December weather forecastStewart, MS
December
Weather in December
December, the first month of the winter in Stewart, is still a cool month, with an average temperature fluctuating between 39.9°F (4.4°C) and 54°F (12.2°C).Temperature
The start of December comes with a small reduction in the average high-temperature, subtly receding from an enjoyable 61.9°F (16.6°C) in November to a fresh 54°F (12.2°C). Stewart experiences an average low-temperature of 39.9°F (4.4°C) in the month of December.Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
In Stewart, in December, it is raining for 11.7 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 155 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.6 days. Throughout December, 0.04" (1mm) of snow is accumulated. Throughout the year, there are 3.4 snowfall days, and 1.06" (27mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:44 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:01 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Stewart are January, February, November 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 unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stewart, MS
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in December: 39.9°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Stewart, 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
Stewart, MS
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Stewart, MS
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Stewart, MS
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Stewart, MS
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
Stewart, MS
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Stewart, MS
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.3 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
Stewart, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 48min
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 42min).
Average sunshine days in December
Stewart, MS
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in December
Stewart, 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
Stewart, MS
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in December
Stewart, 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).





