December weather forecast
Wiltsee, OH

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Weather in December

The first month of the winter, December, is also a wintry month in Wiltsee, Ohio, with an average temperature varying between 30.9°F (-0.6°C) and 41.9°F (5.5°C).

Temperature

Wiltsee in December experiences a subtle temperature decline, with average high-temperatures reducing from a cool 51.4°F (10.8°C) in November to a cold 41.9°F (5.5°C). Throughout December, Wiltsee encounters an average temperature drop to a freezing cold 30.9°F (-0.6°C).

Humidity

January, February and December, with an average relative humidity of 81%, are the most humid months in Wiltsee.

Rainfall

In Wiltsee, in December, during 12.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Wiltsee, during the entire year, the rain falls for 168.4 days and collects up to 31.85" (809mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Wiltsee, in December, during 8.4 snowfall days, 2.2" (56mm) of snow is typically accumulated. Throughout the year, there are 35.9 snowfall days, and 10.39" (264mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:37 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:24 pm EST.

Sunshine

In December, the average sunshine is 4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To protect against the Sun's most potent rays, avoid direct exposure around midday. 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. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In December, the average high-temperature and low-temperature are 41.9°F (5.5°C) and 30.9°F (-0.6°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What are the most humid months?

The months with the highest humidity are January, February and December, with an average relative humidity of 81%.

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Wiltsee, in December, during 12.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Wiltsee, in December, snow falls for 8.4 days, with typically accumulated 2.2" (56mm) of snow.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Wiltsee, Ohio.

How many hours of daylight does Wiltsee have in December?

In December, the average day length in Wiltsee is 9h and 29min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:37 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:24 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December?

In Wiltsee, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Wiltsee, OH

Average temperature in December - Wiltsee, OH
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in December
Wiltsee, OH

Average pressure in December - Wiltsee, OH
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Wiltsee, OH

Average wind speed in December - Wiltsee, OH
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Wiltsee, OH

Average humidity in December - Wiltsee, OH
  • Average humidity in December: 81%

The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).

Average rainfall in December
Wiltsee, OH

Average rainfall in December - Wiltsee, OH
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Wiltsee, OH

Average rainfall days in December - Wiltsee, OH
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (10 days).

Average snowfall in December
Wiltsee, OH

Average snowfall in December - Wiltsee, OH
  • Average snowfall in December: 2.2"

The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Wiltsee, OH

Average snowfall days in December - Wiltsee, OH
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Wiltsee, OH

Average daylight in December / Average sunshine in December - Wiltsee, OH
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 0min

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 48min).

Average sunshine days in December
Wiltsee, OH

Average sunshine days in December - Wiltsee, OH
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in December
Wiltsee, OH

Average UV index in December - Wiltsee, OH
  • Average UV index in December: 2

The months with the highest UV index are 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
Wiltsee, OH

Average cloud cover in December - Wiltsee, OH
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Wiltsee, OH

Average visibility in December - Wiltsee, OH
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).

Wiltsee, Ohio, USA

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