December weather forecast
Manchaca, TX

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Weather in December

The first month of the winter, December, is also a moderate month in Manchaca, Texas, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 45.1°F (7.3°C).

Temperature

The transition to December results in a modest reduction in average high-temperature, moving from a comfortable 67.6°F (19.8°C) in November to a still refreshing 59.9°F (15.5°C). December witnesses an average nighttime temperature of 45.1°F (7.3°C) in Manchaca.

Humidity

In December, the average relative humidity in Manchaca is 71%.

Rainfall

In Manchaca, during December, the rain falls for 9.7 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Manchaca, during the entire year, the rain falls for 148 days and collects up to 24.92" (633mm) of precipitation.

Snowfall

Months with snowfall in Manchaca are January, February, November and December. In December, it is snowing for 0.1 days. Throughout December, 0.04" (1mm) of snow is accumulated. In Manchaca, Texas, during the entire year, snow falls for 1 days and aggregates up to 0.35" (9mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:41 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.3h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Manchaca. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What are December temperatures in Manchaca?

The high-temperature, in December, in Manchaca, records 59.9°F (15.5°C), while the low-temperature is 45.1°F (7.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 98.6°F (37°C).

What is the average humidity in December in Manchaca?

In Manchaca, Texas, the average relative humidity in December is 71%.

How much does it rain in Manchaca in December?

In Manchaca, in December, it is raining for 9.7 days, with typically 1.3" (33mm) of accumulated precipitation.

How much does it snow in Manchaca in December?

In Manchaca, Texas, in December, during 0.1 snowfall days, 0.04" (1mm) of snow is typically accumulated.

What is the month with the shortest days in Manchaca?

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

How many hours of daylight does Manchaca have in December?

In December, the average day length is 10h and 14min.

When is the sunrise / sunset in December in Manchaca?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 5:30 pm. On the last day of the month, in Manchaca, Texas, sunrise is at 7:27 am and sunset at 5:41 pm CST.

What is the month with the least sunshine in Manchaca?

December has the least sunshine of the year in Manchaca, Texas, with an average of 5.3h of sunshine.

How many hours of sunshine does Manchaca have in December?

In Manchaca, Texas, the average sunshine duration in December is 5.3h.

What is the month with the lowest UV index in Manchaca?

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

What is the UV index reading in December in Manchaca?

In December, the average daily maximum UV index in Manchaca is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Manchaca, TX

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

The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 45.1°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 (42.4°F).

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Average pressure in December
Manchaca, TX

Average pressure in December - Manchaca, 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 (29.91"Hg).

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Average wind speed in December
Manchaca, TX

Average wind speed in December - Manchaca, TX
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

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Average humidity in December
Manchaca, TX

Average humidity in December - Manchaca, TX
  • Average humidity in December: 71%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in December
Manchaca, TX

Average rainfall in December - Manchaca, TX
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in December
Manchaca, TX

Average rainfall days in December - Manchaca, TX
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is September (16.4 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in December
Manchaca, TX

Average snowfall in December - Manchaca, TX
  • Average snowfall in December: 0.04"

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

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Average snowfall days in December
Manchaca, TX

Average snowfall days in December - Manchaca, TX
  • Average snowfall days in December: 0.1 days

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

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Average daylight in December /
Average sunshine in December
Manchaca, TX

Average daylight in December / Average sunshine in December - Manchaca, 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 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Manchaca, TX

Average sunshine days in December - Manchaca, TX
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index in December
Manchaca, TX

Average UV index in December - Manchaca, 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).

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Average cloud cover in December
Manchaca, TX

Average cloud cover in December - Manchaca, TX
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in December
Manchaca, TX

Average visibility in December - Manchaca, 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).

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Manchaca, Texas, USA

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