December weather forecast
Norco, LA

Share

Weather in December

December, the first month of the winter in Norco, is also an enjoyable month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 50.9°F (10.5°C).

Temperature

Norco in December experiences a gentle temperature dip, with average high-temperatures reducing from a pleasant 69.1°F (20.6°C) in November to a comfortable 63.7°F (17.6°C). December nights in Norco are marked by an average temperature drop to a fresh 50.9°F (10.5°C).

Humidity

The months with the highest humidity in Norco are February and December, with an average relative humidity of 78%.

Rainfall

In December, the rain falls for 12.6 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Norco, there are 180.8 rainfall days, and 33.39" (848mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Norco, Louisiana, are January and December. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Norco, during the entire year, snow falls for 0.3 days.

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 5:01 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:12 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.1h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 during December translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
[Resources]

Frequently asked questions

What is the temperature in December in Norco?

The average high-temperature, in December, in Norco, is 63.7°F (17.6°C), while the average low-temperature is 50.9°F (10.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 98.6°F (37°C).

What is the most humid month in Norco?

The months with the highest humidity are February and December, with an average relative humidity of 78%.

What is the average humidity in December in Norco?

In Norco, the average relative humidity in December is 78%.

How much does it rain in Norco in December?

In Norco, Louisiana, in December, during 12.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When does it start to snow in Norco?

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

What is the month with the shortest days in Norco?

December has the shortest days of the year, with an average of 10h and 18min of daylight.

How many hours of daylight does Norco have in December?

In Norco, Louisiana, the average day length in December is 10h and 15min.

When is the sunrise / sunset in December in Norco?

On the first day of December in Norco, Louisiana, sunrise is at 6:40 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:12 pm CST.

What is the month with the least sunshine in Norco?

December has the least sunshine of the year, with an average of 5.1h of sunshine.

How long on average sun shines in December in Norco?

The average sunshine duration in December in Norco, Louisiana, is 5.1h.

When is the lowest UV index in Norco?

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

What is the UV index reading in December in Norco?

The average daily maximum UV index in December in Norco 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Norco, LA

Average temperature in December - Norco, LA
  • Average high temperature in December: 63.7°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in December: 50.9°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).

[Resources]

Average pressure in December
Norco, LA

Average pressure in December - Norco, LA
  • Average pressure in December: 30.12"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).

[Resources]

Average wind speed in December
Norco, LA

Average wind speed in December - Norco, LA
  • Average wind speed in December: 8.5mph

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 (5.8mph).

[Resources]

Average humidity in December
Norco, LA

Average humidity in December - Norco, LA
  • Average humidity in December: 78%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in December
Norco, LA

Average rainfall in December - Norco, LA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").

[Resources]

Average rainfall days in December
Norco, LA

Average rainfall days in December - Norco, LA
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).

[Resources]

Average snowfall days in December
Norco, LA

Average snowfall days in December - Norco, 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 February, March, April, May, June, July, August, September, October and November (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Norco, LA
  • Average daylight in December: 10h and 2min

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 1min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

[Resources]

Average sunshine days in December
Norco, LA

Average sunshine days in December - Norco, LA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).

[Resources]

Average UV index in December
Norco, LA

Average UV index in December - Norco, 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).

[Resources]

Average cloud cover in December
Norco, LA

Average cloud cover in December - Norco, LA
  • Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).

[Resources]

Average visibility in December
Norco, LA

Average visibility in December - Norco, 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).

[Resources]

Norco, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location