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
Transition into December marks a drop in the average high-temperature, moving from a frosty 46.4°F (8°C) in November to an icy 35.8°F (2.1°C). Penn Park usually reports an average low-temperature of 26.1°F (-3.3°C) during the month of December.Humidity
The average relative humidity in December in Penn Park is 84%.Rainfall
December is the month with the least rainfall in Penn Park, Indiana. Rain falls for 9.5 days and accumulates 1.3" (33mm) of precipitation.Snowfall
Months with snowfall in Penn Park are January through May, October through December. In Penn Park, during December, snow falls for 12.2 days and regularly aggregates up to 2.17" (55mm) of snow. Throughout the year, in Penn Park, Indiana, there are 55.5 snowfall days, and 13.11" (333mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Penn Park.On the first day of December, sunrise is at 7:47 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:19 pm EST.
Sunshine
In Penn Park, the average sunshine in December is 3.6h.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 exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Penn Park?
What is the average humidity in December in Penn Park?
What is the driest month in Penn Park?
How many days does it rain in December in Penn Park?
How many days does it snow in December in Penn Park?
What is the month with the shortest days in Penn Park?
What is the average length of the day in December in Penn Park?
What time are sunrise and sunset in December in Penn Park?
How many hours of sunshine does Penn Park have in December?
What is the month with the lowest UV index in Penn Park?
What is the UV index reading in December in Penn Park?
Average temperature in December
Penn Park, IN
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Penn Park, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Penn Park, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Penn Park, IN
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Penn Park, IN
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in December
Penn Park, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Penn Park, IN
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Penn Park, IN
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Penn Park, IN
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Penn Park, IN
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Penn Park, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Penn Park, IN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Penn Park, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Penn Park, Indiana, USA
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