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
In December, the meteorological conditions change slightly, with the average high-temperature moving from a cool 55°F (12.8°C) in November to a chilly 47.8°F (8.8°C). An average nighttime temperature of 39.7°F (4.3°C) marks December.Humidity
In Fenwick Island, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 11.2 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 144.6 rainfall days, and 25.51" (648mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Fenwick Island, in December, during 1.7 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Fenwick Island, during the entire year, snow falls for 8.8 days and aggregates up to 2.48" (63mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Fenwick Island.On the first day of December in Fenwick Island, Delaware, sunrise is at 6:59 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:49 pm EST.
Sunshine
The months with the least sunshine in Fenwick Island are February and December, with an average of 5.1h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fenwick Island in December?
What is the average humidity in December in Fenwick Island?
How much does it rain in Fenwick Island in December?
How many days does it snow in December in Fenwick Island?
What is the month with the shortest days in Fenwick Island?
How many hours of daylight does Fenwick Island have in December?
When are sunrise and sunset in December in Fenwick Island?
What is the month with the least sunshine in Fenwick Island?
How long on average sun shines in December in Fenwick Island?
When is the lowest UV index in Fenwick Island?
How high is the UV index in December in Fenwick Island?
Average temperature in December
Fenwick Island, DE
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in December
Fenwick Island, 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
Fenwick Island, DE
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in December
Fenwick Island, DE
- Average humidity in December: 76%
The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Fenwick Island, DE
- Average rainfall in December: 1.69"
The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Fenwick Island, DE
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Fenwick Island, DE
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Fenwick Island, DE
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Fenwick Island, DE
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
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 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Fenwick Island, DE
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Fenwick Island, 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
Fenwick Island, DE
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Fenwick Island, 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).
Fenwick Island, Delaware, USA
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