Chillicothe
Ohio, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Chillicothe, OH

December, the first month of the winter, in Chillicothe, is still a chilly month, with average temperature varying between 23°F (-5°C) and 42.8°F (6°C).

Temperature

In December, the average high-temperature drops, from a mild 55.4°F (13°C) in November, to a frosty 42.8°F (6°C). The average low-temperature, in December, is 23°F (-5°C).

Rainfall

In December, the rain falls for 13 days. Throughout December, 2.9" (73mm) of precipitation is accumulated. In Chillicothe, during the entire year, the rain falls for 138 days and collects up to 39.8" (1010mm) of precipitation.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year in Chillicothe.

Sunshine

With an average of 3h of sunshine, December has the least sunshine of the year.

UV index

Months with the lowest UV index in Chillicothe are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in December in Chillicothe?

In Chillicothe, in December, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 23°F (-5°C).

How many days does it rain in December in Chillicothe?

In Chillicothe, in December, during 13 rainfall days, 2.9" (73mm) of precipitation is typically accumulated.

What is the month with the shortest days in Chillicothe?

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

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

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

What is the month with the least sunshine in Chillicothe?

With an average of 3h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Chillicothe?

In Chillicothe, the average sunshine in December is 3h.

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

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

How high is the UV index in December in Chillicothe?

The average daily maximum UV index in December in Chillicothe is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Chillicothe, OH
  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average rainfall in December - Chillicothe, OH
  • Average rainfall in December: 2.9"

The wettest month (with the highest rainfall) is May (4.3").
The driest month (with the lowest rainfall) is February (2.4").

Average rainfall days in December - Chillicothe, OH
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is March (14 days).
The month with the lowest number of rainy days is September (8 days).

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

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

  • Average sunshine in December: 3h

The month with most sunshine is June (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 3h).

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

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).