December weather forecast
Mission, TX

Weather in December

December, the first month of the winter in Mission, is also an agreeable month, with an average temperature ranging between max 71.2°F (21.8°C) and min 55.9°F (13.3°C).

Temperature

In Mission, the average high-temperature in December marginally drops from a moderately hot 77.4°F (25.2°C) in November to an agreeable 71.2°F (21.8°C). In December, in Mission, Texas, the average low-temperature is 55.9°F (13.3°C).

Humidity

The months with the highest humidity are May and December, with an average relative humidity of 67%.

Rainfall

The months with the least rainfall are February and December Rain falls for 3.4 days and accumulates 0.12" (3mm) of rain.

Snowfall

In Mission, snow does not fall in March through December.

Daylight

The month with the shortest days in Mission, Texas, is December, with an average of 10h and 32min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 5:40 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:52 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.6h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in December in Mission?

The average high-temperature, in December, is 71.2°F (21.8°C), while the average low-temperature is 55.9°F (13.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in October is appraised at 95°F (35°C).

What are the most humid months in Mission?

The months with the highest humidity are May and December, with an average relative humidity of 67%.

What is the average humidity in December in Mission?

In Mission, Texas, the average relative humidity in December is 67%.

What is the driest month in Mission?

February and December are months with the least rain when the rain falls for 3.4 days and typically aggregates up to 0.12" (3mm) of rain.

How much does it rain in Mission in December?

In December, in Mission, Texas, the rain falls for 3.4 days. Throughout December, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in Mission?

In Mission, snow does not fall in March through December.

Does it snow in Mission in December?

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

What is the month with the shortest days in Mission?

With an average of 10h and 32min of daylight, December has the shortest days of the year in Mission, Texas.

How many hours of daylight does Mission have in December?

The average day length in December in Mission is 10h and 32min.

When is the sunrise / sunset in December in Mission?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 5:40 pm. On the last day of the month, in Mission, Texas, sunrise is at 7:20 am and sunset at 5:52 pm CST.

What is the month with the least sunshine in Mission?

The month with the least sunshine in Mission is December, with an average of 5.6h of sunshine.

How many hours of sunshine does Mission have in December?

In December, the average sunshine duration in Mission, Texas, is 5.6h.

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

The month with the lowest UV index in Mission is December, with an average maximum UV index of 4.

What is the UV index reading in December in Mission?

In Mission, Texas, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mission, TX

Average temperature in December - Mission, TX
  • Average high temperature in December: 71.2°F

The warmest month (with the highest average high temperature) is August (99°F).
The month with the lowest average high temperature is January (69.4°F).

  • Average low temperature in December: 55.9°F

The month with the highest average low temperature is August (79.9°F).
The coldest month (with the lowest average low temperature) is January (53.2°F).

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Average pressure in December
Mission, TX

Average pressure in December - Mission, TX
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).

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Average wind speed in December
Mission, TX

Average wind speed in December - Mission, TX
  • Average wind speed in December: 9.5mph

The windiest months (with the highest average wind speed) are May and July (12.9mph).
The calmest month (with the lowest average wind speed) is September (9.3mph).

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Average humidity in December
Mission, TX

Average humidity in December - Mission, TX
  • Average humidity in December: 67%

The months with the highest relative humidity are May and December (67%).
The month with the lowest relative humidity is August (58%).

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Average rainfall in December
Mission, TX

Average rainfall in December - Mission, TX
  • Average rainfall in December: 0.12"

The wettest month (with the highest rainfall) is July (0.71").
The driest months (with the least rainfall) are February and December (0.12").

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Average rainfall days in December
Mission, TX

Average rainfall days in December - Mission, TX
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is September (11.3 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall days in December
Mission, TX

Average snowfall days in December - Mission, TX
  • Average snowfall days in December: 0 days

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Mission, TX
  • Average daylight in December: 10h and 32min

The month with the longest days is June (Average daylight: 13h and 46min).
The month with the shortest days is December (Average daylight: 10h and 32min).

  • Average sunshine in December: 5h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Mission, TX

Average sunshine days in December - Mission, TX
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is March (24.9 days).
The month with the least sunshine days is September (15.6 days).

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Average UV index in December
Mission, TX

Average UV index in December - Mission, TX
  • Average UV index in December: 4

The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in December
Mission, TX

Average cloud cover in December - Mission, TX
  • Average cloud cover in December: 38

The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in December
Mission, TX

Average visibility in December - Mission, 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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