December weather forecast
Grant, LA

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Weather in December

The first month of the winter, December, is still a refreshing month in Grant, Louisiana, with an average temperature fluctuating between 60.3°F (15.7°C) and 45.9°F (7.7°C).

Temperature

December ushers in a minor alteration in Grant's climate, with the average high-temperature moving from November's 67.8°F (19.9°C) to a still refreshing 60.3°F (15.7°C). The temperature dips to an average of 45.9°F (7.7°C) during December nights.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Grant, Louisiana, during December, the rain falls for 9.7 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Grant, during the entire year, the rain falls for 140.7 days and collects up to 15.55" (395mm) of precipitation.

Snowfall

Months with snowfall are January, February, September and December. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Grant, during the entire year, snow falls for 0.5 days.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:52 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:20 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

The months with the lowest UV index in Grant are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the average December temperature?

In Grant, 60.3°F (15.7°C) is the average high-temperature and 45.9°F (7.7°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 102.2°F (39°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Grant, Louisiana, during December, the rain falls for 9.7 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days?

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

How many hours of daylight does Grant have in December?

In December, the average day length is 10h and 11min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:20 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5h of sunshine.

How many hours of sunshine does Grant have in December?

In Grant, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December in Grant?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grant, LA

Average temperature in December - Grant, LA
  • Average high temperature in December: 60.3°F

The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (58.1°F).

  • Average low temperature in December: 45.9°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in December
Grant, LA

Average pressure in December - Grant, LA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Grant, LA

Average wind speed in December - Grant, LA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

Average humidity in December
Grant, LA

Average humidity in December - Grant, LA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Grant, LA

Average rainfall in December - Grant, LA
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in December
Grant, LA

Average rainfall days in December - Grant, LA
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.9 days).

Average snowfall days in December
Grant, LA

Average snowfall days in December - Grant, LA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

Average daylight in December /
Average sunshine in December
Grant, LA

Average daylight in December / Average sunshine in December - Grant, LA
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Grant, LA

Average sunshine days in December - Grant, LA
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is August (9.3 days).

Average UV index in December
Grant, LA

Average UV index in December - Grant, LA
  • 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
Grant, LA

Average cloud cover in December - Grant, LA
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Grant, LA

Average visibility in December - Grant, LA
  • Average visibility in December: 6mi

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

Grant, Louisiana, USA

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