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
Hummels Wharf's average high-temperature decreases in December, falling from a frosty 48.4°F (9.1°C) in November to an icy 39°F (3.9°C). Hummels Wharf's nights in December experience an average temperature drop to a subzero cold 28°F (-2.2°C).Humidity
In Hummels Wharf, Pennsylvania, the average relative humidity in December is 81%.Rainfall
In Hummels Wharf, during December, the rain falls for 11.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Hummels Wharf, there are 165.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hummels Wharf. In Hummels Wharf, during December, snow falls for 7 days and regularly aggregates up to 1.97" (50mm) of snow. Throughout the year, in Hummels Wharf, there are 38.1 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Hummels Wharf, sunrise is at 7:12 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:49 pm EST.
Sunshine
In Hummels Wharf, the average sunshine in December is 4.4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hummels Wharf. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in Hummels Wharf in December?
What is the average humidity in December in Hummels Wharf?
How many days does it rain in December in Hummels Wharf?
How many days does it snow in December in Hummels Wharf?
What is the month with the shortest days in Hummels Wharf?
How many hours of daylight does Hummels Wharf have in December?
When is the sunrise / sunset in December in Hummels Wharf?
How long on average sun shines in December in Hummels Wharf?
What are the months with the lowest UV index in Hummels Wharf?
How high is the UV index in December in Hummels Wharf?
Average temperature in December
Hummels Wharf, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Hummels Wharf, 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 (29.94"Hg).
Average wind speed in December
Hummels Wharf, PA
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Hummels Wharf, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Hummels Wharf, PA
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are February and November (2.09").
Average rainfall days in December
Hummels Wharf, PA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Hummels Wharf, PA
- Average snowfall in December: 1.97"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hummels Wharf, PA
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hummels Wharf, 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Hummels Wharf, PA
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Hummels Wharf, PA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Hummels Wharf, PA
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Hummels Wharf, PA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July and November (6mi).
The months with the lowest visibility are January, February, May, August, September, October and December (5mi).
Hummels Wharf, Pennsylvania, USA
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