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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a chilly 46.2°F (7.9°C) in November to a cold 35.6°F (2°C). An average low-temperature of 26.1°F (-3.3°C) marks the month of December.Humidity
The average relative humidity in December is 83%.Rainfall
The month with the least rainfall is December, when the rain falls for 11.6 days and typically collects 1.5" (38mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Northwest, in December, snow falls for 12.1 days, with typically accumulated 2.28" (58mm) of snow. In Northwest, during the entire year, snow falls for 55.2 days and aggregates up to 14.8" (376mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:47 am and sunset at 5:09 pm. On the last day of December, sunrise is at 8:05 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in December is 3.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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?
What is the driest month?
How many days does it rain in December in Northwest?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Northwest have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Northwest have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Northwest, OH
- Average high temperature in December: 35.6°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 (62.6°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Northwest, OH
- 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
Northwest, 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 (6.3mph).
Average humidity in December
Northwest, OH
- Average humidity in December: 83%
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
Northwest, OH
- Average rainfall in December: 1.5"
The wettest months (with the highest rainfall) are April and May (3.39").
The driest month (with the least rainfall) is December (1.5").
Average rainfall days in December
Northwest, OH
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Northwest, OH
- Average snowfall in December: 2.28"
The month with the highest snowfall is January (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Northwest, OH
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Northwest, OH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
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
Northwest, OH
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Northwest, OH
- Average UV index in December: 1
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Northwest, OH
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Northwest, OH
- 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).
Northwest, Ohio, USA
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