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
In Niles, the average high-temperature in December drops from a frosty 47.3°F (8.5°C) in November to an icy 37.6°F (3.1°C). In the month of December, the nighttime temperature dips to a steady average of 27°F (-2.8°C).Humidity
In Niles, the average relative humidity in December is 85%.Rainfall
In Niles, Ohio, in December, during 12.6 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 182 rainfall days, and 33.82" (859mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Niles, during December, snow falls for 15.6 days and regularly aggregates up to 5.63" (143mm) of snow. Throughout the year, there are 74.3 snowfall days, and 29.41" (747mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:04 pm EST.
Sunshine
In December, the average sunshine is 3.1h.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 low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Niles?
What is the average length of the day in December?
What time 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 reading in December?
Average temperature in December
Niles, OH
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Niles, OH
- Average pressure in December: 30.1"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
Niles, OH
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Niles, OH
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May, July and August (77%).
Average rainfall in December
Niles, OH
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Niles, OH
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Niles, OH
- Average snowfall in December: 5.63"
The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Niles, OH
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Niles, OH
- 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: 3h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Niles, OH
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is November (12.5 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in December
Niles, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Niles, OH
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Niles, OH
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Niles, Ohio, USA
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