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 marks a gentle change in average high-temperature, declining from November's fresh 53.1°F (11.7°C) to a frosty 44.1°F (6.7°C). Autumn Hill's nighttime temperature during December is consistently averaged at an icy 32.9°F (0.5°C).Humidity
In Autumn Hill, the average relative humidity in December is 76%.Rainfall
In December, in Autumn Hill, the rain falls for 11.8 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 165.5 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Autumn Hill. In Autumn Hill, in December, during 2.9 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 16.6 snowfall days, and 7.8" (198mm) of snow is accumulated.Daylight
The month with the shortest days in Autumn Hill is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of December, in Autumn Hill, Maryland, sunrise is at 7:26 am and sunset at 4:54 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is December in Autumn Hill?
What is the average humidity in December in Autumn Hill?
How much does it rain in Autumn Hill in December?
How many days does it snow in December in Autumn Hill?
What is the month with the shortest days in Autumn Hill?
How many hours of daylight does Autumn Hill have in December?
When is the sunrise / sunset in December in Autumn Hill?
How many hours of sunshine does Autumn Hill have in December?
What is the month with the lowest UV index in Autumn Hill?
What is the UV index reading in December in Autumn Hill?
Average temperature in December
Autumn Hill, MD
- Average high temperature in December: 44.1°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 (38.1°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
Autumn Hill, 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 (29.94"Hg).
Average wind speed in December
Autumn Hill, MD
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Autumn Hill, MD
- Average humidity in December: 76%
The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Autumn Hill, MD
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Autumn Hill, MD
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Autumn Hill, MD
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Autumn Hill, MD
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (4.9 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
Autumn Hill, MD
- 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
Autumn Hill, MD
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Autumn Hill, 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
Autumn Hill, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Autumn Hill, MD
- 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).
Autumn Hill, Maryland, USA
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