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 arrival of December corresponds with a shift in temperature, down from a fresh 50°F (10°C) in November to a cold 40.8°F (4.9°C). Scotland's nighttime temperature during December is consistently averaged at a subzero cold 28.9°F (-1.7°C).Humidity
In Scotland, the average relative humidity in December is 79%.Rainfall
In Scotland, in December, it is raining for 10.8 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, in Scotland, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Scotland. In Scotland, in December, snow falls for 4.2 days, with typically accumulated 1.73" (44mm) of snow. In Scotland, during the entire year, snow falls for 28.8 days and aggregates up to 15.39" (391mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December in Scotland, Pennsylvania, sunrise is at 7:13 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:55 pm EST.
Sunshine
In Scotland, the average sunshine in December is 4.6h.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 minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Scotland in December?
What is the average humidity in December in Scotland?
How much does it rain in Scotland in December?
How many days does it snow in December in Scotland?
What is the month with the shortest days in Scotland?
What is the average length of the day in December in Scotland?
When is the sunrise / sunset in December in Scotland?
How long on average sun shines in December in Scotland?
When is the lowest UV index in Scotland?
What is the UV index intensity in December in Scotland?
Average temperature in December
Scotland, PA
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Scotland, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Scotland, PA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Scotland, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Scotland, PA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Scotland, PA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Scotland, PA
- Average snowfall in December: 1.73"
The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Scotland, PA
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Scotland, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Scotland, PA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
Scotland, 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
Scotland, PA
- Average cloud cover in December: 52
The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Scotland, PA
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
Scotland, Pennsylvania, USA
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