December weather forecast and climate
Centerville, OH

December, the first month of the winter, in Centerville, is still a cold month, with average temperature fluctuating between 39.9°F (4.4°C) and 29.3°F (-1.5°C).

Temperature

In Centerville, the average high-temperature drops, from a chilly 49.6°F (9.8°C) in November, to a wintry 39.9°F (4.4°C). In Centerville, the average low-temperature is 29.3°F (-1.5°C).

Humidity

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

Rainfall

In Centerville, it is raining for 9.8 days, with typically 1.57" (40mm) of accumulated precipitation. In Centerville, during the entire year, the rain falls for 139.3 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Centerville, Ohio, in December, during 6.3 snowfall days, 1.61" (41mm) of snow is typically accumulated. In Centerville, during the entire year, snow falls for 29.2 days, and aggregates up to 7.44" (189mm) of snow.

Daylight

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

Sunshine

The average sunshine in December is 4.1h.

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 minimal health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Centerville?

In Centerville, Ohio, in December, the average high-temperature is 39.9°F (4.4°C), and the average low-temperature is 29.3°F (-1.5°C).

What is the average humidity in December in Centerville?

The average relative humidity in December is 81%.

How much does it rain in Centerville in December?

In Centerville, in December, during 9.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How much does it snow in Centerville in December?

In December, in Centerville, Ohio, it is snowing for 6.3 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days in Centerville?

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

How many hours of daylight does Centerville have in December?

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

How long on average sun shines in December in Centerville?

In Centerville, the average sunshine in December is 4.1h.

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

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

What is the UV index intensity in December in Centerville?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Centerville, OH
  • Average high temperature in December: 4.4°C

The warmest month (with the highest average high temperature) is July (27.5°C).
The month with the lowest average high temperature is January (1.1°C).

  • Average low temperature in December: -1.5°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).

Average pressure in December - Centerville, OH
  • Average pressure in December: 1020.1mbar

The month with the highest atmospheric pressure is November (1020.6mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in December - Centerville, OH
  • Average wind speed in December: 14.5km/h

The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

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

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December - Centerville, OH
  • Average rainfall in December: 40mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is October (30mm).

Average rainfall days in December - Centerville, OH
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in December - Centerville, OH
  • Average snowfall in December: 41mm

The month with the highest snowfall is February (45mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Centerville, OH
  • Average snowfall days in December: 6.3 days

The month with the highest number of snowfall days is January (8.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Centerville, 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: 4.1h

Months with the most sunshine are June and August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.7h).

Average sunshine days in December - Centerville, OH
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12 days).

Average UV index in December - Centerville, 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 - Centerville, 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 - Centerville, OH
  • Average visibility in December: 9km

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