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 beginning of December involves a decrease in the average high-temperature, transitioning from a chilly 45.7°F (7.6°C) in November to an icy 36.1°F (2.3°C). Throughout December, Sykesville encounters an average temperature drop to a subzero cold 25.5°F (-3.6°C).Humidity
The average relative humidity in December in Sykesville is 86%.Rainfall
In Sykesville, Pennsylvania, during December, the rain falls for 12.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, in Sykesville, there are 177 rainfall days, and 34.29" (871mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Sykesville, it is snowing for 16.5 days. Throughout December, 7.44" (189mm) of snow is accumulated. In Sykesville, during the entire year, snow falls for 79.7 days and aggregates up to 36.38" (924mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:57 pm EST.
Sunshine
In Sykesville, the average sunshine in December is 2.8h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 1 transforms into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Sykesville in December?
What is the average humidity in December in Sykesville?
How many days does it rain in December in Sykesville?
How much does it snow in Sykesville in December?
What is the month with the shortest days in Sykesville?
How many hours of daylight does Sykesville have in December?
What time are sunrise and sunset in December in Sykesville?
How long on average sun shines in December in Sykesville?
When is the lowest UV index in Sykesville?
How high is the UV index in December in Sykesville?
Average temperature in December
Sykesville, PA
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Sykesville, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Sykesville, PA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Sykesville, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in December
Sykesville, PA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Sykesville, PA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Sykesville, PA
- Average snowfall in December: 7.44"
The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sykesville, PA
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sykesville, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Sykesville, PA
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Sykesville, PA
- 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
Sykesville, PA
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Sykesville, PA
- Average visibility in December: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).
Sykesville, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
