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 commencement of December involves a temperature shift, with the average high-temperature dropping from a frosty 46.2°F (7.9°C) in November to a cold 36.9°F (2.7°C). During December, the average low-temperature in Silkworth is a freezing cold 25.9°F (-3.4°C).Humidity
The average relative humidity in December is 83%.Rainfall
In Silkworth, Pennsylvania, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Silkworth, Pennsylvania, during the entire year, the rain falls for 162.5 days and collects up to 30.35" (771mm) of precipitation.Snowfall
Months with snowfall in Silkworth are January through May, October through December. In Silkworth, during December, snow falls for 7.8 days and regularly aggregates up to 3.5" (89mm) of snow. In Silkworth, during the entire year, snow falls for 41.1 days and aggregates up to 21.38" (543mm) of snow.Daylight
December has the shortest days of the year in Silkworth, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:45 pm EST.
Sunshine
In December, the average sunshine is 3.8h.UV index
The month with the lowest UV index in Silkworth is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is December in Silkworth?
What is the average humidity in December in Silkworth?
How many days does it rain in December in Silkworth?
How many days does it snow in December in Silkworth?
What is the month with the shortest days in Silkworth?
What is the average length of the day in December in Silkworth?
When is the sunrise / sunset in December in Silkworth?
How long on average sun shines in December in Silkworth?
What is the month with the lowest UV index in Silkworth?
What is the UV index intensity in December in Silkworth?
Average temperature in December
Silkworth, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Silkworth, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Silkworth, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Silkworth, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Silkworth, PA
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").
Average rainfall days in December
Silkworth, PA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Silkworth, PA
- Average snowfall in December: 3.5"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Silkworth, PA
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Silkworth, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in December
Silkworth, PA
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in December
Silkworth, 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
Silkworth, PA
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Silkworth, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Silkworth, Pennsylvania, USA
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