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 brings a slight decrease in the average high-temperature, shifting from an agreeable 69.3°F (20.7°C) in November to a comfortable 61.7°F (16.5°C). An average low-temperature of 47.3°F (8.5°C) is noted during the month of December.Humidity
In Dayton, the average relative humidity in December is 80%.Rainfall
In Dayton, during December, the rain falls for 12.2 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 177.5 rainfall days, and 38.46" (977mm) of precipitation is accumulated.Snowfall
January and December are months with snowfall. The months with the most snowfall are January and December, with an average 0.12" (3mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:15 am and sunset at 5:30 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
When does it start snowing in Dayton?
What is the month with the shortest days in Dayton?
How many hours of daylight does Dayton have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine in Dayton?
How many hours of sunshine does Dayton have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Dayton, TX
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (59.9°F).
- Average low temperature in December: 47.3°F
The month with the highest average low temperature is July (75.2°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Dayton, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Dayton, TX
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is September (5.1mph).
Average humidity in December
Dayton, TX
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Dayton, TX
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (5.24").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in December
Dayton, TX
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Dayton, TX
- Average snowfall in December: 0.12"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Dayton, TX
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and December (0.2 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
Dayton, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Dayton, TX
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is January (18.8 days).
The months with the least sunshine days are August and September (8.3 days).
Average UV index in December
Dayton, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Dayton, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are August and October (Cloud cover 31).
Average visibility in December
Dayton, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, June, August, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, July and September (5mi).
Dayton, Texas, USA
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