December weather forecast
Round Top, TX

Share

Weather in December

The first month of the winter, December, is still a comfortable month in Round Top, Texas, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 46°F (7.8°C).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from an agreeable 68.7°F (20.4°C) to a comfortable 61°F (16.1°C). Round Top experiences an average temperature drop to a chilly 46°F (7.8°C) during December nights.

Humidity

In Round Top, the average relative humidity in December is 76%.

Rainfall

In December, in Round Top, the rain falls for 9.2 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Round Top, during the entire year, the rain falls for 139.2 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

Months with snowfall are January and December. The months with the most snowfall in Round Top are January and December, with an average 0.04" (1mm) of accumulated snow.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year in Round Top.
On the first day of the month, sunrise is at 7:05 am and sunset at 5:26 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:37 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.9h of sunshine.

UV index

December is the month with the lowest UV index in Round Top, Texas, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes 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 - Suggestions to elude sunburn are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What is the average December temperature in Round Top?

The average high-temperature and low-temperature during December are 61°F (16.1°C) and 46°F (7.8°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 102.2°F (39°C).

What is the average humidity in December in Round Top?

In Round Top, the average relative humidity in December is 76%.

How much does it rain in Round Top in December?

In Round Top, Texas, in December, it is raining for 9.2 days, with typically 0.83" (21mm) of accumulated precipitation.

When does it snow the most in Round Top?

The months with the most snowfall in Round Top are January and December, with an average 0.04" (1mm) of accumulated snow.

When does it start snowing in Round Top?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Round Top?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Round Top.

How many hours of daylight does Round Top have in December?

The average day length in December is 10h and 15min.

What time are sunrise and sunset in December in Round Top?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 5:26 pm. On the last day of the month, in Round Top, sunrise is at 7:22 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in Round Top?

December has the least sunshine of the year, with an average of 4.9h of sunshine.

How many hours of sunshine does Round Top have in December?

The average sunshine duration in December is 4.9h.

When is the lowest UV index in Round Top?

The month with the lowest UV index in Round Top is December, with an average maximum UV index of 3.

How high is the UV index in December in Round Top?

In Round Top, Texas, the average daily maximum UV index in December 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
Round Top, TX

Average temperature in December - Round Top, TX
  • Average high temperature in December: 61°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 46°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

[Resources]

Average pressure in December
Round Top, TX

Average pressure in December - Round Top, TX
  • 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 (29.92"Hg).

[Resources]

Average wind speed in December
Round Top, TX

Average wind speed in December - Round Top, TX
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is September (6mph).

[Resources]

Average humidity in December
Round Top, TX

Average humidity in December - Round Top, TX
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (66%).

[Resources]

Average rainfall in December
Round Top, TX

Average rainfall in December - Round Top, TX
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is February (0.59").

[Resources]

Average rainfall days in December
Round Top, TX

Average rainfall days in December - Round Top, TX
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is September (15.6 days).
The month with the least rainy days is January (8.1 days).

[Resources]

Average snowfall in December
Round Top, TX

Average snowfall in December - Round Top, TX
  • Average snowfall in December: 0.04"

The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in December
Round Top, TX

Average snowfall days in December - Round Top, TX
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Round Top, TX

Average daylight in December / Average sunshine in December - Round Top, TX
  • 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: 4h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in December
Round Top, TX

Average sunshine days in December - Round Top, TX
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is June (11 days).

[Resources]

Average UV index in December
Round Top, TX

Average UV index in December - Round Top, TX
  • Average UV index in December: 3

The months with the highest UV index are 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
Round Top, TX

Average cloud cover in December - Round Top, TX
  • Average cloud cover in December: 47

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).

[Resources]

Average visibility in December
Round Top, TX

Average visibility in December - Round Top, TX
  • Average visibility in December: 6mi

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

[Resources]

Round Top, Texas, USA

Weather forecast for your location

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