December weather forecast
Seguin, TX

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Weather in December

The first month of the winter, December, is also an enjoyable month in Seguin, Texas, with an average temperature ranging between min 46.4°F (8°C) and max 61.7°F (16.5°C).

Temperature

In December, the average high-temperature marginally drops from a pleasant 69.1°F (20.6°C) in November to an enjoyable 61.7°F (16.5°C). In Seguin, the December nights cool down to an average low of 46.4°F (8°C).

Humidity

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

Rainfall

In Seguin, Texas, during December, the rain falls for 10.8 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in Seguin, there are 147.1 rainfall days, and 21.26" (540mm) of precipitation is accumulated.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows in Seguin. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.8 snowfall days, and 0.2" (5mm) of snow is accumulated.

Daylight

The month with the shortest days in Seguin is December, with an average of 10h and 18min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:43 pm CST.

Sunshine

The month with the least sunshine in Seguin is December, with an average of 5h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the average December temperature in Seguin?

In December, in Seguin, the average high-temperature is 61.7°F (16.5°C), and the average low-temperature is 46.4°F (8°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 102.2°F (39°C).

What is the average humidity in December in Seguin?

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

How much does it rain in Seguin in December?

In Seguin, during December, the rain falls for 10.8 days and regularly aggregates up to 1.22" (31mm) of precipitation.

When does it start to snow in Seguin?

December is the first month it typically snows in Seguin, Texas. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Seguin?

December has the shortest days of the year, with an average of 10h and 18min of daylight.

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

In December, the average day length in Seguin, Texas, is 10h and 17min.

When are sunrise and sunset in December in Seguin?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:43 pm CST.

What is the month with the least sunshine in Seguin?

The month with the least sunshine in Seguin is December, with an average of 5h of sunshine.

How many hours of sunshine does Seguin have in December?

In December, the average sunshine duration in Seguin is 5h.

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

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

What is the UV index reading in December in Seguin?

In December, the average daily maximum UV index in Seguin is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Seguin, TX

Average temperature in December - Seguin, TX
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is January (60.6°F).

  • Average low temperature in December: 46.4°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).

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Average pressure in December
Seguin, TX

Average pressure in December - Seguin, 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 (29.9"Hg).

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Average wind speed in December
Seguin, TX

Average wind speed in December - Seguin, TX
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are February and March (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).

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Average humidity in December
Seguin, TX

Average humidity in December - Seguin, 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 (62%).

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Average rainfall in December
Seguin, TX

Average rainfall in December - Seguin, TX
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (0.71").

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Average rainfall days in December
Seguin, TX

Average rainfall days in December - Seguin, TX
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in December
Seguin, TX

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

The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Seguin, TX

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

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Seguin, TX
  • Average daylight in December: 10h and 2min

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

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
Seguin, TX

Average sunshine days in December - Seguin, TX
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in December
Seguin, TX

Average UV index in December - Seguin, 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
Seguin, TX

Average cloud cover in December - Seguin, TX
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in December
Seguin, TX

Average visibility in December - Seguin, TX
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, July, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May and June (5mi).

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Seguin, Texas, USA

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