December weather forecastLockport, LA

December

Weather in December

December, the first month of the winter in Lockport, is still a refreshing month, with an average temperature ranging between min 51.1°F (10.6°C) and max 64.2°F (17.9°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's pleasant 69.8°F (21°C) to a refreshing 64.2°F (17.9°C). December brings an average low-temperature of 51.1°F (10.6°C) to Lockport.

Humidity

With an average relative humidity of 78%, December is the most humid month.

Rainfall

In Lockport, during December, the rain falls for 9.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 145.4 rainfall days, and 19.13" (486mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 18min of daylight.
On the first day of December, sunrise is at 6:40 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:13 pm CST.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Lockport in December has an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 51.1°F (10.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 100.4°F (38°C).

December is the most humid month, with an average relative humidity of 78%.

The average relative humidity in December is 78%.

In Lockport, during December, the rain falls for 9.3 days and regularly aggregates up to 1.5" (38mm) of precipitation.

In Lockport, snow does not fall in February through December.

In Lockport, in December, it doesn't snow. In January, it regularly snows.

The month with the shortest days is December, with an average of 10h and 18min of daylight.

The average day length in December is 10h and 17min.

In December, on the first day of the month, sunrise is at 6:40 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:13 pm CST.

The month with the least sunshine is December, with an average of 5.3h of sunshine.

The average sunshine duration in December is 5.3h.

With an average maximum UV index of 3, December is the month with the lowest UV index.

In Lockport, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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 days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lockport, LA

  • Average high temperature in December: 64.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in December: 51.1°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

Average pressure in December
Lockport, LA

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

Average wind speed in December
Lockport, LA

  • Average wind speed in December: 8.4mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Lockport, LA

  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Lockport, LA

  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is March (0.75").

Average rainfall days in December
Lockport, LA

  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (6.4 days).

Average snowfall days in December
Lockport, LA

  • Average snowfall days in December: 0 days

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

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

  • Average daylight in December: 10h and 18min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in December
Lockport, LA

  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (6.8 days).

Average UV index in December
Lockport, LA

  • Average UV index in December: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Lockport, LA

  • Average cloud cover in December: 44

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in December
Lockport, LA

  • 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).