Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a refreshing 60.6°F (15.9°C) to a fresh 52.3°F (11.3°C). Nighttime temperature in Grapevine lowers to an average of 38.3°F (3.5°C) in December.Humidity
In Grapevine, the average relative humidity in December is 78%.Rainfall
In Grapevine, during December, the rain falls for 11.6 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Grapevine, during the entire year, the rain falls for 151.8 days and collects up to 34.96" (888mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Grapevine, there are 3.8 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
December has the shortest days of the year in Grapevine, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:59 pm. On the last day of December, in Grapevine, sunrise is at 7:14 am and sunset at 5:10 pm CST.
Sunshine
In December, the average sunshine in Grapevine is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Grapevine. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Grapevine?
What is the average humidity in December in Grapevine?
How much does it rain in Grapevine in December?
When does it start snowing in Grapevine?
What is the month with the shortest days in Grapevine?
How many hours of daylight does Grapevine have in December?
When are sunrise and sunset in December in Grapevine?
How long on average sun shines in December in Grapevine?
What is the month with the lowest UV index in Grapevine?
What is the UV index intensity in December in Grapevine?
Average temperature in December
Grapevine, AR
- Average high temperature in December: 52.3°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (50°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Grapevine, AR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Grapevine, AR
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are March and April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Grapevine, AR
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Grapevine, AR
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Grapevine, AR
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Grapevine, AR
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Grapevine, AR
- Average snowfall days in December: 0.6 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grapevine, AR
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Grapevine, AR
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Grapevine, AR
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Grapevine, AR
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Grapevine, AR
- 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).
Grapevine, Arkansas, USA
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