December weather forecast
Buenos Aires, TX

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Weather in December

December, the first month of the winter in Buenos Aires, is still a refreshing month, with an average temperature varying between 63°F (17.2°C) and 43.7°F (6.5°C).

Temperature

December is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 70.5°F (21.4°C) in November to an enjoyable 63°F (17.2°C). An average low-temperature of 43.7°F (6.5°C) is noted during the nights in December.

Humidity

In December, the average relative humidity is 44%.

Rainfall

In December, the rain falls for 3 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 75.1 rainfall days, and 6.89" (175mm) of precipitation is accumulated.

Snowfall

January and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 0.9 snowfall days, and 0.24" (6mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 18min of daylight.
On the first day of the month, sunrise is at 7:30 am and sunset at 5:55 pm. On the last day of December, in Buenos Aires, sunrise is at 7:47 am and sunset at 6:06 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 8.3h 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 moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 3 transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Buenos Aires in December?

December temperatures vary between a high-temperature of 63°F (17.2°C) and a low-temperature of 43.7°F (6.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in October is evaluated at 80.6°F (27°C).

What is the average humidity in December?

The average relative humidity in December is 44%.

How many days does it rain in December?

In Buenos Aires, in December, during 3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days?

With an average of 10h and 18min of daylight, December has the shortest days of the year in Buenos Aires, Texas.

What is the average length of the day in December?

In December, the average day length is 10h and 19min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 5:55 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:06 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 8.3h of sunshine.

How many hours of sunshine does Buenos Aires have in December?

The average sunshine duration in December is 8.3h.

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Buenos Aires, TX

Average temperature in December - Buenos Aires, TX
  • Average high temperature in December: 63°F

The warmest month (with the highest average high temperature) is June (96.3°F).
The month with the lowest average high temperature is January (61.9°F).

  • Average low temperature in December: 43.7°F

The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in December
Buenos Aires, TX

Average pressure in December - Buenos Aires, TX
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Buenos Aires, TX

Average wind speed in December - Buenos Aires, TX
  • Average wind speed in December: 5.4mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is December (5.4mph).

Average humidity in December
Buenos Aires, TX

Average humidity in December - Buenos Aires, TX
  • Average humidity in December: 44%

The month with the highest relative humidity is September (45%).
The month with the lowest relative humidity is April (23%).

Average rainfall in December
Buenos Aires, TX

Average rainfall in December - Buenos Aires, TX
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is September (1.18").
The driest month (with the least rainfall) is February (0.12").

Average rainfall days in December
Buenos Aires, TX

Average rainfall days in December - Buenos Aires, TX
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in December
Buenos Aires, TX

Average snowfall in December - Buenos Aires, TX
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Buenos Aires, TX

Average snowfall days in December - Buenos Aires, TX
  • Average snowfall days in December: 0.3 days

The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Buenos Aires, TX

Average daylight in December / Average sunshine in December - Buenos Aires, TX
  • 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: 8h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 18min).

Average sunshine days in December
Buenos Aires, TX

Average sunshine days in December - Buenos Aires, TX
  • Average sunshine days in December: 27.3 days

The months with the most sunshine days are January and December (27.3 days).
The month with the least sunshine days is September (13.2 days).

Average UV index in December
Buenos Aires, TX

Average UV index in December - Buenos Aires, TX
  • 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
Buenos Aires, TX

Average cloud cover in December - Buenos Aires, TX
  • Average cloud cover in December: 15

The month with the most cloud cover is September (Cloud cover 20).
The months with the least cloud cover are May and June (Cloud cover 10).

Average visibility in December
Buenos Aires, TX

Average visibility in December - Buenos Aires, TX
  • 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).

Buenos Aires, Texas, USA

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