December weather forecast
May, TX

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Weather in December

December, the first month of the winter in May, is still a mild month, with an average temperature varying between 40.5°F (4.7°C) and 58.1°F (14.5°C).

Temperature

May's coldest season falls during January and December, averaging a high-temperature of 58.1°F (14.5°C).

Humidity

In December, the average relative humidity is 62%.

Rainfall

In May, Texas, in December, it is raining for 6.7 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in May, there are 115.7 rainfall days, and 19.96" (507mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in May, Texas. December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 3.2 snowfall days, and 1.46" (37mm) of snow is accumulated.

Daylight

The month with the shortest days in May is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:18 am and sunset at 5:31 pm. On the last day of December, in May, sunrise is at 7:36 am and sunset at 5:42 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.9h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in May. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a regular UV index of 3 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What time of the year is the coldest in May?

The temperature in May, Texas, hits its lowest levels in January and December, recording an average high-temperature of 58.1°F (14.5°C).

What is the temperature in December in May?

In May, 58.1°F (14.5°C) is the average high-temperature and 40.5°F (4.7°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in December in May?

The average relative humidity in December in May, Texas, is 62%.

How much does it rain in May in December?

In May, during December, the rain falls for 6.7 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When does it start snowing in May?

December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 0.47" (12mm) of snow.

What is the month with the shortest days in May?

The month with the shortest days is December, with an average of 10h and 6min of daylight.

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

In December, the average day length in May, Texas, is 10h and 6min.

When are sunrise and sunset in December in May?

On the first day of December in May, Texas, sunrise is at 7:18 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:42 pm CST.

What is the month with the least sunshine in May?

With an average of 5.9h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does May have in December?

The average sunshine duration in December in May, Texas, is 5.9h.

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

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

What is the UV index intensity in December in May?

In May, Texas, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
May, TX

Average temperature in December - May, TX
  • Average high temperature in December: 58.1°F

The warmest month (with the highest average high temperature) is August (95.7°F).
The months with the lowest average high temperature are January and December (58.1°F).

  • Average low temperature in December: 40.5°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 (39°F).

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Average pressure in December
May, TX

Average pressure in December - May, 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 (29.88"Hg).

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Average wind speed in December
May, TX

Average wind speed in December - May, TX
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).

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Average humidity in December
May, TX

Average humidity in December - May, TX
  • Average humidity in December: 62%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (51%).

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Average rainfall in December
May, TX

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

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in December
May, TX

Average rainfall days in December - May, TX
  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in December
May, TX

Average snowfall in December - May, TX
  • Average snowfall in December: 0.47"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
May, TX

Average snowfall days in December - May, TX
  • Average snowfall days in December: 1 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
May, TX

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in December
May, TX

Average sunshine days in December - May, TX
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (13.4 days).

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Average UV index in December
May, TX

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

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
May, TX

Average cloud cover in December - May, TX
  • Average cloud cover in December: 31

The months with the most cloud cover are March and May (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in December
May, TX

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

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