December weather forecast
Good Hope, IL

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Weather in December

December, the first month of the winter in Good Hope, is also an icy month, with an average temperature fluctuating between 37°F (2.8°C) and 25.7°F (-3.5°C).

Temperature

The start of December comes with a reduction in the average high-temperature, receding from a chilly 48.9°F (9.4°C) in November to a cold 37°F (2.8°C). Good Hope temperatures generally rest at a low of 25.7°F (-3.5°C) during the December nights.

Humidity

The average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 5.6 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Good Hope, during the entire year, the rain falls for 122.7 days and collects up to 17.8" (452mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Good Hope. In Good Hope, in December, snow falls for 4.9 days, with typically accumulated 0.79" (20mm) of snow. In Good Hope, during the entire year, snow falls for 25.2 days and aggregates up to 5.47" (139mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Good Hope.
On the first day of December in Good Hope, Illinois, sunrise is at 7:07 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:45 pm CST.

Sunshine

The average sunshine in December is 4.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Good Hope, Illinois. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun is at its strongest around midday, find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Good Hope in December?

In Good Hope, in December, the average high-temperature is 37°F (2.8°C), and the average low-temperature is 25.7°F (-3.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in December in Good Hope?

In December, the average relative humidity in Good Hope, Illinois, is 79%.

How many days does it rain in December in Good Hope?

In December, the rain falls for 5.6 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

How much does it snow in Good Hope in December?

In Good Hope, in December, during 4.9 snowfall days, 0.79" (20mm) of snow is typically accumulated.

What is the month with the shortest days in Good Hope?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Good Hope have in December?

In December, the average day length in Good Hope is 9h and 20min.

When is the sunrise / sunset in December in Good Hope?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:36 pm. On the last day of the month, in Good Hope, sunrise is at 7:26 am and sunset at 4:45 pm CST.

How long on average sun shines in December in Good Hope?

In December, the average sunshine duration in Good Hope is 4.6h.

What is the month with the lowest UV index in Good Hope?

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

How high is the UV index in December in Good Hope?

The average daily maximum UV index in December in Good Hope is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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
Good Hope, IL

Average temperature in December - Good Hope, IL
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in December
Good Hope, IL

Average pressure in December - Good Hope, IL
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Good Hope, IL

Average wind speed in December - Good Hope, IL
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
Good Hope, IL

Average humidity in December - Good Hope, IL
  • Average humidity in December: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Good Hope, IL

Average rainfall in December - Good Hope, IL
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in December
Good Hope, IL

Average rainfall days in December - Good Hope, IL
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in December
Good Hope, IL

Average snowfall in December - Good Hope, IL
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Good Hope, IL

Average snowfall days in December - Good Hope, IL
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (7.6 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
Good Hope, IL

Average daylight in December / Average sunshine in December - Good Hope, IL
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Good Hope, IL

Average sunshine days in December - Good Hope, IL
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).

Average UV index in December
Good Hope, IL

Average UV index in December - Good Hope, IL
  • Average UV index in December: 2

The months with the highest UV index are 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
Good Hope, IL

Average cloud cover in December - Good Hope, IL
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in December
Good Hope, IL

Average visibility in December - Good Hope, IL
  • Average visibility in December: 6mi

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

Good Hope, Illinois, USA

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