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
The arrival of December correlates with a minor temperature reduction, down from November's fresh 54.5°F (12.5°C) to a chilly 46.8°F (8.2°C). Nighttime temperature in Houston, Delaware, experiences an average drop to a cold 36.3°F (2.4°C) in December.Humidity
In Houston, the average relative humidity in December is 77%.Rainfall
In Houston, in December, during 10.2 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Houston, Delaware, there are 152.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
January through March, May, November and December are months with snowfall. In Houston, in December, snow falls for 1.7 days, with typically accumulated 0.83" (21mm) of snow. Throughout the year, in Houston, there are 10.4 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
December has the shortest days of the year in Houston, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
The months with the lowest UV index in Houston are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the usual temperature for Houston in December?
What is the average humidity in December in Houston?
How much does it rain in Houston in December?
How many days does it snow in December in Houston?
What is the month with the shortest days in Houston?
How many hours of daylight does Houston have in December?
When are sunrise and sunset in December in Houston?
How long on average sun shines in December in Houston?
What are the months with the lowest UV index in Houston?
How high is the UV index in December in Houston?
Average temperature in December
Houston, DE
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Houston, DE
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Houston, DE
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Houston, DE
- Average humidity in December: 77%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Houston, DE
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Houston, DE
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Houston, DE
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Houston, DE
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Houston, DE
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Houston, DE
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in December
Houston, DE
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Houston, DE
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Houston, DE
- 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, Delaware, USA
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