December weather forecastCollinstown, MS

December

Weather in December

The first month of the winter, December, is still a cool month in Collinstown, Mississippi, with an average temperature fluctuating between 37.8°F (3.2°C) and 51.1°F (10.6°C).

Temperature

December signifies a minor drop in average high-temperature, transitioning from a mild 59.5°F (15.3°C) in November to a cool 51.1°F (10.6°C). An average nighttime temperature of 37.8°F (3.2°C) is witnessed throughout December.

Humidity

March and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In December, the rain falls for 13 days. Throughout December, 3.31" (84mm) of precipitation is accumulated. Throughout the year, there are 167.2 rainfall days, and 38.98" (990mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 0.4 days. Throughout December, 0.08" (2mm) of snow is accumulated. Throughout the year, there are 4.8 snowfall days, and 1.54" (39mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:44 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:54 pm CST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Collinstown, the average high-temperature is 51.1°F (10.6°C), and the average low-temperature is 37.8°F (3.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is calculated to be 91.4°F (33°C).

The months with the highest humidity in Collinstown are March and December, with an average relative humidity of 80%.

In Collinstown, the average relative humidity in December is 80%.

In December, the rain falls for 13 days. Throughout December, 3.31" (84mm) of precipitation is accumulated.

In Collinstown, in December, during 0.4 snowfall days, 0.08" (2mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 54min of daylight.

In December, the average day length is 9h and 52min.

On the first day of December, sunrise is at 6:44 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:54 pm CST.

The average sunshine duration in December is 4.8h.

December is the month with the lowest UV index in Collinstown, Mississippi, with an average maximum UV index of 2.

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Collinstown, MS

  • Average high temperature in December: 51.1°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in December: 37.8°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in December
Collinstown, 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
Collinstown, MS

  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

Average humidity in December
Collinstown, MS

  • Average humidity in December: 80%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Collinstown, MS

  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is February (4.8").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in December
Collinstown, MS

  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in December
Collinstown, MS

  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Collinstown, MS

  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Collinstown, MS

  • Average daylight in December: 9h and 54min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 4h and 48min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Collinstown, MS

  • Average sunshine days in December: 17 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in December
Collinstown, MS

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Collinstown, MS

  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, August and September (Cloud cover 29).

Average visibility in December
Collinstown, 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).