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
A subtle shift in Steelville's weather is observed as November turns into December, with the average high temperature reducing from a cool 51.6°F (10.9°C) to a chilly 43.2°F (6.2°C). In Steelville, the average temperature during the nights of December drops to a subzero cold 31.3°F (-0.4°C).Humidity
In Steelville, the average relative humidity in December is 79%.Rainfall
In Steelville, during December, the rain falls for 8.6 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 130.4 rainfall days, and 16.3" (414mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Steelville, in December, snow falls for 2.5 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 16.2 snowfall days, and 5.35" (136mm) of snow is accumulated.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 7:06 am and sunset at 4:39 pm. On the last day of December, in Steelville, sunrise is at 7:25 am and sunset at 4:49 pm EST.
Sunshine
In Steelville, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December in Steelville?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Steelville have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Steelville, PA
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
Steelville, PA
- Average pressure in December: 30.1"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
Steelville, PA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Steelville, PA
- Average humidity in December: 79%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall in December
Steelville, PA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Steelville, PA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Steelville, PA
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Steelville, PA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.8 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
Steelville, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Steelville, PA
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in December
Steelville, 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, November and December (UV index 2).
Average cloud cover in December
Steelville, PA
- Average cloud cover in December: 46
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Steelville, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Steelville, Pennsylvania, USA
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