December weather forecastNew Haven, MS
December
Weather in December
December, the first month of the winter in New Haven, is also a moderate month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 43°F (6.1°C).Temperature
The advent of December brings a slight shift in average high-temperature, moving from a refreshing 65.3°F (18.5°C) in November to a moderate 58.1°F (14.5°C). During the nights in December, New Haven experiences a consistent average temperature of 43°F (6.1°C).Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
In December, in New Haven, Mississippi, the rain falls for 11.8 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In New Haven, Mississippi, during the entire year, the rain falls for 152.9 days and collects up to 23.66" (601mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the month with the most snowfall in New Haven. Snow falls for 0.3 days and accumulates 0.35" (9mm) of snow.Daylight
December has the shortest days of the year in New Haven, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:41 am and sunset at 4:54 pm. On the last day of December, in New Haven, sunrise is at 6:58 am and sunset at 5:05 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in New Haven. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
New Haven, 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
New Haven, 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
New Haven, 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
New Haven, 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
New Haven, 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
New Haven, 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
New Haven, 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
New Haven, 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
New Haven, MS
- Average daylight in December: 10h and 6min
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 54min
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
New Haven, 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
New Haven, 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
New Haven, 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
New Haven, 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).





