December weather forecast
Santo, TX

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Weather in December

December, the first month of the winter in Santo, is still a mild month, with an average temperature fluctuating between 39.7°F (4.3°C) and 55.8°F (13.2°C).

Temperature

Santo's transition into December involves a shift in temperature, receding from a comfortable 65.3°F (18.5°C) in November to a mild 55.8°F (13.2°C). In Santo, the expected average low-temperature for December is an icy 39.7°F (4.3°C).

Humidity

The average relative humidity in December in Santo is 65%.

Rainfall

The months with the least rainfall are January and December Rain falls for 7 days and accumulates 1.18" (30mm) of rain.

Snowfall

Months with snowfall are January through March, November and December. In Santo, Texas, in December, during 0.6 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, in Santo, there are 2.8 snowfall days, and 1.61" (41mm) of snow is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:17 am and sunset at 5:26 pm. On the last day of December, in Santo, sunrise is at 7:34 am and sunset at 5:37 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 6h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What is the average December temperature in Santo?

During December, Santo experiences an average high-temperature of 55.8°F (13.2°C) and a low-temperature of 39.7°F (4.3°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 95°F (35°C).

What is the average humidity in December in Santo?

In Santo, the average relative humidity in December is 65%.

What is the driest month in Santo?

The months with the least rainfall in Santo are January and December Rain falls for 7 days and accumulates 1.18" (30mm) of rain.

How many days does it rain in December in Santo?

In December, in Santo, the rain falls for 7 days. Throughout December, 1.18" (30mm) of precipitation is accumulated.

How many days does it snow in December in Santo?

In Santo, in December, during 0.6 snowfall days, 0.35" (9mm) of snow is typically accumulated.

What is the month with the shortest days in Santo?

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

How many hours of daylight does Santo have in December?

The average day length in December is 10h and 3min.

When is the sunrise / sunset in December in Santo?

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in Santo?

With an average of 6h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Santo?

The average sunshine duration in December in Santo is 6h.

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

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

How high is the UV index in December in Santo?

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
Santo, TX

Average temperature in December - Santo, TX
  • Average high temperature in December: 55.8°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.2°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is 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
Santo, TX

Average pressure in December - Santo, TX
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Santo, TX

Average wind speed in December - Santo, TX
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).

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Average humidity in December
Santo, TX

Average humidity in December - Santo, TX
  • Average humidity in December: 65%

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in December
Santo, TX

Average rainfall in December - Santo, TX
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is October (3.03").
The driest months (with the least rainfall) are January and December (1.18").

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Average rainfall days in December
Santo, TX

Average rainfall days in December - Santo, TX
  • Average rainfall days in December: 7 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in December
Santo, TX

Average snowfall in December - Santo, TX
  • Average snowfall in December: 0.35"

The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Santo, TX

Average snowfall days in December - Santo, TX
  • Average snowfall days in December: 0.6 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
Santo, TX

Average daylight in December / Average sunshine in December - Santo, 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: 6h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in December
Santo, TX

Average sunshine days in December - Santo, TX
  • Average sunshine days in December: 21.6 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (16 days).

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Average UV index in December
Santo, TX

Average UV index in December - Santo, 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
Santo, TX

Average cloud cover in December - Santo, TX
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in December
Santo, TX

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

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