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 chilly 47.3°F (8.5°C) in November to a wintry 37.6°F (3.1°C). Mifflinville cools down to an average low-temperature of 27°F (-2.8°C) throughout the month of December.Humidity
In December, the average relative humidity is 82%.Rainfall
In December, in Mifflinville, the rain falls for 12.4 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 166.3 rainfall days, and 31.06" (789mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mifflinville, in December, snow falls for 9.4 days, with typically accumulated 3.94" (100mm) of snow. In Mifflinville, during the entire year, snow falls for 47.6 days and aggregates up to 22.91" (582mm) 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 in Mifflinville, sunrise is at 7:11 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:47 pm EST.
Sunshine
In Mifflinville, the average sunshine in December is 4.1h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How much does it rain in Mifflinville in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mifflinville have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Mifflinville, PA
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Mifflinville, 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
Mifflinville, PA
- Average wind speed in December: 7.5mph
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 (4.8mph).
Average humidity in December
Mifflinville, 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
Mifflinville, PA
- Average rainfall in December: 2.52"
The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Mifflinville, PA
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Mifflinville, PA
- Average snowfall in December: 3.94"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mifflinville, PA
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mifflinville, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Mifflinville, PA
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Mifflinville, 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
Mifflinville, PA
- Average cloud cover in December: 58
The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Mifflinville, 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).
Mifflinville, Pennsylvania, USA
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