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 witnesses a gentle descent in average high-temperature, descending from November's pleasant 70.9°F (21.6°C) to a refreshing 64°F (17.8°C). Throughout December, Bay City registers a consistent average low-temperature of 50.5°F (10.3°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Bay City, in December, it is raining for 14.5 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 167.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.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 7:00 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:17 am and sunset at 5:37 pm CST.
Sunshine
With an average of 4.5h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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 it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Bay City have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Bay City have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Bay City, TX
- Average high temperature in December: 64°F
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (61.9°F).
- Average low temperature in December: 50.5°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in December
Bay City, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Bay City, TX
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in December
Bay City, TX
- Average humidity in December: 77%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Bay City, TX
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is September (3.94").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in December
Bay City, TX
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is September (18.7 days).
The month with the least rainy days is January (11.9 days).
Average snowfall in December
Bay City, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Bay City, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Bay City, TX
- Average daylight in December: 10h and 2min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in December
Bay City, TX
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (9.5 days).
Average UV index in December
Bay City, 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
Bay City, TX
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Bay City, 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).
Bay City, Texas, USA
Weather forecast for your location
2. Allow the app to use your location