January weather forecast
Danville, IL

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Weather in January

January, like December, is another subzero cold winter month in Danville, Illinois, with an average temperature varying between 31.6°F (-0.2°C) and 20.5°F (-6.4°C).

Temperature

Temperature records mark January as the coldest month, with highs averaging 31.6°F (-0.2°C) and lows at 20.5°F (-6.4°C).

Humidity

In Danville, the average relative humidity in January is 81%.

Rainfall

In Danville, in January, during 7.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Danville, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Danville. In Danville, during January, snow falls for 10.6 days and regularly aggregates up to 2.28" (58mm) of snow. In Danville, during the entire year, snow falls for 35.2 days and aggregates up to 8.82" (224mm) of snow.

Daylight

In January, the average length of the day in Danville, Illinois, is 9h and 43min.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:35 pm. On the last day of January, in Danville, sunrise is at 7:00 am and sunset at 5:07 pm CST.

Sunshine

The month with the least sunshine in Danville is January, with an average of 4h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Danville. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What part of the year is the coldest in Danville?

Temperature readings in Danville reach their annual highs in January, averaging 31.6°F (-0.2°C) and a minimum average of 20.5°F (-6.4°C).

How cold is it in Danville in January?

During January, Danville experiences an average high-temperature of 31.6°F (-0.2°C) and a low-temperature of 20.5°F (-6.4°C).

What is the average humidity in January in Danville?

In Danville, the average relative humidity in January is 81%.

How many days does it rain in January in Danville?

In Danville, in January, it is raining for 7.3 days, with typically 1.61" (41mm) of accumulated precipitation.

How much does it snow in Danville in January?

In Danville, during January, snow falls for 10.6 days and regularly aggregates up to 2.28" (58mm) of snow.

How many hours of daylight does Danville have in January?

In Danville, Illinois, the average day length in January is 9h and 43min.

When are sunrise and sunset in January in Danville?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 4:35 pm. On the last day of the month, in Danville, Illinois, sunrise is at 7:00 am and sunset at 5:07 pm CST.

What is the month with the least sunshine in Danville?

With an average of 4h of sunshine, January has the least sunshine of the year in Danville.

How long on average sun shines in January in Danville?

In January, the average sunshine duration in Danville, Illinois, is 4h.

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

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

How high is the UV index in January in Danville?

In Danville, Illinois, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Danville, IL

Average temperature in January - Danville, IL
  • Average high temperature in January: 31.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in January: 20.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in January
Danville, IL

Average pressure in January - Danville, IL
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Danville, IL

Average wind speed in January - Danville, IL
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in January
Danville, IL

Average humidity in January - Danville, IL
  • Average humidity in January: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Danville, IL

Average rainfall in January - Danville, IL
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

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Average rainfall days in January
Danville, IL

Average rainfall days in January - Danville, IL
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall in January
Danville, IL

Average snowfall in January - Danville, IL
  • Average snowfall in January: 2.28"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Danville, IL

Average snowfall days in January - Danville, IL
  • Average snowfall days in January: 10.6 days

The month with the highest number of snowfall days is January (10.6 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
Danville, IL

Average daylight in January / Average sunshine in January - Danville, IL
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in January
Danville, IL

Average sunshine days in January - Danville, IL
  • Average sunshine days in January: 15 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in January
Danville, IL

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

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

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Average cloud cover in January
Danville, IL

Average cloud cover in January - Danville, IL
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

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Average visibility in January
Danville, IL

Average visibility in January - Danville, IL
  • Average visibility in January: 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).

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Danville, Illinois, USA

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