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 transition to December results in a modest reduction in average high-temperature, moving from 63.9°F (17.7°C) in November to a still refreshing 55.4°F (13°C). Forney observes an average low-temperature of 41.5°F (5.3°C) during December nights.Humidity
In Forney, the average relative humidity in December is 72%.Rainfall
In Forney, in December, during 10.1 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, in Forney, there are 141.8 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in Forney, Texas.Daylight
December has the shortest days of the year in Forney, with an average of 10h and 0min of daylight.On the first day of December in Forney, sunrise is at 7:10 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:30 pm CST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Forney, Texas.UV index
The months with the lowest UV index in Forney are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. It's recommended to limit sun exposure when its radiation is at its peak during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Forney?
What is the average humidity in December in Forney?
How many days does it rain in December in Forney?
When it does not snow in Forney?
Does it snow in Forney in December?
What is the month with the shortest days in Forney?
How many hours of daylight does Forney have in December?
What time are sunrise and sunset in December in Forney?
What is the month with the least sunshine in Forney?
How many hours of sunshine does Forney have in December?
What are the months with the lowest UV index in Forney?
How high is the UV index in December in Forney?
Average temperature in December
Forney, TX
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Forney, 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
Forney, TX
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (9.6mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in December
Forney, TX
- Average humidity in December: 72%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Forney, TX
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is October (4.25").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Forney, TX
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Forney, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Forney, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Forney, 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: 5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Forney, TX
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is September (13.7 days).
Average UV index in December
Forney, 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
Forney, TX
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Forney, 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).
Forney, Texas, USA
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