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 the onset of December, Sellersville experiences a modest temperature adjustment, with the average high-temperature gently receding from a cool 50.7°F (10.4°C) in November to a cold 41.9°F (5.5°C). Nighttime temperature in Sellersville experiences an average drop to a freezing cold 30.2°F (-1°C) in December.Humidity
In Sellersville, the average relative humidity in December is 79%.Rainfall
In Sellersville, in December, during 10.4 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Sellersville, during the entire year, the rain falls for 157.1 days and collects up to 31.73" (806mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sellersville, during December, snow falls for 4.3 days and regularly aggregates up to 2.48" (63mm) of snow. Throughout the year, in Sellersville, there are 26.7 snowfall days, and 14.37" (365mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of December, in Sellersville, sunrise is at 7:23 am and sunset at 4:45 pm EST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is it in Sellersville in December?
What is the average humidity in December in Sellersville?
How many days does it rain in December in Sellersville?
How many days does it snow in December in Sellersville?
What is the month with the shortest days in Sellersville?
What is the average length of the day in December in Sellersville?
What time are sunrise and sunset in December in Sellersville?
How long on average sun shines in December in Sellersville?
When is the lowest UV index in Sellersville?
How high is the UV index in December in Sellersville?
Average temperature in December
Sellersville, PA
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Sellersville, 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
Sellersville, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Sellersville, PA
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Sellersville, PA
- Average rainfall in December: 3.03"
The wettest months (with the highest rainfall) are July and August (3.07").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Sellersville, PA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Sellersville, PA
- Average snowfall in December: 2.48"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sellersville, PA
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sellersville, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Sellersville, PA
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in December
Sellersville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Sellersville, PA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Sellersville, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
Sellersville, Pennsylvania, USA
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