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
A change in temperatures is noted as November gives way to December, with average highs reducing from a cool 50°F (10°C) to a cold 40.6°F (4.8°C). An average low-temperature of 29.3°F (-1.5°C) is expected during December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Robesonia, Pennsylvania, in December, during 11.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, in Robesonia, there are 158.3 rainfall days, and 29.76" (756mm) of precipitation is accumulated.Snowfall
Months with snowfall in Robesonia are January through May, October through December. In Robesonia, in December, during 4.4 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Robesonia, during the entire year, snow falls for 26.5 days and aggregates up to 12.64" (321mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:08 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:48 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Robesonia. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
Is December cold in Robesonia?
What is the average humidity in December in Robesonia?
How much does it rain in Robesonia in December?
How many days does it snow in December in Robesonia?
What is the month with the shortest days in Robesonia?
What is the average length of the day in December in Robesonia?
When are sunrise and sunset in December in Robesonia?
How long on average sun shines in December in Robesonia?
What are the months with the lowest UV index in Robesonia?
How high is the UV index in December in Robesonia?
Average temperature in December
Robesonia, PA
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Robesonia, 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
Robesonia, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Robesonia, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Robesonia, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Robesonia, PA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Robesonia, PA
- Average snowfall in December: 1.54"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Robesonia, PA
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Robesonia, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Robesonia, PA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Robesonia, PA
- Average UV index in December: 2
The months with the highest UV index are May, 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
Robesonia, PA
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Robesonia, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Robesonia, Pennsylvania, USA
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