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 is marked by a subtle drop in average high-temperatures, transitioning from a comfortable 65.3°F (18.5°C) in November to a still refreshing 58.1°F (14.5°C). Throughout December, the average low-temperature dips to a frosty 43°F (6.1°C).Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 11.8 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Summerland, during the entire year, the rain falls for 152.9 days and collects up to 23.66" (601mm) of precipitation.Snowfall
January through March and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.3 days and typically aggregates up to 0.35" (9mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 4:53 pm. On the last day of December, sunrise is at 6:57 am and sunset at 5:04 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily UV index of 3 turns into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in Summerland in December?
What is the snowiest month?
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?
What is the month with the least sunshine?
How many hours of sunshine does Summerland have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Summerland, MS
- Average high temperature in December: 58.1°F
The warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in December: 43°F
The months with the highest average low temperature are July and August (71.8°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Summerland, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Summerland, MS
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Summerland, 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
Summerland, MS
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in December
Summerland, MS
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in December
Summerland, MS
- Average snowfall in December: 0.35"
The month with the highest snowfall is December (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Summerland, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.7 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
Summerland, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Summerland, MS
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is August (8.7 days).
Average UV index in December
Summerland, 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 and December (UV index 3).
Average cloud cover in December
Summerland, MS
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Summerland, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Summerland, Mississippi, USA
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