowest UV index in Sisloff Junction?
What is the UV index intensity in December?
Average temperature in December
Sisloff Junction, MS
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in December
Sisloff Junction, 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
Sisloff Junction, MS
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Sisloff Junction, MS
- Average humidity in December: 78%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Sisloff Junction, MS
- Average rainfall in December: 4.09"
The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Sisloff Junction, MS
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in December
Sisloff Junction, MS
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Sisloff Junction, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sisloff Junction, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Sisloff Junction, MS
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in December
Sisloff Junction, 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
Sisloff Junction, MS
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Sisloff Junction, 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).
Sisloff Junction, Mississippi, USA
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