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 average high-temperature shows a slight dip in December, from November's pleasant 68.4°F (20.2°C) to a refreshing 60.1°F (15.6°C). During December, Washington records an average temperature of 45.5°F (7.5°C) at night.Humidity
In December, the average relative humidity in Washington is 76%.Rainfall
In Washington, during December, the rain falls for 12.7 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Washington, during the entire year, the rain falls for 163.6 days and collects up to 30.71" (780mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Washington, Texas. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Washington, there are 0.8 snowfall days, and 0.31" (8mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December in Washington, sunrise is at 7:04 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:34 pm CST.
Sunshine
December has the least sunshine of the year in Washington, with an average of 5.1h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index in Washington. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Washington in December?
What is the average humidity in December in Washington?
How many days does it rain in December in Washington?
When does it start to snow in Washington?
What is the month with the shortest days in Washington?
What is the average length of the day in December in Washington?
What time are sunrise and sunset in December in Washington?
What is the month with the least sunshine in Washington?
How long on average sun shines in December in Washington?
What is the month with the lowest UV index in Washington?
What is the UV index intensity in December in Washington?
Average temperature in December
Washington, TX
- Average high temperature in December: 60.1°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in December: 45.5°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in December
Washington, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Washington, TX
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Washington, TX
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Washington, TX
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in December
Washington, TX
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is September (16.5 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in December
Washington, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Washington, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Washington, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Washington, TX
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Washington, TX
- Average UV index in December: 3
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 3).
Average cloud cover in December
Washington, TX
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Washington, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May, June and July (5mi).
Washington, Texas, USA
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