December weather forecastHume, IL

December

Weather in December

December, the first month of the winter in Hume, is also an icy month, with an average temperature varying between 39°F (3.9°C) and 28.2°F (-2.1°C).

Temperature

In December, the average high-temperature decreases from a frosty 49.6°F (9.8°C) in November to a cold 39°F (3.9°C). Hume's nighttime temperature during December is consistently averaged at a subzero cold 28.2°F (-2.1°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Hume, in December, it is raining for 8.3 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 133.4 rainfall days, and 19.49" (495mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. December is the month with the most snowfall. 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 the month, sunrise is at 6:54 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:37 pm CST.

Sunshine

The average sunshine in December is 4.4h.

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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

In December, in Hume, the average high-temperature is 39°F (3.9°C), and the average low-temperature is 28.2°F (-2.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 87.8°F (31°C).

In December, the average relative humidity is 80%.

In Hume, in December, it is raining for 8.3 days, with typically 1.26" (32mm) of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 4.8 days and accumulates 1.61" (41mm) of snow.

In December, it is snowing for 4.8 days. Throughout December, 1.61" (41mm) of snow is accumulated.

The month with the shortest days is December, with an average of 9h and 24min of daylight.

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

In December, on the first day of the month, 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.

In December, the average sunshine duration is 4.4h.

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

The average daily maximum UV index in December in Hume is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
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 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).

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).

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).

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%).

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").

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).

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").

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).

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

  • Average daylight in December: 9h and 24min

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 24min

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).

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).

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).

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).

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).