January weather forecast
Thebes, IL

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Weather in January

January, like December, in Thebes, Illinois, is an icy winter month, with an average temperature ranging between min 27.9°F (-2.3°C) and max 41°F (5°C).

Temperature

January is the month that records the lowest temperatures, with averages ranging from a high of 41°F (5°C) to a low of 27.9°F (-2.3°C).

Humidity

The average relative humidity in January is 75%.

Rainfall

In Thebes, in January, it is raining for 9.8 days, with typically 2.32" (59mm) of accumulated precipitation. In Thebes, during the entire year, the rain falls for 158.6 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Thebes. In Thebes, Illinois, during January, snow falls for 3.7 days and regularly aggregates up to 0.79" (20mm) of snow. In Thebes, Illinois, during the entire year, snow falls for 11.2 days and aggregates up to 4.92" (125mm) of snow.

Daylight

In January, the average length of the day in Thebes is 9h and 57min.
On the first day of January, sunrise is at 7:11 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:20 pm CST.

Sunshine

The average sunshine in January is 4.9h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Thebes, Illinois. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in January transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in Thebes?

Thebes experiences its lowest temperatures in January, with an average peak of 41°F (5°C) and a low of 27.9°F (-2.3°C).

Is January cold in Thebes?

The high-temperature, in January, in Thebes, is 41°F (5°C), while the low-temperature averages to 27.9°F (-2.3°C).

What is the average humidity in January in Thebes?

In Thebes, Illinois, the average relative humidity in January is 75%.

How much does it rain in Thebes in January?

In January, the rain falls for 9.8 days. Throughout January, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in Thebes in January?

In Thebes, Illinois, in January, during 3.7 snowfall days, 0.79" (20mm) of snow is typically accumulated.

How many hours of daylight does Thebes have in January?

In January, the average day length is 9h and 57min.

When is the sunrise / sunset in January in Thebes?

In January, on the first day of the month, sunrise is at 7:11 am and sunset at 4:50 pm. On the last day of the month, in Thebes, sunrise is at 7:01 am and sunset at 5:20 pm CST.

How many hours of sunshine does Thebes have in January?

In January, the average sunshine duration in Thebes is 4.9h.

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

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

What is the UV index intensity in January in Thebes?

The average daily maximum UV index in January in Thebes is 2. A UV Index estimate of 2, and below, represents a low health risk 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 January
Thebes, IL

Average temperature in January - Thebes, IL
  • Average high temperature in January: 41°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in January: 27.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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Average pressure in January
Thebes, IL

Average pressure in January - Thebes, IL
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Thebes, IL

Average wind speed in January - Thebes, IL
  • Average wind speed in January: 9.1mph

The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in January
Thebes, IL

Average humidity in January - Thebes, IL
  • Average humidity in January: 75%

The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in January
Thebes, IL

Average rainfall in January - Thebes, IL
  • Average rainfall in January: 2.32"

The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in January
Thebes, IL

Average rainfall days in January - Thebes, IL
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in January
Thebes, IL

Average snowfall in January - Thebes, IL
  • Average snowfall in January: 0.79"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Thebes, IL

Average snowfall days in January - Thebes, IL
  • Average snowfall days in January: 3.7 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Thebes, IL

Average daylight in January / Average sunshine in January - Thebes, IL
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in January
Thebes, IL

Average sunshine days in January - Thebes, IL
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in January
Thebes, IL

Average UV index in January - Thebes, IL
  • Average UV index in January: 2

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

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Average cloud cover in January
Thebes, IL

Average cloud cover in January - Thebes, IL
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).

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Average visibility in January
Thebes, IL

Average visibility in January - Thebes, IL
  • Average visibility in January: 6mi

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

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Thebes, Illinois, USA

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