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
The arrival of December corresponds with a shift in temperature, down from a frosty 48.4°F (9.1°C) in November to a cold 38.5°F (3.6°C). December witnesses an average low-temperature hovering around a freezing cold 27.3°F (-2.6°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In Dellroy, Ohio, in December, it is raining for 11.5 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 174.7 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Dellroy, it is snowing for 13.1 days. Throughout December, 4.37" (111mm) of snow is accumulated. In Dellroy, during the entire year, snow falls for 63 days and aggregates up to 24.02" (610mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:08 pm EST.
Sunshine
In Dellroy, the average sunshine in December is 3.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days 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 in Dellroy?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index in Dellroy?
How high is the UV index in December?
Average temperature in December
Dellroy, OH
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Dellroy, OH
- Average pressure in December: 30.11"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
Dellroy, OH
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Dellroy, OH
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Dellroy, OH
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Dellroy, OH
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in December
Dellroy, OH
- Average snowfall in December: 4.37"
The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dellroy, OH
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dellroy, OH
- 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 18min).
- Average sunshine in December: 3h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Dellroy, OH
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Dellroy, 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
Dellroy, OH
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Dellroy, OH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Dellroy, Ohio, USA
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