December weather forecast
New Haven, MS

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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.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in New Haven?

An average high-temperature, in December, in New Haven, is 58.1°F (14.5°C) and the average low-temperature is 43°F (6.1°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 100.4°F (38°C).

What is the most humid month in New Haven?

With an average relative humidity of 81%, December is the most humid month.

What is the average humidity in December in New Haven?

The average relative humidity in December in New Haven, Mississippi, is 81%.

How much does it rain in New Haven in December?

In New Haven, Mississippi, in December, it is raining for 11.8 days, with typically 2.48" (63mm) of accumulated precipitation.

When does it snow the most in New Haven?

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.

When does it start snowing in New Haven?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.35" (9mm) of snow.

What is the month with the shortest days in New Haven?

December has the shortest days of the year in New Haven, with an average of 10h and 6min of daylight.

How many hours of daylight does New Haven have in December?

In December, the average day length in New Haven, Mississippi, is 10h and 7min.

What time are sunrise and sunset in December in New Haven?

In December, on the first day of the month, sunrise is at 6:41 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:05 pm CST.

What is the month with the least sunshine in New Haven?

The months with the least sunshine in New Haven, Mississippi, are February and December, with an average of 4.9h of sunshine.

How long on average sun shines in December in New Haven?

The average sunshine duration in December in New Haven is 4.9h.

What is the month with the lowest UV index in New Haven?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in New Haven?

The average daily maximum UV index in December in New Haven is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
New Haven, MS

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - New Haven, 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
New Haven, MS

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 - 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 - 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 - 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).

New Haven, Mississippi, USA

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