January weather forecast
Cairo, IL

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Weather in January

In January, Cairo, Illinois, experiences mid-winter weather conditions typical to the temperate region. Temperatures plunge from December's figures, with the lowest temperatures of the year being recorded during this month. Snowfall, though minimal, is not uncommon, with 1.14" (29mm) of snow measured. Since the days are shorter with only 10 hours of daylight, conditions might feel somewhat gloomy. Intermittent flurries, coupled with reduced visibility, are common, casting a picturesque winter landscape over Cairo.

Temperature

Cairo experiences its lowest temperatures in January, with an average peak of 41.2°F (5.1°C) and a low of 28.4°F (-2°C).

Humidity

In Cairo, the average relative humidity in January is 76%.

Rainfall

In January, the rain falls for 9.8 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 156.3 rainfall days, and 36.65" (931mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Cairo, in January, snow falls for 3.4 days, with typically accumulated 1.14" (29mm) of snow. In Cairo, during the entire year, snow falls for 11.5 days and aggregates up to 4.88" (124mm) of snow.

Daylight

In Cairo, the average length of the day in January is 9h and 58min.
On the first day of January, sunrise is at 7:09 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:20 pm CST.

Sunshine

In January, the average sunshine in Cairo is 4.8h.

UV index

January, February 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 minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What month is the coldest in Cairo?

The coldest period in Cairo is January, when temperatures fluctuate between an average high of 41.2°F (5.1°C) and a low of 28.4°F (-2°C).

Is January cold in Cairo?

January temperatures in Cairo, Illinois, vary between a high-temperature of 41.2°F (5.1°C) and a low-temperature of 28.4°F (-2°C).

What is the average humidity in January in Cairo?

The average relative humidity in January in Cairo, Illinois, is 76%.

How much does it rain in Cairo in January?

In Cairo, in January, it is raining for 9.8 days, with typically 2.36" (60mm) of accumulated precipitation.

How much does it snow in Cairo in January?

In Cairo, in January, snow falls for 3.4 days, with typically accumulated 1.14" (29mm) of snow.

What is the average length of the day in January in Cairo?

The average day length in January is 9h and 58min.

When are sunrise and sunset in January in Cairo?

In January, on the first day of the month, sunrise is at 7:09 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:20 pm CST.

How long on average sun shines in January in Cairo?

In January, the average sunshine duration is 4.8h.

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

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 Cairo?

In January, the average daily maximum UV index in Cairo is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to 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 January
Cairo, IL

Average temperature in January - Cairo, IL
  • Average high temperature in January: 41.2°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in January: 28.4°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in January
Cairo, IL

Average pressure in January - Cairo, 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
Cairo, IL

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

The windiest months (with the highest average wind speed) are January, February and March (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
Cairo, IL

Average humidity in January - Cairo, IL
  • Average humidity in January: 76%

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

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Average rainfall in January
Cairo, IL

Average rainfall in January - Cairo, IL
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in January
Cairo, IL

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

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in January
Cairo, IL

Average snowfall in January - Cairo, IL
  • Average snowfall in January: 1.14"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Cairo, IL

Average snowfall days in January - Cairo, IL
  • Average snowfall days in January: 3.4 days

The month with the highest number of snowfall days is February (3.8 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
Cairo, IL

Average daylight in January / Average sunshine in January - Cairo, IL
  • Average daylight in January: 10h and 0min

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 42min).

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Average sunshine days in January
Cairo, IL

Average sunshine days in January - Cairo, IL
  • Average sunshine days in January: 17.4 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in January
Cairo, IL

Average UV index in January - Cairo, 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
Cairo, IL

Average cloud cover in January - Cairo, IL
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in January
Cairo, IL

Average visibility in January - Cairo, 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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Cairo, Illinois, USA

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