December weather forecast
Merit, TX

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Weather in December

December, the first month of the winter in Merit, is still a cool month, with an average temperature ranging between min 40.3°F (4.6°C) and max 54.7°F (12.6°C).

Temperature

As Merit enters December, the average high-temperature subtly lowers from the a comfortable 63.5°F (17.5°C) of November to a fresh 54.7°F (12.6°C). In Merit, an average temperature of 40.3°F (4.6°C) is noted during December nights.

Humidity

In December, the average relative humidity is 72%.

Rainfall

In December, the rain falls for 9.5 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Merit, there are 146.8 rainfall days, and 33.78" (858mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Merit are January, February, November and December. In Merit, in December, during 0.2 snowfall days, 0.12" (3mm) of snow is typically accumulated. Throughout the year, there are 2.6 snowfall days, and 1.22" (31mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Merit, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:28 pm CST.

Sunshine

December has the least sunshine of the year in Merit, Texas, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the temperature in December in Merit?

The high-temperature, in December, in Merit, is 54.7°F (12.6°C), while the low-temperature averages to 40.3°F (4.6°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is appraised at 95°F (35°C).

What is the average humidity in December in Merit?

In Merit, Texas, the average relative humidity in December is 72%.

How many days does it rain in December in Merit?

In Merit, in December, during 9.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How much does it snow in Merit in December?

In Merit, in December, during 0.2 snowfall days, 0.12" (3mm) of snow is typically accumulated.

What is the month with the shortest days in Merit?

The month with the shortest days in Merit, Texas, is December, with an average of 10h and 0min of daylight.

How many hours of daylight does Merit have in December?

In Merit, the average day length in December is 10h and 0min.

When are sunrise and sunset in December in Merit?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 5:17 pm. On the last day of the month, in Merit, sunrise is at 7:28 am and sunset at 5:28 pm CST.

What is the month with the least sunshine in Merit?

December has the least sunshine of the year in Merit, with an average of 5.5h of sunshine.

How long on average sun shines in December in Merit?

In December, the average sunshine duration is 5.5h.

What are the months with the lowest UV index in Merit?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Merit?

In Merit, 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 unsafe exposure to Sun's UV rays.
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
Merit, TX

Average temperature in December - Merit, TX
  • Average high temperature in December: 54.7°F

The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in December: 40.3°F

The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in December
Merit, TX

Average pressure in December - Merit, TX
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Merit, TX

Average wind speed in December - Merit, TX
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).

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Average humidity in December
Merit, TX

Average humidity in December - Merit, TX
  • Average humidity in December: 72%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in December
Merit, TX

Average rainfall in December - Merit, TX
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in December
Merit, TX

Average rainfall days in December - Merit, TX
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Merit, TX

Average snowfall in December - Merit, TX
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.75").
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
Merit, TX

Average snowfall days in December - Merit, TX
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Merit, TX
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Merit, TX

Average sunshine days in December - Merit, TX
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is January (21.9 days).
The months with the least sunshine days are May and September (13.3 days).

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Average UV index in December
Merit, TX

Average UV index in December - Merit, TX
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in December
Merit, TX

Average cloud cover in December - Merit, TX
  • Average cloud cover in December: 39

The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in December
Merit, TX

Average visibility in December - Merit, 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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Merit, Texas, USA

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