January weather forecast
Troy Grove, IL

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Weather in January

January, the same as December, in Troy Grove, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 28.6°F (-1.9°C).

Temperature

January, noted for its average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 16.7°F (-8.5°C), is considered the coldest month.

Humidity

In January, the average relative humidity is 83%.

Rainfall

The months with the least rainfall in Troy Grove are January, February, November and December Rain falls for 3.6 days and accumulates 0.51" (13mm) of rain.

Snowfall

January through April, October through December are months with snowfall in Troy Grove. The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 0.98" (25mm) of snow.

Daylight

In January, the average length of the day is 9h and 35min.
On the first day of January in Troy Grove, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:10 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.7h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 1 in January suggests the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What month is the coldest in Troy Grove?

January is the coldest month in Troy Grove, with the temperature often reaching an average high of 28.6°F (-1.9°C) and an average low of 16.7°F (-8.5°C).

How cold is it in Troy Grove in January?

In Troy Grove, 28.6°F (-1.9°C) is the average high-temperature and 16.7°F (-8.5°C) is the average low-temperature during January.

What is the average humidity in January in Troy Grove?

In Troy Grove, the average relative humidity in January is 83%.

What is the driest month in Troy Grove?

The months with the least rainfall are January, February, November and December Rain falls for 3.6 days and accumulates 0.51" (13mm) of rain.

How many days does it rain in January in Troy Grove?

In Troy Grove, Illinois, during January, the rain falls for 3.6 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When does it snow the most in Troy Grove?

January is the month with the most snowfall in Troy Grove, Illinois. Snow falls for 8.6 days and accumulates 0.98" (25mm) of snow.

How many days does it snow in January in Troy Grove?

In Troy Grove, Illinois, during January, snow falls for 8.6 days and regularly aggregates up to 0.98" (25mm) of snow.

What is the average length of the day in January in Troy Grove?

In January, the average day length in Troy Grove is 9h and 35min.

When is the sunrise / sunset in January in Troy Grove?

On the first day of January in Troy Grove, Illinois, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in Troy Grove?

January has the least sunshine of the year in Troy Grove, Illinois, with an average of 3.7h of sunshine.

How many hours of sunshine does Troy Grove have in January?

In Troy Grove, the average sunshine duration in January is 3.7h.

When is the lowest UV index in Troy Grove?

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

What is the UV index intensity in January in Troy Grove?

In January, the average daily maximum UV index is 1. 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
Troy Grove, IL

Average temperature in January - Troy Grove, IL
  • Average high temperature in January: 28.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in January: 16.7°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in January
Troy Grove, IL

Average pressure in January - Troy Grove, IL
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Troy Grove, IL

Average wind speed in January - Troy Grove, IL
  • Average wind speed in January: 10.2mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in January
Troy Grove, IL

Average humidity in January - Troy Grove, IL
  • Average humidity in January: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Troy Grove, IL

Average rainfall in January - Troy Grove, IL
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").

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Average rainfall days in January
Troy Grove, IL

Average rainfall days in January - Troy Grove, IL
  • Average rainfall days in January: 3.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in January
Troy Grove, IL

Average snowfall in January - Troy Grove, IL
  • Average snowfall in January: 0.98"

The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Troy Grove, IL

Average snowfall days in January - Troy Grove, IL
  • Average snowfall days in January: 8.6 days

The month with the highest number of snowfall days is January (8.6 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
Troy Grove, IL

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

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 January: 3h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Troy Grove, IL

Average sunshine days in January - Troy Grove, IL
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in January
Troy Grove, IL

Average UV index in January - Troy Grove, IL
  • Average UV index in January: 1

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

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Average cloud cover in January
Troy Grove, IL

Average cloud cover in January - Troy Grove, IL
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).

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Average visibility in January
Troy Grove, IL

Average visibility in January - Troy Grove, 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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Troy Grove, Illinois, USA

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