December weather forecast
Hume, IL

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Weather in December

The first month of the winter, December, is still a cold month in Hume, Illinois, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 39°F (3.9°C).

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 49.6°F (9.8°C) in November to a wintry 39°F (3.9°C). In Hume, December nights cool down to an average of 28.2°F (-2.1°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 8.3 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Hume, during the entire year, the rain falls for 133.4 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Hume. December is the month with the most snowfall in Hume. Snow falls for 4.8 days and accumulates 1.61" (41mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 6:54 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:37 pm CST.

Sunshine

The average sunshine in December is 4.4h.

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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during December leads to these advisories:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Hume?

The average high-temperature, in December, in Hume, is 39°F (3.9°C), while the average low-temperature is 28.2°F (-2.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), 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 Hume?

The average relative humidity in December in Hume, Illinois, is 80%.

How much does it rain in Hume in December?

In December, in Hume, the rain falls for 8.3 days. Throughout December, 1.26" (32mm) of precipitation is accumulated.

What is the snowiest month in Hume?

The month with the most snowfall in Hume, Illinois, is December, when snow falls for 4.8 days and typically aggregates up to 1.61" (41mm) of snow.

How much does it snow in Hume in December?

In Hume, Illinois, in December, snow falls for 4.8 days, with typically accumulated 1.61" (41mm) of snow.

What is the month with the shortest days in Hume?

December has the shortest days of the year in Hume, with an average of 9h and 24min of daylight.

How many hours of daylight does Hume have in December?

In December, the average day length in Hume, Illinois, is 9h and 25min.

When is the sunrise / sunset in December in Hume?

On the first day of December, sunrise is at 6:54 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:37 pm CST.

How long on average sun shines in December in Hume?

In December, the average sunshine duration in Hume is 4.4h.

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

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

What is the UV index intensity in December in Hume?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Hume, IL

Average temperature in December - Hume, IL
  • Average high temperature in December: 39°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 (33.8°F).

  • Average low temperature in December: 28.2°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 (21.7°F).

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Average pressure in December
Hume, IL

Average pressure in December - Hume, IL
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Hume, IL

Average wind speed in December - Hume, IL
  • Average wind speed in December: 9.5mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

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Average humidity in December
Hume, IL

Average humidity in December - Hume, IL
  • Average humidity in December: 80%

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

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Average rainfall in December
Hume, IL

Average rainfall in December - Hume, IL
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is February (0.94").

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Average rainfall days in December
Hume, IL

Average rainfall days in December - Hume, IL
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in December
Hume, IL

Average snowfall in December - Hume, IL
  • Average snowfall in December: 1.61"

The month with the highest snowfall is December (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Hume, IL

Average snowfall days in December - Hume, IL
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Hume, IL

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

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 24min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in December
Hume, IL

Average sunshine days in December - Hume, IL
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Hume, IL

Average UV index in December - Hume, IL
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Hume, IL

Average cloud cover in December - Hume, IL
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June, August and September (Cloud cover 31).

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Average visibility in December
Hume, IL

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

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

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Hume, Illinois, USA

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