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 decrease of average high-temperatures is mild in December, with a decline from a frosty 47.3°F (8.5°C) in November to an icy 37.9°F (3.3°C). Mahanoy City, during December nights, observes an average temperature of 27.5°F (-2.5°C).Humidity
The average relative humidity in December in Mahanoy City is 82%.Rainfall
In December, in Mahanoy City, the rain falls for 8.9 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. In Mahanoy City, during the entire year, the rain falls for 139.8 days and collects up to 24.69" (627mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Mahanoy City. In December, it is snowing for 4.9 days. Throughout December, 2.83" (72mm) of snow is accumulated. Throughout the year, in Mahanoy City, there are 33.6 snowfall days, and 20.67" (525mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:37 pm. On the last day of December, in Mahanoy City, sunrise is at 7:28 am and sunset at 4:47 pm EST.
Sunshine
In Mahanoy City, the average sunshine in December is 4.4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Mahanoy City in December?
What is the average humidity in December in Mahanoy City?
How many days does it rain in December in Mahanoy City?
How much does it snow in Mahanoy City in December?
What is the month with the shortest days in Mahanoy City?
What is the average length of the day in December in Mahanoy City?
When are sunrise and sunset in December in Mahanoy City?
How long on average sun shines in December in Mahanoy City?
When is the lowest UV index in Mahanoy City?
How high is the UV index in December in Mahanoy City?
Average temperature in December
Mahanoy City, PA
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Mahanoy City, PA
- Average pressure in December: 30.09"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
Mahanoy City, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Mahanoy City, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Mahanoy City, PA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Mahanoy City, PA
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Mahanoy City, PA
- Average snowfall in December: 2.83"
The month with the highest snowfall is March (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mahanoy City, PA
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mahanoy City, 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in December
Mahanoy City, PA
- Average sunshine days in December: 18.5 days
The months with the most sunshine days are January and November (19.6 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Mahanoy City, PA
- Average UV index in December: 2
The month with the highest UV index is June (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
Mahanoy City, PA
- Average cloud cover in December: 54
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Mahanoy City, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Mahanoy City, Pennsylvania, USA
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