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
December indicates a shift in the average high-temperature, from November's chilly 43.9°F (6.6°C) to a cold 34.5°F (1.4°C). An average minimum temperature of 25.2°F (-3.8°C) is recorded in Morris Run during the month of December.Humidity
The average relative humidity in December is 85%.Rainfall
In Morris Run, during December, the rain falls for 8.9 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Morris Run, during the entire year, the rain falls for 156.3 days and collects up to 29.25" (743mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Morris Run, Pennsylvania, it is snowing for 11.8 days. Throughout December, 5.71" (145mm) of snow is accumulated. Throughout the year, there are 63.2 snowfall days, and 33.23" (844mm) of snow is accumulated.Daylight
The month with the shortest days in Morris Run is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:47 pm EST.
Sunshine
January and December, with an average of 3.2h of sunshine, are months with the least sunshine in Morris Run.UV index
The months with the lowest UV index in Morris Run are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is December in Morris Run?
What is the average humidity in December in Morris Run?
How many days does it rain in December in Morris Run?
How much does it snow in Morris Run in December?
What is the month with the shortest days in Morris Run?
What is the average length of the day in December in Morris Run?
When is the sunrise / sunset in December in Morris Run?
What are the months with the least sunshine in Morris Run?
How many hours of sunshine does Morris Run have in December?
What are the months with the lowest UV index in Morris Run?
What is the UV index intensity in December in Morris Run?
Average temperature in December
Morris Run, PA
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Morris Run, 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
Morris Run, PA
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Morris Run, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Morris Run, PA
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in December
Morris Run, PA
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Morris Run, PA
- Average snowfall in December: 5.71"
The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Morris Run, PA
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Morris Run, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Morris Run, PA
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Morris Run, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Morris Run, PA
- Average cloud cover in December: 68
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Morris Run, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Morris Run, Pennsylvania, USA
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