December weather forecast
Reevesville, IL

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Weather in December

The first month of the winter, December, is still a chilly month in Reevesville, Illinois, with an average temperature ranging between max 44.8°F (7.1°C) and min 32.7°F (0.4°C).

Temperature

Reevesville's December weather shows a moderate shift in high-temperatures, falling from November's cool 54.5°F (12.5°C) to a frosty 44.8°F (7.1°C). The low-temperature average for Reevesville during December stands at a wintry 32.7°F (0.4°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Reevesville, during December, the rain falls for 7.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Reevesville, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, in Reevesville, it is snowing for 1.9 days. Throughout December, 0.12" (3mm) of snow is accumulated. Throughout the year, there are 11 snowfall days, and 1.57" (40mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 6:50 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:47 pm CST.

Sunshine

In December, the average sunshine in Reevesville is 4.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What are the temperatures in December?

Reevesville in December has an average high-temperature of 44.8°F (7.1°C) and an average low-temperature of 32.7°F (0.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in September is estimated at 86°F (30°C).

What is the average humidity in December?

In Reevesville, the average relative humidity in December is 78%.

How many days does it rain in December?

In December, the rain falls for 7.3 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

How many days does it snow in December?

In Reevesville, during December, snow falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 38min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:50 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:47 pm CST.

How many hours of sunshine does Reevesville have in December?

The average sunshine duration in December is 4.8h.

When is the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Reevesville, IL

Average temperature in December - Reevesville, IL
  • Average high temperature in December: 44.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Reevesville, IL

Average pressure in December - Reevesville, IL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Reevesville, IL

Average wind speed in December - Reevesville, IL
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in December
Reevesville, IL

Average humidity in December - Reevesville, IL
  • Average humidity in December: 78%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Reevesville, IL

Average rainfall in December - Reevesville, IL
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in December
Reevesville, IL

Average rainfall days in December - Reevesville, IL
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in December
Reevesville, IL

Average snowfall in December - Reevesville, IL
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Reevesville, IL

Average snowfall days in December - Reevesville, IL
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (3.3 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
Reevesville, IL

Average daylight in December / Average sunshine in December - Reevesville, IL
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in December
Reevesville, IL

Average sunshine days in December - Reevesville, IL
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in December
Reevesville, IL

Average UV index in December - Reevesville, IL
  • 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 and December (UV index 2).

Average cloud cover in December
Reevesville, IL

Average cloud cover in December - Reevesville, IL
  • Average cloud cover in December: 49

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in December
Reevesville, IL

Average visibility in December - Reevesville, IL
  • Average visibility in December: 6mi

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

Reevesville, Illinois, USA

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