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 arrival of December suggests a slight decrease in the average high-temperature, moving from a frosty 46.9°F (8.3°C) in November to an icy 38.3°F (3.5°C). Throughout the month of December, Loch Lynn Heights reports a steady low-temperature average of 26.8°F (-2.9°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In Loch Lynn Heights, during December, the rain falls for 12.3 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Loch Lynn Heights, during the entire year, the rain falls for 185.9 days and collects up to 35.16" (893mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Loch Lynn Heights, during December, snow falls for 13 days and regularly aggregates up to 6.22" (158mm) of snow. In Loch Lynn Heights, during the entire year, snow falls for 64.2 days and aggregates up to 35.2" (894mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:19 am and sunset at 4:54 pm. On the last day of December, in Loch Lynn Heights, Maryland, sunrise is at 7:37 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in December is 3.8h.UV index
The month with the lowest UV index in Loch Lynn Heights is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Loch Lynn Heights have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Loch Lynn Heights, MD
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Loch Lynn Heights, MD
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Loch Lynn Heights, MD
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Loch Lynn Heights, MD
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Loch Lynn Heights, MD
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Loch Lynn Heights, MD
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Loch Lynn Heights, MD
- Average snowfall in December: 6.22"
The month with the highest snowfall is February (7.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Loch Lynn Heights, MD
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Loch Lynn Heights, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Loch Lynn Heights, MD
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is May (6.9 days).
Average UV index in December
Loch Lynn Heights, MD
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Loch Lynn Heights, MD
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Loch Lynn Heights, MD
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Loch Lynn Heights, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location