January weather forecast
Gladstone, IL

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Weather in January

January, the same as December, in Gladstone, Illinois, is another subzero cold winter month, with an average temperature ranging between min 17.8°F (-7.9°C) and max 29.7°F (-1.3°C).

Temperature

January, noted for its average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.8°F (-7.9°C), is considered the coldest month.

Humidity

The average relative humidity in January in Gladstone is 81%.

Rainfall

The months with the least rainfall are January and December Rain falls for 6.1 days and accumulates 1.46" (37mm) of rain.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.8 days and typically aggregates up to 4.06" (103mm) of snow.

Daylight

The average length of the day in January is 9h and 38min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:19 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.1h of sunshine.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 1 in January translates into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What are the coldest months?

With average high temperatures of 29.7°F (-1.3°C) and lows of 17.8°F (-7.9°C), January is the coldest month.

How cold is it in January?

In Gladstone, 29.7°F (-1.3°C) is the average high-temperature and 17.8°F (-7.9°C) is the average low-temperature during January.

What is the average humidity in January?

The average relative humidity in January is 81%.

What is the driest month?

January and December are months with the least rain when the rain falls for 6.1 days and typically aggregates up to 1.46" (37mm) of rain.

How much does it rain in January?

In January, the rain falls for 6.1 days. Throughout January, 1.46" (37mm) of precipitation is accumulated.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 10.8 days and accumulates 4.06" (103mm) of snow.

How much does it snow in Gladstone in January?

In Gladstone, in January, snow falls for 10.8 days, with typically accumulated 4.06" (103mm) of snow.

What is the average length of the day in January?

The average day length in January is 9h and 38min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:19 pm CST.

What is the month with the least sunshine in Gladstone?

January has the least sunshine of the year, with an average of 4.1h of sunshine.

How many hours of sunshine does Gladstone have in January?

In Gladstone, the average sunshine duration in January is 4.1h.

What is the month with the lowest UV index?

January is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index reading in January?

In Gladstone, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from 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
Gladstone, IL

Average temperature in January - Gladstone, IL
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in January: 17.8°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 (17.8°F).

Average pressure in January
Gladstone, IL

Average pressure in January - Gladstone, 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 (29.9"Hg).

Average wind speed in January
Gladstone, IL

Average wind speed in January - Gladstone, IL
  • Average wind speed in January: 10.6mph

The windiest months (with the highest average wind speed) are January and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in January
Gladstone, IL

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

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Gladstone, IL

Average rainfall in January - Gladstone, IL
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are January and December (1.46").

Average rainfall days in January
Gladstone, IL

Average rainfall days in January - Gladstone, IL
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in January
Gladstone, IL

Average snowfall in January - Gladstone, IL
  • Average snowfall in January: 4.06"

The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Gladstone, IL

Average snowfall days in January - Gladstone, IL
  • Average snowfall days in January: 10.8 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Gladstone, 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 18min).

  • Average sunshine in January: 4h and 1min

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

Average sunshine days in January
Gladstone, IL

Average sunshine days in January - Gladstone, IL
  • Average sunshine days in January: 15.2 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in January
Gladstone, IL

Average UV index in January - Gladstone, IL
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in January
Gladstone, IL

Average cloud cover in January - Gladstone, IL
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in January
Gladstone, IL

Average visibility in January - Gladstone, 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).

Gladstone, Illinois, USA

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