December weather forecast
Grandview, TX

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Weather in December

The first month of the winter, December, is also a moderate month in Grandview, Texas, with an average temperature ranging between max 56.3°F (13.5°C) and min 41.7°F (5.4°C).

Temperature

Grandview's weather in December involves a decrease in the average high-temperature, moving down from November's comfortable 65.3°F (18.5°C) to a still refreshing 56.3°F (13.5°C). The average temperature drops to an icy 41.7°F (5.4°C) during the night in the month of December.

Humidity

In December, the average relative humidity is 70%.

Rainfall

In Grandview, during December, the rain falls for 9.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Grandview, during the entire year, the rain falls for 141.2 days and collects up to 31.42" (798mm) of precipitation.

Snowfall

February, March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow. In Grandview, Texas, during the entire year, snow falls for 2.5 days and aggregates up to 0.87" (22mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 5:23 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:34 pm CST.

Sunshine

The month with the least sunshine in Grandview is December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

What is the usual temperature for Grandview in December?

In Grandview, in December, the average high-temperature is 56.3°F (13.5°C), and the average low-temperature is 41.7°F (5.4°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 96.8°F (36°C).

What is the average humidity in December?

In December, the average relative humidity is 70%.

How many days does it rain in December?

In Grandview, in December, it is raining for 9.5 days, with typically 1.89" (48mm) of accumulated precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Grandview?

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 December, the average day length is 10h and 5min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 5:23 pm. On the last day of the month, in Grandview, sunrise is at 7:29 am and sunset at 5:34 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.5h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December in Grandview is 5.5h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

How high is the UV index in December?

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 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
Grandview, TX

Average temperature in December - Grandview, TX
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (55.8°F).

  • Average low temperature in December: 41.7°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 (39.7°F).

Average pressure in December
Grandview, TX

Average pressure in December - Grandview, TX
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Grandview, TX

Average wind speed in December - Grandview, TX
  • Average wind speed in December: 9mph

The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

Average humidity in December
Grandview, TX

Average humidity in December - Grandview, TX
  • Average humidity in December: 70%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).

Average rainfall in December
Grandview, TX

Average rainfall in December - Grandview, TX
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is October (4.37").
The driest month (with the least rainfall) is November (1.65").

Average rainfall days in December
Grandview, TX

Average rainfall days in December - Grandview, TX
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is September (15.2 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in December
Grandview, TX

Average snowfall in December - Grandview, TX
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Grandview, TX

Average snowfall days in December - Grandview, TX
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Grandview, 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 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Grandview, TX

Average sunshine days in December - Grandview, TX
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is September (13.5 days).

Average UV index in December
Grandview, TX

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Grandview, TX

Average cloud cover in December - Grandview, TX
  • Average cloud cover in December: 38

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Grandview, TX

Average visibility in December - Grandview, 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).

Grandview, Texas, USA

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