December weather forecast and climate
Circleville, OH

The first month of the winter, December, is also a wintry month in Circleville, Ohio, with average temperature varying between 40.5°F (4.7°C) and 29.7°F (-1.3°C).

Temperature

In Circleville, the average high-temperature drops, from a fresh 50.5°F (10.3°C) in November, to a cold 40.5°F (4.7°C). In Circleville, the average low-temperature is 29.7°F (-1.3°C).

Humidity

In December, the average relative humidity in Circleville is 81%.

Rainfall

In Circleville, Ohio, it is raining for 11.7 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 168.9 rainfall days, and 32.4" (823mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Circleville are January through April, October through December. In Circleville, during December, snow falls for 8.4 days and regularly aggregates up to 2.64" (67mm) of snow. Throughout the year, there are 39.4 snowfall days, and 13.58" (345mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9.4h of daylight.

Sunshine

The average sunshine in Circleville is 4.2h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Circleville?

In Circleville, Ohio, in December, the average high-temperature is 40.5°F (4.7°C), and the average low-temperature is 29.7°F (-1.3°C).

What is the average humidity in December in Circleville?

In December, the average relative humidity in Circleville is 81%.

How much does it rain in Circleville in December?

In Circleville, Ohio, in December, it is raining for 11.7 days, with typically 2.8" (71mm) of accumulated precipitation.

How many days does it snow in December in Circleville?

In Circleville, in December, during 8.4 snowfall days, 2.64" (67mm) of snow is typically accumulated.

What is the month with the shortest days in Circleville?

December has the shortest days of the year in Circleville, with an average of 9.4h of daylight.

What is the average length of the day in December in Circleville?

In Circleville, the average length of the day in December is 9.4h.

How long on average sun shines in December in Circleville?

The average sunshine in December in Circleville is 4.2h.

What are the months with the lowest UV index in Circleville?

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

What is the UV index intensity in December in Circleville?

The average daily maximum UV index in December in Circleville is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.
Average temperature in December - Circleville, OH
  • Average high temperature in December: 4.7°C

The warmest month (with the highest average high temperature) is July (28.2°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in December: -1.3°C

The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).

Average pressure in December - Circleville, OH
  • Average pressure in December: 1020.3mbar

The month with the highest atmospheric pressure is November (1020.8mbar).
The month with the lowest atmospheric pressure is June (1014mbar).

Average wind speed in December - Circleville, OH
  • Average wind speed in December: 13.3km/h

The windiest month (with the highest average wind speed) is January (14.4km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

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

Months with the highest relative humidity are January and February (82%).
Months with the lowest relative humidity are October and November (75%).

Average rainfall in December - Circleville, OH
  • Average rainfall in December: 71mm

The wettest month (with the highest rainfall) is May (95mm).
The driest month (with the least rainfall) is September (49mm).

Average rainfall days in December - Circleville, OH
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in December - Circleville, OH
  • Average snowfall in December: 67mm

Months with the highest snowfall are January and February (87mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (11.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Circleville, OH
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 4.2h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.7h).

Average sunshine days in December - Circleville, OH
  • Average sunshine days in December: 12.9 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.2 days).

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Circleville, OH
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December - Circleville, OH
  • Average visibility in December: 9km

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January and February (8km).