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
A subtle shift in Houston's weather is observed as November turns into December, with the average high temperature reducing from an enjoyable 61.3°F (16.3°C) to a cool 53.4°F (11.9°C). Throughout December, the temperature tends to fall to a consistent average low of 39.6°F (4.2°C).Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 80%.Rainfall
In Houston, in December, during 11.5 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 156.8 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.9 days. Throughout December, 0.28" (7mm) of snow is accumulated. Throughout the year, there are 4.7 snowfall days, and 1.22" (31mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:43 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:01 am and sunset at 4:57 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Houston in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine in Houston?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Houston, MS
- Average high temperature in December: 53.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Houston, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Houston, MS
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Houston, MS
- Average humidity in December: 80%
The months with the highest relative humidity are February, March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Houston, MS
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Houston, MS
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
Houston, MS
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Houston, MS
- Average snowfall days in December: 0.9 days
The months with the highest number of snowfall days are January and February (1.5 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
Houston, MS
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Houston, MS
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Houston, MS
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Houston, MS
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in December
Houston, MS
- 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).
Houston, Mississippi, USA
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