December weather forecast
Crosby, MS

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Weather in December

The first month of the winter, December, is still a refreshing month in Crosby, Mississippi, with an average temperature fluctuating between 59.4°F (15.2°C) and 44.6°F (7°C).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from an enjoyable 66.6°F (19.2°C) in November to a mild 59.4°F (15.2°C). During December nights, Crosby witnesses a consistent average temperature of 44.6°F (7°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Crosby, in December, during 11.7 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 159.9 rainfall days, and 22.6" (574mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 1.1 snowfall days, and 0.43" (11mm) of snow is accumulated.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:45 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:02 am and sunset at 5:12 pm CST.

Sunshine

With an average of 4.8h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the UV index of 3 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Crosby, records 59.4°F (15.2°C), while the low-temperature is 44.6°F (7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 102.2°F (39°C).

What is the average humidity in December?

In Crosby, the average relative humidity in December is 82%.

How many days does it rain in December?

In December, the rain falls for 11.7 days. Throughout December, 1.89" (48mm) of precipitation is accumulated.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.16" (4mm) of snow.

What is the month with the shortest days?

With an average of 10h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Crosby have in December?

In Crosby, the average day length in December is 10h and 9min.

What time are sunrise and sunset in December?

On the first day of December in Crosby, Mississippi, sunrise is at 6:45 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:12 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year in Crosby, with an average of 4.8h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

What is the month with the lowest UV index?

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 Crosby, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Crosby, MS

Average temperature in December - Crosby, MS
  • Average high temperature in December: 59.4°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (56.7°F).

  • Average low temperature in December: 44.6°F

The month with the highest average low temperature is August (72.5°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average pressure in December
Crosby, MS

Average pressure in December - Crosby, MS
  • Average pressure in December: 30.13"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
Crosby, MS

Average wind speed in December - Crosby, MS
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

Average humidity in December
Crosby, MS

Average humidity in December - Crosby, MS
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Crosby, MS

Average rainfall in December - Crosby, MS
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is November (1.14").

Average rainfall days in December
Crosby, MS

Average rainfall days in December - Crosby, MS
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in December
Crosby, MS

Average snowfall in December - Crosby, MS
  • Average snowfall in December: 0.16"

The month with the highest snowfall is January (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Crosby, MS

Average snowfall days in December - Crosby, MS
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Crosby, 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 12min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in December
Crosby, MS

Average sunshine days in December - Crosby, MS
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is August (9 days).

Average UV index in December
Crosby, MS

Average UV index in December - Crosby, MS
  • Average UV index in December: 3

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Crosby, MS

Average cloud cover in December - Crosby, MS
  • Average cloud cover in December: 51

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in December
Crosby, MS

Average visibility in December - Crosby, MS
  • Average visibility in December: 5mi

The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).

Crosby, Mississippi, USA

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