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 beginning of December marks a decrease in the average high-temperature, transitioning from a fresh 50.5°F (10.3°C) in November to a wintry 41.5°F (5.3°C). During December, Blue Ball observes a consistent average nighttime temperature of 30°F (-1.1°C).Humidity
In December, the average relative humidity in Blue Ball is 80%.Rainfall
In Blue Ball, in December, during 11.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Blue Ball, during the entire year, the rain falls for 166.2 days and collects up to 33.46" (850mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Blue Ball, Pennsylvania, in December, snow falls for 4.6 days, with typically accumulated 1.97" (50mm) of snow. In Blue Ball, during the entire year, snow falls for 27.2 days and aggregates up to 14.45" (367mm) 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 7:07 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:48 pm EST.
Sunshine
In Blue Ball, the average sunshine in December is 4.8h.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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold does it get in Blue Ball in December?
What is the average humidity in December in Blue Ball?
How many days does it rain in December in Blue Ball?
How many days does it snow in December in Blue Ball?
What is the month with the shortest days in Blue Ball?
What is the average length of the day in December in Blue Ball?
When are sunrise and sunset in December in Blue Ball?
How long on average sun shines in December in Blue Ball?
What are the months with the lowest UV index in Blue Ball?
What is the UV index intensity in December in Blue Ball?
Average temperature in December
Blue Ball, PA
- Average high temperature in December: 41.5°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 (35.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Blue Ball, 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
Blue Ball, PA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Blue Ball, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Blue Ball, PA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in December
Blue Ball, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Blue Ball, PA
- Average snowfall in December: 1.97"
The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Blue Ball, PA
- Average snowfall days in December: 4.6 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
Blue Ball, 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 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Blue Ball, PA
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Blue Ball, 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
Blue Ball, 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
Blue Ball, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Blue Ball, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
