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 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
During the shift to December, Port Bolivar records a mild decrease in average high-temperature, moving from a pleasant 68.9°F (20.5°C) in November to an enjoyable 62.6°F (17°C). Port Bolivar's average nighttime temperature in December modestly descends to a fresh 54.9°F (12.7°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Port Bolivar, in December, during 13 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Port Bolivar, Texas, during the entire year, the rain falls for 161.9 days and collects up to 24.33" (618mm) of precipitation.Snowfall
In Port Bolivar, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 5:20 pm. On the last day of December, in Port Bolivar, Texas, sunrise is at 7:13 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
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the UV index of 4 transforms into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are December temperatures in Port Bolivar?
What is the average humidity in December in Port Bolivar?
How many days does it rain in December in Port Bolivar?
When it does not snow in Port Bolivar?
Does it snow in Port Bolivar in December?
What is the month with the shortest days in Port Bolivar?
How many hours of daylight does Port Bolivar have in December?
When are sunrise and sunset in December in Port Bolivar?
What is the month with the least sunshine in Port Bolivar?
How many hours of sunshine does Port Bolivar have in December?
What is the month with the lowest UV index in Port Bolivar?
What is the UV index intensity in December in Port Bolivar?
Average temperature in December
Port Bolivar, TX
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (59.7°F).
- Average low temperature in December: 54.9°F
The month with the highest average low temperature is August (81.9°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).
Average pressure in December
Port Bolivar, 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
Port Bolivar, TX
- Average wind speed in December: 12.1mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in December
Port Bolivar, TX
- Average humidity in December: 79%
The months with the highest relative humidity are February and March (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Port Bolivar, TX
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is September (4.29").
The driest months (with the least rainfall) are February and March (0.75").
Average rainfall days in December
Port Bolivar, TX
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is January (10.1 days).
Average snowfall days in December
Port Bolivar, TX
- Average snowfall days in December: 0 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, November and December (0 days).
Average daylight in December /
Average sunshine in December
Port Bolivar, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Port Bolivar, TX
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is January (18.2 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in December
Port Bolivar, TX
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Port Bolivar, TX
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and October (Cloud cover 26).
Average visibility in December
Port Bolivar, 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).
Port Bolivar, Texas, USA
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