December weather forecastBaytown, TX
December
Weather in December
December, the first month of the winter in Baytown, is also an enjoyable month, with an average temperature fluctuating between 62.4°F (16.9°C) and 50.7°F (10.4°C).Temperature
December's onset brings a negligible change in high-temperatures, falling from a pleasant 69.4°F (20.8°C) in November to a comfortable 62.4°F (16.9°C). Throughout December nights, Baytown experiences a consistent temperature average of 50.7°F (10.4°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Baytown, during December, the rain falls for 8.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Baytown, during the entire year, the rain falls for 139.2 days and collects up to 16.1" (409mm) of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Baytown, during the entire year, snow falls for 0.5 days.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:15 am and sunset at 5:31 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Baytown, TX
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in December: 50.7°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in December
Baytown, 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
Baytown, TX
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in December
Baytown, TX
- Average humidity in December: 78%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Baytown, TX
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is September (2.8").
The driest month (with the least rainfall) is March (0.47").
Average rainfall days in December
Baytown, TX
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is September (18.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall days in December
Baytown, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 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
Baytown, TX
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 4h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Baytown, TX
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is March (20.8 days).
The month with the least sunshine days is September (9.8 days).
Average UV index in December
Baytown, 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
Baytown, TX
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Baytown, 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).
