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 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
The onset of December brings a small shift in high-temperatures, falling from a moderately hot 76.3°F (24.6°C) in November to a pleasant 70.7°F (21.5°C). In Brownsville, an average nighttime temperature of 59.9°F (15.5°C) is expected during December.Humidity
The months with the highest humidity in Brownsville are February, May and December, with an average relative humidity of 74%.Rainfall
In Brownsville, during December, the rain falls for 8.9 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Brownsville, there are 114 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Daylight
With an average of 10h and 36min of daylight, December has the shortest days of the year in Brownsville.On the first day of the month, sunrise is at 7:00 am and sunset at 5:38 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:49 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.9h of sunshine.UV index
With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 4 in December transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the temperature in December in Brownsville?
What is the most humid month in Brownsville?
What is the average humidity in December in Brownsville?
How many days does it rain in December in Brownsville?
What is the month with the shortest days in Brownsville?
What is the average length of the day in December in Brownsville?
When are sunrise and sunset in December in Brownsville?
What is the month with the least sunshine in Brownsville?
How many hours of sunshine does Brownsville have in December?
When is the lowest UV index in Brownsville?
What is the UV index intensity in December in Brownsville?
Average temperature in December
Brownsville, TX
- Average high temperature in December: 70.7°F
The warmest month (with the highest average high temperature) is August (93.2°F).
The month with the lowest average high temperature is January (68.9°F).
- Average low temperature in December: 59.9°F
The month with the highest average low temperature is August (80.8°F).
The coldest month (with the lowest average low temperature) is January (57°F).
Average pressure in December
Brownsville, TX
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in December
Brownsville, TX
- Average wind speed in December: 11.4mph
The windiest months (with the highest average wind speed) are March and April (12.8mph).
The calmest month (with the lowest average wind speed) is September (9.3mph).
Average humidity in December
Brownsville, TX
- Average humidity in December: 74%
The months with the highest relative humidity are February, May and December (74%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Brownsville, TX
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is September (1.81").
The driest months (with the least rainfall) are February and April (0.39").
Average rainfall days in December
Brownsville, TX
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is February (6.9 days).
Average daylight in December /
Average sunshine in December
Brownsville, TX
- Average daylight in December: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Brownsville, TX
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is March (21.1 days).
The month with the least sunshine days is September (12.8 days).
Average UV index in December
Brownsville, TX
- Average UV index in December: 4
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Brownsville, TX
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Brownsville, 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).
Brownsville, Texas, USA
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