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
As December begins, there is a decrease in the average high-temperature, falling from an enjoyable 62.6°F (17°C) in November to a fresh 53.1°F (11.7°C). In Dorchester, the average low-temperature during the month of December is a wintry 39.2°F (4°C).Humidity
In Dorchester, the average relative humidity in December is 71%.Rainfall
In December, in Dorchester, the rain falls for 8.5 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. In Dorchester, Texas, during the entire year, the rain falls for 142.1 days and collects up to 32.64" (829mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Dorchester. In December, in Dorchester, it is snowing for 0.4 days. Throughout December, 0.12" (3mm) of snow is accumulated. Throughout the year, in Dorchester, there are 3.1 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Dorchester, Texas.On the first day of the month, sunrise is at 7:13 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:29 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Dorchester?
What is the average humidity in December in Dorchester?
How many days does it rain in December in Dorchester?
How many days does it snow in December in Dorchester?
What is the month with the shortest days in Dorchester?
How many hours of daylight does Dorchester have in December?
When is the sunrise / sunset in December in Dorchester?
What is the month with the least sunshine in Dorchester?
How many hours of sunshine does Dorchester have in December?
When is the lowest UV index in Dorchester?
How high is the UV index in December in Dorchester?
Average temperature in December
Dorchester, TX
- Average high temperature in December: 53.1°F
The warmest month (with the highest average high temperature) is August (93.9°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is July (74.3°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in December
Dorchester, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Dorchester, TX
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in December
Dorchester, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Dorchester, TX
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is October (4.21").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
Dorchester, TX
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Dorchester, TX
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Dorchester, TX
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Dorchester, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Dorchester, TX
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in December
Dorchester, TX
- Average UV index in December: 2
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 2).
Average cloud cover in December
Dorchester, TX
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Dorchester, 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).
Dorchester, Texas, USA
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