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 start of December involves a temperature drop, moving from a frosty 48°F (8.9°C) in November to an icy 38.5°F (3.6°C). During December, the average low-temperature is a subzero cold 27.3°F (-2.6°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Seminole, in December, during 12.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, in Seminole, there are 182.9 rainfall days, and 34.88" (886mm) of precipitation is accumulated.Snowfall
Months with snowfall in Seminole are January through May, October through December. In Seminole, in December, snow falls for 13 days, with typically accumulated 4.69" (119mm) of snow. Throughout the year, in Seminole, there are 64.2 snowfall days, and 24.25" (616mm) of snow is accumulated.Daylight
The month with the shortest days in Seminole is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:59 pm EST.
Sunshine
In December, the average sunshine in Seminole, Pennsylvania, is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
Is December cold in Seminole?
What is the average humidity in December in Seminole?
How much does it rain in Seminole in December?
How many days does it snow in December in Seminole?
What is the month with the shortest days in Seminole?
What is the average length of the day in December in Seminole?
When are sunrise and sunset in December in Seminole?
How long on average sun shines in December in Seminole?
When is the lowest UV index in Seminole?
What is the UV index reading in December in Seminole?
Average temperature in December
Seminole, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Seminole, 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
Seminole, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Seminole, 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, July and August (77%).
Average rainfall in December
Seminole, PA
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Seminole, PA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Seminole, PA
- Average snowfall in December: 4.69"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Seminole, PA
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Seminole, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Seminole, PA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (7 days).
Average UV index in December
Seminole, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Seminole, 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 35).
Average visibility in December
Seminole, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Seminole, Pennsylvania, USA
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