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
A mild drop in Rehoboth Beach's average high-temperature is observed in December, transitioning from a fresh 54.5°F (12.5°C) in November to a chilly 47.3°F (8.5°C). Rehoboth Beach's nighttime average temperature in December drops marginally from the daytime highs, settling at a wintry 39.4°F (4.1°C).Humidity
In December, the average relative humidity is 75%.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Rehoboth Beach, during the entire year, the rain falls for 89.4 days and collects up to 6.18" (157mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Rehoboth Beach, Delaware. The months with the most snowfall are January and December, with an average 0.12" (3mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Rehoboth Beach, sunrise is at 7:00 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:48 pm EST.
Sunshine
The average sunshine in December is 5.3h.UV index
The months with the lowest UV index in Rehoboth Beach are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are December temperatures in Rehoboth Beach?
What is the average humidity in December in Rehoboth Beach?
How many days does it rain in December in Rehoboth Beach?
What is the snowiest month in Rehoboth Beach?
How many days does it snow in December in Rehoboth Beach?
What is the month with the shortest days in Rehoboth Beach?
What is the average length of the day in December in Rehoboth Beach?
When are sunrise and sunset in December in Rehoboth Beach?
How many hours of sunshine does Rehoboth Beach have in December?
When is the lowest UV index in Rehoboth Beach?
What is the UV index reading in December in Rehoboth Beach?
Average temperature in December
Rehoboth Beach, DE
- Average high temperature in December: 47.3°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 (41.4°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Rehoboth Beach, 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
Rehoboth Beach, DE
- Average wind speed in December: 12.6mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in December
Rehoboth Beach, DE
- Average humidity in December: 75%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Rehoboth Beach, DE
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is October (0.71").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Rehoboth Beach, DE
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in December
Rehoboth Beach, DE
- Average snowfall in December: 0.12"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Rehoboth Beach, DE
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (2.4 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
Rehoboth Beach, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Rehoboth Beach, DE
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (23.5 days).
The months with the least sunshine days are June and July (18.2 days).
Average UV index in December
Rehoboth Beach, 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, February and December (UV index 2).
Average cloud cover in December
Rehoboth Beach, DE
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in December
Rehoboth Beach, 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).
Rehoboth Beach, Delaware, USA
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