December weather forecast
Romero, LA

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Weather in December

December, the first month of the winter in Romero, is still a comfortable month, with an average temperature fluctuating between 62.2°F (16.8°C) and 48.7°F (9.3°C).

Temperature

The advent of December brings a subtle shift in temperature, with the average high moving from an agreeable 68.9°F (20.5°C) in November to a refreshing 62.2°F (16.8°C). Nighttime temperatures hover around an average low of 48.7°F (9.3°C) in December.

Humidity

In Romero, the average relative humidity in December is 79%.

Rainfall

In Romero, in December, during 9.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Romero, during the entire year, the rain falls for 129.6 days and collects up to 15.83" (402mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:46 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:18 pm CST.

Sunshine

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

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

In December, in Romero, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 48.7°F (9.3°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 102.2°F (39°C).

What is the average humidity in December?

In Romero, the average relative humidity in December is 79%.

How many days does it rain in December?

In Romero, in December, it is raining for 9.9 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in December?

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

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:46 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:18 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 Romero have in December?

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

When is the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Romero, LA

Average temperature in December - Romero, LA
  • Average high temperature in December: 62.2°F

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in December: 48.7°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).

Average pressure in December
Romero, LA

Average pressure in December - Romero, LA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Romero, LA

Average wind speed in December - Romero, LA
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.5mph).

Average humidity in December
Romero, LA

Average humidity in December - Romero, LA
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Romero, LA

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

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is March (0.71").

Average rainfall days in December
Romero, LA

Average rainfall days in December - Romero, LA
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is January (7.2 days).

Average snowfall days in December
Romero, LA

Average snowfall days in December - Romero, 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
Romero, LA

Average daylight in December / Average sunshine in December - Romero, 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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Romero, LA

Average sunshine days in December - Romero, LA
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is August (10.5 days).

Average UV index in December
Romero, LA

Average UV index in December - Romero, 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
Romero, LA

Average cloud cover in December - Romero, LA
  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in December
Romero, LA

Average visibility in December - Romero, 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).

Romero, Louisiana, USA

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