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 coldest temperatures occur during December, when averages reach a peak of 56.1°F (13.4°C) and a low of 39.2°F (4°C).Humidity
The average relative humidity in December is 59%.Rainfall
In Fort Griffin, in December, during 5.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 98.6 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Fort Griffin, during December, snow falls for 1 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 4.2 snowfall days, and 3.11" (79mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 5:30 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:40 pm CST.
Sunshine
With an average of 6.3h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Fort Griffin?
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Fort Griffin have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Fort Griffin have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Fort Griffin?
Average temperature in December
Fort Griffin, TX
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in December: 39.2°F
The months with the highest average low temperature are July and August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in December
Fort Griffin, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Fort Griffin, TX
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is September (8.8mph).
Average humidity in December
Fort Griffin, TX
- Average humidity in December: 59%
The month with the highest relative humidity is May (61%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Fort Griffin, TX
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in December
Fort Griffin, TX
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is September (12.1 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in December
Fort Griffin, TX
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Fort Griffin, TX
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (1.7 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
Fort Griffin, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Fort Griffin, TX
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in December
Fort Griffin, TX
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Fort Griffin, TX
- Average cloud cover in December: 27
The month with the most cloud cover is March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Fort Griffin, 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).
Fort Griffin, Texas, USA
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