December weather forecast
Idalou, TX

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Weather in December

The first month of the winter, December, is also a fresh month in Idalou, Texas, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 52.5°F (11.4°C).

Temperature

December is the month when Idalou, Texas, sees the lowest average temperatures, with a high of 52.5°F (11.4°C) and a low of 34.5°F (1.4°C).

Humidity

In December, the average relative humidity in Idalou is 53%.

Rainfall

In Idalou, in December, during 4.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Idalou, Texas, during the entire year, the rain falls for 85.6 days and collects up to 13.98" (355mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 2.2 days. Throughout December, 1.14" (29mm) of snow is accumulated. In Idalou, during the entire year, snow falls for 8.5 days and aggregates up to 4.65" (118mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:33 am and sunset at 5:38 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:48 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 6.8h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What time of the year is the coldest in Idalou?

With average high temperatures of 52.5°F (11.4°C) and lows of 34.5°F (1.4°C), December is the coldest month.

What is the temperature in December in Idalou?

The average high-temperature and low-temperature during December are 52.5°F (11.4°C) and 34.5°F (1.4°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 86°F (30°C).

What is the average humidity in December in Idalou?

The average relative humidity in December is 53%.

How much does it rain in Idalou in December?

In Idalou, in December, during 4.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

How many days does it snow in December in Idalou?

In December, it is snowing for 2.2 days. Throughout December, 1.14" (29mm) of snow is accumulated.

What is the month with the shortest days in Idalou?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Idalou.

How many hours of daylight does Idalou have in December?

In December, the average day length in Idalou, Texas, is 9h and 58min.

When are sunrise and sunset in December in Idalou?

On the first day of December in Idalou, Texas, sunrise is at 7:33 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:48 pm CST.

What is the month with the least sunshine in Idalou?

December has the least sunshine of the year in Idalou, Texas, with an average of 6.8h of sunshine.

How many hours of sunshine does Idalou have in December?

The average sunshine duration in December in Idalou is 6.8h.

When is the lowest UV index in Idalou?

The month with the lowest UV index in Idalou, Texas, is December, with an average maximum UV index of 2.

What is the UV index reading in December in Idalou?

In December, the average daily maximum UV index in Idalou is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Idalou, TX

Average temperature in December - Idalou, TX
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (52.5°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).

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Average pressure in December
Idalou, TX

Average pressure in December - Idalou, TX
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Idalou, TX

Average wind speed in December - Idalou, TX
  • Average wind speed in December: 10.7mph

The windiest month (with the highest average wind speed) is April (13.2mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

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Average humidity in December
Idalou, TX

Average humidity in December - Idalou, TX
  • Average humidity in December: 53%

The month with the highest relative humidity is September (58%).
The month with the lowest relative humidity is April (40%).

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Average rainfall in December
Idalou, TX

Average rainfall in December - Idalou, TX
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is September (2.32").
The driest month (with the least rainfall) is February (0.35").

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Average rainfall days in December
Idalou, TX

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

The month with the highest number of rainy days is September (12.3 days).
The months with the least rainy days are February and November (3.2 days).

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Average snowfall in December
Idalou, TX

Average snowfall in December - Idalou, TX
  • Average snowfall in December: 1.14"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Idalou, TX

Average snowfall days in December - Idalou, TX
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Idalou, TX

Average sunshine days in December - Idalou, TX
  • Average sunshine days in December: 24.6 days

The month with the most sunshine days is January (27.2 days).
The month with the least sunshine days is September (15.4 days).

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Average UV index in December
Idalou, TX

Average UV index in December - Idalou, TX
  • Average UV index in December: 2

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 2).

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Average cloud cover in December
Idalou, TX

Average cloud cover in December - Idalou, TX
  • Average cloud cover in December: 23

The month with the most cloud cover is September (Cloud cover 24).
The months with the least cloud cover are June and August (Cloud cover 15).

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Average visibility in December
Idalou, TX

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

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