December weather forecast
Tampico, IL

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Weather in December

The first month of the winter, December, is also a wintry month in Tampico, Illinois, with an average temperature ranging between min 23.5°F (-4.7°C) and max 34.2°F (1.2°C).

Temperature

In the transition to December, Tampico observes a drop in the average high-temperature, moving from a chilly 46°F (7.8°C) in November to a cold 34.2°F (1.2°C). Throughout December, Tampico anticipates an average low-temperature of 23.5°F (-4.7°C).

Humidity

In Tampico, the average relative humidity in December is 82%.

Rainfall

In Tampico, in December, during 7.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Tampico, during the entire year, the rain falls for 151.5 days and collects up to 30.24" (768mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Tampico, in December, snow falls for 7.8 days, with typically accumulated 2.76" (70mm) of snow. In Tampico, during the entire year, snow falls for 37.9 days and aggregates up to 15.83" (402mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in Tampico, sunrise is at 7:07 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:39 pm CST.

Sunshine

In December, the average sunshine in Tampico is 4.2h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, a regular UV index of 1 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

Tampico in December has an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 23.5°F (-4.7°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

How much does it rain in December?

In Tampico, in December, during 7.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 7.8 days. Throughout December, 2.76" (70mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Tampico have in December?

The average day length in December is 9h and 13min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:07 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:39 pm CST.

How many hours of sunshine does Tampico have in December?

The average sunshine duration in December is 4.2h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Tampico?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Tampico, IL

Average temperature in December - Tampico, IL
  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 23.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in December
Tampico, IL

Average pressure in December - Tampico, IL
  • Average pressure in December: 30.1"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
Tampico, IL

Average wind speed in December - Tampico, IL
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Tampico, IL

Average humidity in December - Tampico, IL
  • Average humidity in December: 82%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Tampico, IL

Average rainfall in December - Tampico, IL
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.42").

Average rainfall days in December
Tampico, IL

Average rainfall days in December - Tampico, IL
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in December
Tampico, IL

Average snowfall in December - Tampico, IL
  • Average snowfall in December: 2.76"

The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Tampico, IL

Average snowfall days in December - Tampico, IL
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (10.5 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
Tampico, IL

Average daylight in December / Average sunshine in December - Tampico, IL
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Tampico, IL

Average sunshine days in December - Tampico, IL
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.1 days).

Average UV index in December
Tampico, IL

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Tampico, IL

Average cloud cover in December - Tampico, IL
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in December
Tampico, IL

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

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

Tampico, Illinois, USA

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