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
With December's arrival, Arcadia's weather changes as the average high-temperature falls from a frosty 46.2°F (7.9°C) in November to an icy 36.5°F (2.5°C). Throughout December, the average low-temperature in Arcadia, Pennsylvania, records at a freezing cold 26.4°F (-3.1°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In December, the rain falls for 7.2 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. In Arcadia, during the entire year, the rain falls for 121.6 days and collects up to 10.75" (273mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Arcadia, it is snowing for 9.2 days. Throughout December, 2.01" (51mm) of snow is accumulated. In Arcadia, during the entire year, snow falls for 49.1 days and aggregates up to 10.43" (265mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:20 am and sunset at 4:48 pm. On the last day of December, in Arcadia, Pennsylvania, sunrise is at 7:39 am and sunset at 4:57 pm EST.
Sunshine
In Arcadia, the average sunshine in December is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Arcadia, Pennsylvania. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Arcadia?
What is the average humidity in December in Arcadia?
How many days does it rain in December in Arcadia?
How many days does it snow in December in Arcadia?
What is the month with the shortest days in Arcadia?
What is the average length of the day in December in Arcadia?
When is the sunrise / sunset in December in Arcadia?
How long on average sun shines in December in Arcadia?
When is the lowest UV index in Arcadia?
How high is the UV index in December in Arcadia?
Average temperature in December
Arcadia, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Arcadia, 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
Arcadia, PA
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Arcadia, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in December
Arcadia, PA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Arcadia, PA
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Arcadia, PA
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Arcadia, PA
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arcadia, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Arcadia, PA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Arcadia, 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
Arcadia, PA
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Arcadia, 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).
Arcadia, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
