December weather forecast
Merkel, TX

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Weather in December

December, the first month of the winter in Merkel, is also a moderate month, with an average temperature varying between 56.5°F (13.6°C) and 39.2°F (4°C).

Temperature

Merkel experiences its lowest average temperatures in December, reaching a peak of 56.5°F (13.6°C) and a minimum of 39.2°F (4°C).

Humidity

In Merkel, Texas, the average relative humidity in December is 56%.

Rainfall

In Merkel, in December, during 4.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Merkel, during the entire year, the rain falls for 87.9 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

January through March, October through December are months with snowfall in Merkel. In Merkel, in December, during 1.6 snowfall days, 0.98" (25mm) of snow is typically accumulated. In Merkel, Texas, during the entire year, snow falls for 6.3 days and aggregates up to 4.25" (108mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of December in Merkel, sunrise is at 7:24 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:45 pm CST.

Sunshine

With an average of 6.4h of sunshine, December has the least sunshine of the year in Merkel, Texas.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Merkel. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and 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 month is the coldest in Merkel?

Temperature records mark December as the coldest month, with highs averaging 56.5°F (13.6°C) and lows at 39.2°F (4°C).

What is the temperature in December in Merkel?

The average high-temperature and low-temperature in Merkel, Texas, during December are 56.5°F (13.6°C) and 39.2°F (4°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 91.4°F (33°C).

What is the average humidity in December in Merkel?

In December, the average relative humidity is 56%.

How many days does it rain in December in Merkel?

In Merkel, in December, it is raining for 4.5 days, with typically 0.91" (23mm) of accumulated precipitation.

How much does it snow in Merkel in December?

In December, it is snowing for 1.6 days. Throughout December, 0.98" (25mm) of snow is accumulated.

What is the month with the shortest days in Merkel?

With an average of 10h and 6min of daylight, December has the shortest days of the year in Merkel.

What is the average length of the day in December in Merkel?

In Merkel, Texas, the average day length in December is 10h and 4min.

What time are sunrise and sunset in December in Merkel?

On the first day of December, sunrise is at 7:24 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:45 pm CST.

What is the month with the least sunshine in Merkel?

December has the least sunshine of the year, with an average of 6.4h of sunshine.

How many hours of sunshine does Merkel have in December?

In Merkel, Texas, the average sunshine duration in December is 6.4h.

When is the lowest UV index in Merkel?

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

How high is the UV index in December in Merkel?

In Merkel, Texas, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Merkel, TX

Average temperature in December - Merkel, TX
  • Average high temperature in December: 56.5°F

The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in December: 39.2°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).

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Average pressure in December
Merkel, TX

Average pressure in December - Merkel, 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 (29.86"Hg).

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Average wind speed in December
Merkel, TX

Average wind speed in December - Merkel, TX
  • Average wind speed in December: 11.2mph

The windiest month (with the highest average wind speed) is April (14.4mph).
The calmest month (with the lowest average wind speed) is September (10.2mph).

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Average humidity in December
Merkel, TX

Average humidity in December - Merkel, TX
  • Average humidity in December: 56%

The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in December
Merkel, TX

Average rainfall in December - Merkel, TX
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is September (2.2").
The driest months (with the least rainfall) are January and February (0.67").

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Average rainfall days in December
Merkel, TX

Average rainfall days in December - Merkel, TX
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is January (3.4 days).

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Average snowfall in December
Merkel, TX

Average snowfall in December - Merkel, TX
  • Average snowfall in December: 0.98"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in December
Merkel, TX

Average snowfall days in December - Merkel, TX
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Merkel, TX
  • Average daylight in December: 10h and 1min

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 6min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in December
Merkel, TX

Average sunshine days in December - Merkel, TX
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (16.3 days).

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Average UV index in December
Merkel, TX

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

The months with the highest UV index are May, 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
Merkel, TX

Average cloud cover in December - Merkel, TX
  • Average cloud cover in December: 26

The month with the most cloud cover is March (Cloud cover 27).
The months with the least cloud cover are June and August (Cloud cover 18).

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Average visibility in December
Merkel, TX

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

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