December weather forecast
Horseshoe Bay, TX

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Weather in December

The first month of the winter, December, is also a moderate month in Horseshoe Bay, Texas, with an average temperature fluctuating between 59.9°F (15.5°C) and 43°F (6.1°C).

Temperature

December marks a gentle change in average high-temperature, declining from November's comfortable 67.1°F (19.5°C) to a moderate 59.9°F (15.5°C). During December, Horseshoe Bay experiences a consistent low-temperature average of 43°F (6.1°C).

Humidity

The average relative humidity in December is 68%.

Rainfall

February, November and December are months with the least rain when the rain falls for 6.9 days and typically aggregates up to 0.71" (18mm) of rain.

Snowfall

January, March through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 7:13 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:43 pm CST.

Sunshine

The months with the least sunshine are November and December, with an average of 5.7h of sunshine.

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 medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What are the temperatures in December?

In December, the average high-temperature and low-temperature are 59.9°F (15.5°C) and 43°F (6.1°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 96.8°F (36°C).

What is the average humidity in December?

In December, the average relative humidity is 68%.

What is the driest month?

The months with the least rainfall are February, November and December Rain falls for 6.9 days and accumulates 0.71" (18mm) of rain.

How many days does it rain in December?

In Horseshoe Bay, during December, the rain falls for 6.9 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow?

In Horseshoe Bay, snow does not fall in January, March through December.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 12min of daylight.

How many hours of daylight does Horseshoe Bay have in December?

In Horseshoe Bay, the average day length in December is 10h and 13min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:43 pm CST.

What are the months with the least sunshine?

November and December, with an average of 5.7h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 5.7h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Horseshoe Bay, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Horseshoe Bay, TX

Average temperature in December - Horseshoe Bay, TX
  • Average high temperature in December: 59.9°F

The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 43°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).

Average pressure in December
Horseshoe Bay, TX

Average pressure in December - Horseshoe Bay, TX
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Horseshoe Bay, TX

Average wind speed in December - Horseshoe Bay, TX
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

Average humidity in December
Horseshoe Bay, TX

Average humidity in December - Horseshoe Bay, TX
  • Average humidity in December: 68%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (57%).

Average rainfall in December
Horseshoe Bay, TX

Average rainfall in December - Horseshoe Bay, TX
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (3.62").
The driest months (with the least rainfall) are February, November and December (0.71").

Average rainfall days in December
Horseshoe Bay, TX

Average rainfall days in December - Horseshoe Bay, TX
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in December
Horseshoe Bay, TX

Average snowfall in December - Horseshoe Bay, TX
  • Average snowfall in December: 0"

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

Average snowfall days in December
Horseshoe Bay, TX

Average snowfall days in December - Horseshoe Bay, TX
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Horseshoe Bay, TX

Average daylight in December / Average sunshine in December - Horseshoe Bay, 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: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).

Average sunshine days in December
Horseshoe Bay, TX

Average sunshine days in December - Horseshoe Bay, TX
  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is May (13.3 days).

Average UV index in December
Horseshoe Bay, TX

Average UV index in December - Horseshoe Bay, 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).

Average cloud cover in December
Horseshoe Bay, TX

Average cloud cover in December - Horseshoe Bay, TX
  • Average cloud cover in December: 36

The month with the most cloud cover is May (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December
Horseshoe Bay, TX

Average visibility in December - Horseshoe Bay, 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).

Horseshoe Bay, Texas, USA

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