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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 46.2°F (7.9°C) in November to a cold 36.5°F (2.5°C). Throughout December, a steady low-temperature average of 25.9°F (-3.4°C) is noted.Humidity
February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In December, the rain falls for 11 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 162.1 rainfall days, and 24.53" (623mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Yatesville, in December, snow falls for 9.6 days, with typically accumulated 3.46" (88mm) of snow. In Yatesville, during the entire year, snow falls for 49.4 days and aggregates up to 19.92" (506mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine in Yatesville, Pennsylvania, is 3.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Yatesville have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Yatesville have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Yatesville, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 25.9°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 (18.7°F).
Average pressure in December
Yatesville, 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
Yatesville, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Yatesville, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Yatesville, PA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Yatesville, PA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Yatesville, PA
- Average snowfall in December: 3.46"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Yatesville, PA
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Yatesville, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in December
Yatesville, PA
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Yatesville, 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
Yatesville, PA
- Average cloud cover in December: 61
The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Yatesville, 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).
Yatesville, Pennsylvania, USA
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