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 onset of December introduces a moderate change in Rohrersville's weather, with average high-temperatures falling from November's cool 51.6°F (10.9°C) to a wintry 42.3°F (5.7°C). The average low-temperature, in December, in Rohrersville, is a subzero cold 30.2°F (-1°C).Humidity
May, October and December, with an average relative humidity of 79%, are the most humid months in Rohrersville.Rainfall
In December, in Rohrersville, the rain falls for 10.8 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Rohrersville, there are 162.4 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rohrersville are January through April, October through December. In Rohrersville, in December, during 4.5 snowfall days, 2.09" (53mm) of snow is typically accumulated. In Rohrersville, during the entire year, snow falls for 24.4 days and aggregates up to 14.29" (363mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Rohrersville.On the first day of the month, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:57 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
Is it cold in Rohrersville during December?
What is the most humid month in Rohrersville?
What is the average humidity in December in Rohrersville?
How many days does it rain in December in Rohrersville?
How many days does it snow in December in Rohrersville?
What is the month with the shortest days in Rohrersville?
How many hours of daylight does Rohrersville have in December?
When are sunrise and sunset in December in Rohrersville?
How many hours of sunshine does Rohrersville have in December?
When is the lowest UV index in Rohrersville?
What is the UV index intensity in December in Rohrersville?
Average temperature in December
Rohrersville, MD
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Rohrersville, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Rohrersville, MD
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Rohrersville, MD
- Average humidity in December: 79%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
Rohrersville, MD
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Rohrersville, MD
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Rohrersville, MD
- Average snowfall in December: 2.09"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Rohrersville, MD
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rohrersville, MD
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Rohrersville, MD
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).
Average UV index in December
Rohrersville, MD
- 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, November and December (UV index 2).
Average cloud cover in December
Rohrersville, MD
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Rohrersville, MD
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Rohrersville, Maryland, USA
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