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
A minor decrease in the average high-temperature is observed during December, shifting from 64.2°F (17.9°C) in November to a still refreshing 55.4°F (13°C). Addison's average low-temperature in December is measured at a cold 41.7°F (5.4°C).Humidity
The average relative humidity in December is 68%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, in Addison, there are 142.4 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
January, February, November and December are months with snowfall. In Addison, Texas, in December, snow falls for 0.3 days, with typically accumulated 0.12" (3mm) of snow. In Addison, during the entire year, snow falls for 2.4 days and aggregates up to 0.94" (24mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December in Addison, sunrise is at 7:12 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:31 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 3 during December translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are December temperatures in Addison?
What is the average humidity in December in Addison?
How many days does it rain in December in Addison?
How much does it snow in Addison in December?
What is the month with the shortest days in Addison?
What is the average length of the day in December in Addison?
When is the sunrise / sunset in December in Addison?
What is the month with the least sunshine in Addison?
How long on average sun shines in December in Addison?
When is the lowest UV index in Addison?
What is the UV index reading in December in Addison?
Average temperature in December
Addison, TX
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in December: 41.7°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Addison, 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 (29.9"Hg).
Average wind speed in December
Addison, TX
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in December
Addison, TX
- Average humidity in December: 68%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Addison, TX
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is October (4.02").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Addison, TX
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Addison, TX
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Addison, TX
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.1 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
Addison, 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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Addison, TX
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is September (13.8 days).
Average UV index in December
Addison, TX
- Average UV index in December: 3
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 3).
Average cloud cover in December
Addison, TX
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Addison, 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).
Addison, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
