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 onset of December coincides with a reduction in the average high-temperature, falling from a chilly 46.2°F (7.9°C) in November to a cold 36.5°F (2.5°C). An average low-temperature of 26.6°F (-3°C) is recorded during the nights in December.Humidity
In Saint Boniface, Pennsylvania, the average relative humidity in December is 85%.Rainfall
In Saint Boniface, in December, during 10.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Saint Boniface, during the entire year, the rain falls for 173.2 days and collects up to 32.44" (824mm) of precipitation.Snowfall
Months with snowfall in Saint Boniface, Pennsylvania, are January through May, October through December. In Saint Boniface, in December, snow falls for 12.7 days, with typically accumulated 5.98" (152mm) of snow. Throughout the year, in Saint Boniface, there are 65 snowfall days, and 32.28" (820mm) of snow is accumulated.Daylight
December has the shortest days of the year in Saint Boniface, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:57 pm EST.
Sunshine
In December, the average sunshine in Saint Boniface is 3.4h.UV index
The month with the lowest UV index in Saint Boniface is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is it in Saint Boniface in December?
What is the average humidity in December in Saint Boniface?
How many days does it rain in December in Saint Boniface?
How many days does it snow in December in Saint Boniface?
What is the month with the shortest days in Saint Boniface?
What is the average length of the day in December in Saint Boniface?
When is the sunrise / sunset in December in Saint Boniface?
How many hours of sunshine does Saint Boniface have in December?
When is the lowest UV index in Saint Boniface?
What is the UV index reading in December in Saint Boniface?
Average temperature in December
Saint Boniface, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Saint Boniface, 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
Saint Boniface, PA
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Saint Boniface, 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, June, July and August (78%).
Average rainfall in December
Saint Boniface, PA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Saint Boniface, PA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Saint Boniface, PA
- Average snowfall in December: 5.98"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Saint Boniface, PA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Boniface, 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 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Saint Boniface, PA
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Saint Boniface, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Saint Boniface, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Saint Boniface, 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).
Saint Boniface, Pennsylvania, USA
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