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
December indicates a minor shift in the average high-temperature, from November's comfortable 64°F (17.8°C) to a cool 55.2°F (12.9°C). Rowlett experiences a consistent average temperature of 41.5°F (5.3°C) throughout the nights in December.Humidity
The average relative humidity in December in Rowlett is 71%.Rainfall
In Rowlett, Texas, in December, it is raining for 7.1 days, with typically 1.02" (26mm) of accumulated precipitation. In Rowlett, during the entire year, the rain falls for 120.2 days and collects up to 17.87" (454mm) of precipitation.Snowfall
March through December are months without snowfall in Rowlett.Daylight
December has the shortest days of the year in Rowlett, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:19 pm. On the last day of December, 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.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 in December translates into these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average December temperature in Rowlett?
What is the average humidity in December in Rowlett?
How much does it rain in Rowlett in December?
When it does not snow in Rowlett?
Does it snow in Rowlett in December?
What is the month with the shortest days in Rowlett?
How many hours of daylight does Rowlett have in December?
When is the sunrise / sunset in December in Rowlett?
What is the month with the least sunshine in Rowlett?
How many hours of sunshine does Rowlett have in December?
When is the lowest UV index in Rowlett?
How high is the UV index in December in Rowlett?
Average temperature in December
Rowlett, TX
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is January (54.1°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 (38.8°F).
Average pressure in December
Rowlett, 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
Rowlett, TX
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are March and April (9.8mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in December
Rowlett, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Rowlett, TX
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Rowlett, TX
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is September (12.5 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Rowlett, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Rowlett, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rowlett, 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
Rowlett, TX
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is June (16.2 days).
Average UV index in December
Rowlett, TX
- Average UV index in December: 3
The months with the highest UV index are May, 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
Rowlett, TX
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Rowlett, 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).
Rowlett, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
