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
Valley Falls's average high-temperature decreases in December, falling from a cool 52.7°F (11.5°C) in November to a frosty 43.7°F (6.5°C). During December in Valley Falls, Pennsylvania, the average low-temperature is recorded at a wintry 32.5°F (0.3°C).Humidity
The average relative humidity in December in Valley Falls is 76%.Rainfall
In December, in Valley Falls, Pennsylvania, the rain falls for 9.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. In Valley Falls, Pennsylvania, during the entire year, the rain falls for 153.8 days and collects up to 30.94" (786mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, in Valley Falls, it is snowing for 2.7 days. Throughout December, 1.18" (30mm) of snow is accumulated. Throughout the year, there are 16.8 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Valley Falls.On the first day of December, sunrise is at 7:03 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December in Valley Falls is 5h.UV index
The months with the lowest UV index in Valley Falls, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
Is it cold in Valley Falls during December?
What is the average humidity in December in Valley Falls?
How much does it rain in Valley Falls in December?
How many days does it snow in December in Valley Falls?
What is the month with the shortest days in Valley Falls?
What is the average length of the day in December in Valley Falls?
When are sunrise and sunset in December in Valley Falls?
How long on average sun shines in December in Valley Falls?
What is the month with the lowest UV index in Valley Falls?
How high is the UV index in December in Valley Falls?
Average temperature in December
Valley Falls, PA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Valley Falls, 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 (29.93"Hg).
Average wind speed in December
Valley Falls, PA
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Valley Falls, PA
- Average humidity in December: 76%
The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in December
Valley Falls, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Valley Falls, PA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Valley Falls, PA
- Average snowfall in December: 1.18"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Valley Falls, PA
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Valley Falls, 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: 5h and 0min
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 42min).
Average sunshine days in December
Valley Falls, PA
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Valley Falls, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Valley Falls, PA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Valley Falls, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Valley Falls, Pennsylvania, USA
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