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
As November transitions to December, the average high-temperature falls from a chilly 47.3°F (8.5°C) to a wintry 36.7°F (2.6°C). Throughout December nights, Custar experiences a consistent temperature average of 27.3°F (-2.6°C).Humidity
In Custar, the average relative humidity in December is 82%.Rainfall
December is the month with the least rainfall in Custar. Rain falls for 11 days and accumulates 1.73" (44mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Custar, Ohio, it is snowing for 11.7 days. Throughout December, 2.8" (71mm) of snow is accumulated. In Custar, Ohio, during the entire year, snow falls for 52.6 days and aggregates up to 15.87" (403mm) of snow.Daylight
The month with the shortest days in Custar is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 5:06 pm. On the last day of December, in Custar, sunrise is at 8:01 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December in Custar, Ohio, is 3.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is December in Custar?
What is the average humidity in December in Custar?
What is the driest month in Custar?
How many days does it rain in December in Custar?
How much does it snow in Custar in December?
What is the month with the shortest days in Custar?
What is the average length of the day in December in Custar?
When are sunrise and sunset in December in Custar?
How long on average sun shines in December in Custar?
What is the month with the lowest UV index in Custar?
What is the UV index intensity in December in Custar?
Average temperature in December
Custar, OH
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Custar, OH
- Average pressure in December: 30.1"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
Custar, OH
- Average wind speed in December: 9.6mph
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 (6mph).
Average humidity in December
Custar, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Custar, OH
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in December
Custar, OH
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Custar, OH
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Custar, OH
- Average snowfall days in December: 11.7 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
Custar, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Custar, OH
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Custar, OH
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Custar, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Custar, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Custar, Ohio, USA
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