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
Flourtown's December weather shows a moderate shift in high-temperatures, falling from November's cool 52.2°F (11.2°C) to a frosty 42.8°F (6°C). During December, Flourtown witnesses a consistent average low-temperature of 31.6°F (-0.2°C).Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 78%.Rainfall
In Flourtown, in December, it is raining for 7.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, there are 122.4 rainfall days, and 12.68" (322mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.5 days. Throughout December, 0.71" (18mm) of snow is accumulated. In Flourtown, during the entire year, snow falls for 16.3 days and aggregates up to 4.72" (120mm) 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 the month, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of December, in Flourtown, sunrise is at 7:22 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Flourtown. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
Is it cold in Flourtown during December?
What is the most humid month in Flourtown?
What is the average humidity in December in Flourtown?
How much does it rain in Flourtown in December?
How much does it snow in Flourtown in December?
What is the month with the shortest days in Flourtown?
How many hours of daylight does Flourtown have in December?
When is the sunrise / sunset in December in Flourtown?
How long on average sun shines in December in Flourtown?
What are the months with the lowest UV index in Flourtown?
How high is the UV index in December in Flourtown?
Average temperature in December
Flourtown, PA
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
Flourtown, 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
Flourtown, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Flourtown, PA
- Average humidity in December: 78%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in December
Flourtown, PA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Flourtown, PA
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in December
Flourtown, PA
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Flourtown, PA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Flourtown, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Flourtown, PA
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in December
Flourtown, 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
Flourtown, 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 31).
Average visibility in December
Flourtown, 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).
Flourtown, Pennsylvania, USA
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