December weather forecast
Chester, OH

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Weather in December

The first month of the winter, December, is also a frosty month in Chester, Ohio, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 42.8°F (6°C).

Temperature

Welcoming December, Chester observes a shift in the average high-temperature, falling from November's fresh 52.5°F (11.4°C) to a chilly 42.8°F (6°C). Throughout the nights in December, an average low-temperature of 31.1°F (-0.5°C) is noted.

Humidity

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

Rainfall

In Chester, in December, during 12.4 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Chester, during the entire year, the rain falls for 170.5 days and collects up to 33.39" (848mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Chester, Ohio, during December, snow falls for 8.1 days and regularly aggregates up to 2.28" (58mm) of snow. Throughout the year, there are 39.1 snowfall days, and 13.35" (339mm) 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 the month, sunrise is at 7:28 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:15 pm EST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Chester, records 42.8°F (6°C), while the low-temperature is 31.1°F (-0.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 96.8°F (36°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Chester, during December, the rain falls for 12.4 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 8.1 days. Throughout December, 2.28" (58mm) of snow is accumulated.

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.

How many hours of daylight does Chester have in December?

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

When is the sunrise / sunset in December in Chester?

On the first day of December in Chester, sunrise is at 7:28 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:15 pm EST.

How long on average sun shines in December?

In Chester, the average sunshine duration in December is 3.9h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Chester, Ohio, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Chester, OH

Average temperature in December - Chester, OH
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in December
Chester, OH

Average pressure in December - Chester, OH
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Chester, OH

Average wind speed in December - Chester, OH
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in December
Chester, OH

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

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Chester, OH

Average rainfall in December - Chester, OH
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Chester, OH

Average rainfall days in December - Chester, OH
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in December
Chester, OH

Average snowfall in December - Chester, OH
  • Average snowfall in December: 2.28"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Chester, OH

Average snowfall days in December - Chester, OH
  • Average snowfall days in December: 8.1 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Chester, 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: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Chester, OH

Average sunshine days in December - Chester, OH
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in December
Chester, OH

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

The months with the highest UV index are May, 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
Chester, OH

Average cloud cover in December - Chester, OH
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Chester, OH

Average visibility in December - Chester, OH
  • Average visibility in December: 5mi

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

Chester, Ohio, USA

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