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 aligns with a soft reduction in the average high-temperature, gently falling from a cool 53.1°F (11.7°C) in November to a chilly 44.2°F (6.8°C). December nights in Peter Harmond Acres experience a consistent temperature drop to a wintry 32.9°F (0.5°C).Humidity
In Peter Harmond Acres, Maryland, the average relative humidity in December is 76%.Rainfall
In Peter Harmond Acres, Maryland, in December, during 10.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Peter Harmond Acres, during the entire year, the rain falls for 159.3 days and collects up to 30.31" (770mm) of precipitation.Snowfall
Months with snowfall in Peter Harmond Acres are January through March, November and December. In Peter Harmond Acres, in December, during 2.9 snowfall days, 1.14" (29mm) of snow is typically accumulated. In Peter Harmond Acres, during the entire year, snow falls for 15.9 days and aggregates up to 8.7" (221mm) of snow.Daylight
The month with the shortest days in Peter Harmond Acres, Maryland, 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 Peter Harmond Acres, sunrise is at 7:26 am and sunset at 4:54 pm EST.
Sunshine
In Peter Harmond Acres, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index in Peter Harmond Acres are January, February, November and December, with an average maximum UV index of 2. 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, the UV index of 2 transforms into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Peter Harmond Acres in December?
What is the average humidity in December in Peter Harmond Acres?
How many days does it rain in December in Peter Harmond Acres?
How many days does it snow in December in Peter Harmond Acres?
What is the month with the shortest days in Peter Harmond Acres?
How many hours of daylight does Peter Harmond Acres have in December?
When are sunrise and sunset in December in Peter Harmond Acres?
How long on average sun shines in December in Peter Harmond Acres?
What is the month with the lowest UV index in Peter Harmond Acres?
What is the UV index reading in December in Peter Harmond Acres?
Average temperature in December
Peter Harmond Acres, MD
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (85.8°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 (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Peter Harmond Acres, 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
Peter Harmond Acres, MD
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Peter Harmond Acres, MD
- Average humidity in December: 76%
The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in December
Peter Harmond Acres, MD
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Peter Harmond Acres, MD
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Peter Harmond Acres, MD
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Peter Harmond Acres, MD
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (4.6 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
Peter Harmond Acres, 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 months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in December
Peter Harmond Acres, MD
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Peter Harmond Acres, 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
Peter Harmond Acres, MD
- 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 29).
Average visibility in December
Peter Harmond Acres, 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).
Peter Harmond Acres, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location
