December weather forecastFishertown, PA
December
Weather in December
The first month of the winter, December, is also a wintry month in Fishertown, Pennsylvania, with an average temperature fluctuating between 38.5°F (3.6°C) and 27.5°F (-2.5°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 48.2°F (9°C) to an icy 38.5°F (3.6°C). An average temperature of 27.5°F (-2.5°C) is recorded during the nights in December.Humidity
In Fishertown, the average relative humidity in December is 81%.Rainfall
In December, in Fishertown, the rain falls for 7.3 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 126 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Fishertown, during December, snow falls for 4.5 days and regularly aggregates up to 1.14" (29mm) of snow. In Fishertown, Pennsylvania, during the entire year, snow falls for 28.3 days and aggregates up to 9.57" (243mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:17 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:58 pm EST.
Sunshine
The average sunshine in December is 4.3h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fishertown, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Fishertown, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Fishertown, PA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Fishertown, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Fishertown, PA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Fishertown, PA
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Fishertown, PA
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Fishertown, PA
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fishertown, PA
- Average daylight in December: 9h and 24min
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: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Fishertown, PA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Fishertown, PA
- Average UV index in December: 2
The month with the highest UV index is June (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
Fishertown, PA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Fishertown, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
