December weather forecast
Toluca, IL

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Weather in December

The first month of the winter, December, is also an icy month in Toluca, Illinois, with an average temperature ranging between min 25.9°F (-3.4°C) and max 35.8°F (2.1°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 47.7°F (8.7°C) in November to an icy 35.8°F (2.1°C). Toluca's nights in December cool down to an average low-temperature of 25.9°F (-3.4°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In December, in Toluca, the rain falls for 5.5 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Toluca, during the entire year, the rain falls for 122.1 days and collects up to 15.28" (388mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Toluca, during December, snow falls for 6 days and regularly aggregates up to 0.79" (20mm) of snow. In Toluca, during the entire year, snow falls for 30.6 days and aggregates up to 7.05" (179mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:38 pm CST.

Sunshine

In Toluca, the average sunshine in December is 4.3h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the UV index of 1 transforms into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature are 35.8°F (2.1°C) and 25.9°F (-3.4°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December in Toluca is 81%.

How much does it rain in December?

In Toluca, during December, the rain falls for 5.5 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How much does it snow in Toluca in December?

In Toluca, during December, snow falls for 6 days and regularly aggregates up to 0.79" (20mm) of snow.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does Toluca have in December?

In Toluca, the average day length in December is 9h and 17min.

When are sunrise and sunset in December in Toluca?

On the first day of December, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:38 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.3h.

What is the month with the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index intensity in December?

In Toluca, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Toluca, IL

Average temperature in December - Toluca, IL
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in December
Toluca, IL

Average pressure in December - Toluca, IL
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Toluca, IL

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

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Toluca, IL

Average humidity in December - Toluca, IL
  • Average humidity in December: 81%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Toluca, IL

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

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days in December
Toluca, IL

Average rainfall days in December - Toluca, IL
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.7 days).

Average snowfall in December
Toluca, IL

Average snowfall in December - Toluca, IL
  • Average snowfall in December: 0.79"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Toluca, IL

Average snowfall days in December - Toluca, IL
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (10.3 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
Toluca, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Toluca, IL

Average sunshine days in December - Toluca, IL
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in December
Toluca, IL

Average UV index in December - Toluca, IL
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Toluca, IL

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in December
Toluca, IL

Average visibility in December - Toluca, 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).

Toluca, Illinois, USA

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