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 shift to December brings a decrease in the average high-temperature, falling from a chilly 48.6°F (9.2°C) in November to an icy 39°F (3.9°C). During the nights in December, an average low-temperature of 28°F (-2.2°C) is observed in Crossroads.Humidity
In December, the average relative humidity is 81%.Rainfall
In Crossroads, in December, it is raining for 13.1 days, with typically 3.19" (81mm) of accumulated precipitation. In Crossroads, during the entire year, the rain falls for 167 days and collects up to 33.5" (851mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Crossroads. In Crossroads, Pennsylvania, during December, snow falls for 6.1 days and regularly aggregates up to 3.19" (81mm) of snow. In Crossroads, during the entire year, snow falls for 33.8 days and aggregates up to 17.91" (455mm) of snow.Daylight
The month with the shortest days in Crossroads is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:44 pm EST.
Sunshine
In Crossroads, the average sunshine in December is 4.7h.UV index
The month with the lowest UV index in Crossroads, Pennsylvania, is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Crossroads in December?
What is the average humidity in December in Crossroads?
How many days does it rain in December in Crossroads?
How many days does it snow in December in Crossroads?
What is the month with the shortest days in Crossroads?
What is the average length of the day in December in Crossroads?
When is the sunrise / sunset in December in Crossroads?
How many hours of sunshine does Crossroads have in December?
When is the lowest UV index in Crossroads?
What is the UV index reading in December in Crossroads?
Average temperature in December
Crossroads, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Crossroads, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Crossroads, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Crossroads, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Crossroads, PA
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Crossroads, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Crossroads, PA
- Average snowfall in December: 3.19"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Crossroads, PA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Crossroads, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Crossroads, PA
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Crossroads, 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
Crossroads, PA
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Crossroads, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Crossroads, Pennsylvania, USA
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