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
December is characterized by a mild reduction in the average high-temperature, from a fresh 54.3°F (12.4°C) in November to a chilly 46.2°F (7.9°C). In December, the temperature in Highland Acres drops to an average of 35.6°F (2°C) at night.Humidity
In Highland Acres, the average relative humidity in December is 76%.Rainfall
In Highland Acres, in December, during 10.5 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Highland Acres, during the entire year, the rain falls for 152.3 days and collects up to 26.3" (668mm) of precipitation.Snowfall
January through March and December are months with snowfall in Highland Acres, Delaware. December is the first month it typically snows. Throughout December, in the average 1.7 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, in Highland Acres, there are 10.1 snowfall days, and 4.61" (117mm) of snow is accumulated.Daylight
The month with the shortest days in Highland Acres, Delaware, is December, with an average of 9h and 30min of daylight.On the first day of December in Highland Acres, sunrise is at 7:02 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:49 pm EST.
Sunshine
In December, the average sunshine in Highland Acres is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Highland Acres. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the usual temperature for Highland Acres in December?
What is the average humidity in December in Highland Acres?
How many days does it rain in December in Highland Acres?
When does it start snowing in Highland Acres?
What is the month with the shortest days in Highland Acres?
What is the average length of the day in December in Highland Acres?
When are sunrise and sunset in December in Highland Acres?
How many hours of sunshine does Highland Acres have in December?
What is the month with the lowest UV index in Highland Acres?
What is the UV index reading in December in Highland Acres?
Average temperature in December
Highland Acres, DE
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Highland Acres, 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
Highland Acres, DE
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Highland Acres, DE
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in December
Highland Acres, DE
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Highland Acres, DE
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Highland Acres, DE
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Highland Acres, DE
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.5 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
Highland Acres, 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
Highland Acres, DE
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Highland Acres, 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
Highland Acres, 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 28).
Average visibility in December
Highland Acres, 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).
Highland Acres, Delaware, USA
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