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 onset corresponds with a subtle shift in the average high-temperature, slightly moving from 63.9°F (17.7°C) in November to a still refreshing 56.8°F (13.8°C). In Porterville, an average temperature of 41.7°F (5.4°C) is noted during December nights.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In Porterville, Mississippi, in December, during 11.5 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Porterville, during the entire year, the rain falls for 145.8 days and collects up to 24.57" (624mm) of precipitation.Snowfall
January, February, November and December are months with snowfall. In Porterville, in December, during 0.3 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, there are 2.5 snowfall days, and 1.1" (28mm) of snow is accumulated.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 6:38 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:58 pm CST.
Sunshine
February and December, with an average of 4.8h 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 health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Take precautions - Protection against sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of 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?
How much does it snow in December?
What is the month with the shortest days in Porterville?
What is the average length of the day in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index in Porterville?
What is the UV index intensity in December?
Average temperature in December
Porterville, MS
- Average high temperature in December: 56.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in December: 41.7°F
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Porterville, 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
Porterville, MS
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Porterville, 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 (70%).
Average rainfall in December
Porterville, MS
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Porterville, MS
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Porterville, MS
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Porterville, MS
- Average snowfall days in December: 0.3 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Porterville, 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 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 48min).
Average sunshine days in December
Porterville, MS
- Average sunshine days in December: 17.9 days
The months with the most sunshine days are October and November (21.3 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in December
Porterville, 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
Porterville, MS
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Porterville, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Porterville, Mississippi, USA
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