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
Stepping into December, Houston records an average high-temperature of a still freezing cold 19.4°F (-7°C), almost consistent with November. An average nighttime temperature of 11.5°F (-11.4°C) marks December.Humidity
The average relative humidity in December is 86%.Rainfall
In Houston, in December, it is raining for 7.3 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 134.1 rainfall days, and 13.86" (352mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 11.4 days and typically aggregates up to 5.87" (149mm) of snow.Daylight
The month with the shortest days in Houston is December, with an average of 5h and 30min of daylight.On the first day of the month, sunrise is at 9:50 am and sunset at 3:46 pm. On the last day of December, in Houston, sunrise is at 10:17 am and sunset at 3:47 pm AKST.
Sunshine
The month with the least sunshine in Houston is December, with an average of 3.7h of sunshine.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Houston?
What is the average humidity in December in Houston?
How many days does it rain in December in Houston?
When does it snow the most in Houston?
How much does it snow in Houston in December?
What is the month with the shortest days in Houston?
How many hours of daylight does Houston have in December?
What time are sunrise and sunset in December in Houston?
What is the month with the least sunshine in Houston?
How long on average sun shines in December in Houston?
When is the lowest UV index in Houston?
What is the UV index intensity in December in Houston?
Average temperature in December
Houston, AK
- Average high temperature in December: 19.4°F
The warmest month (with the highest average high temperature) is July (67.6°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in December: 11.5°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in December
Houston, AK
- Average pressure in December: 29.7"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).
Average wind speed in December
Houston, AK
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is November (5.1mph).
The calmest month (with the lowest average wind speed) is April (4.3mph).
Average humidity in December
Houston, AK
- Average humidity in December: 86%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is May (61%).
Average rainfall in December
Houston, AK
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is September (2.13").
The driest month (with the least rainfall) is April (0.63").
Average rainfall days in December
Houston, AK
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Houston, AK
- Average snowfall in December: 5.87"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Houston, AK
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Houston, AK
- Average daylight in December: 5h and 3min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Houston, AK
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in December
Houston, AK
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Houston, AK
- Average cloud cover in December: 47
The months with the most cloud cover are April and August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 40).
Average visibility in December
Houston, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).
Houston, Alaska, USA
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