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 start of December comes with a small reduction in the average high-temperature, subtly receding from a moderate 59.9°F (15.5°C) in November to a cool 53.6°F (12°C). Eureka encounters a steady low-temperature average of 39.4°F (4.1°C) throughout the month of December.Humidity
The average relative humidity in December is 76%.Rainfall
In December, the rain falls for 10.3 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 156.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 4.5 snowfall days, and 2.32" (59mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:08 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
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 is the month with the least sunshine?
How long on average sun shines in December in Eureka?
What is the UV index reading in December?
Average temperature in December
Eureka, NC
- Average high temperature in December: 53.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Eureka, NC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Eureka, NC
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Eureka, NC
- Average humidity in December: 76%
The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Eureka, NC
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Eureka, NC
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Eureka, NC
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Eureka, NC
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.9 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
Eureka, NC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Eureka, NC
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Eureka, NC
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Eureka, NC
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Eureka, NC
- 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).
Eureka, North Carolina, USA
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