January weather forecast
Ozark, IL

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Weather in January

January, like December, in Ozark, Illinois, is an icy winter month, with an average temperature fluctuating between 40.1°F (4.5°C) and 27°F (-2.8°C).

Temperature

The month of January, characterized by an average high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C), is recognized as the coldest.

Humidity

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

Rainfall

In Ozark, in January, it is raining for 7.3 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In January, it is snowing for 3.3 days. Throughout January, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 11 snowfall days, and 1.57" (40mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 55min.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:47 pm. On the last day of January, sunrise is at 6:59 am and sunset at 5:17 pm CST.

Sunshine

The months with the least sunshine are January and February, with an average of 4.6h of sunshine.

UV index

The months with the lowest UV index in Ozark, Illinois, are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What part of the year is the coldest?

January proves to be the coldest month, recording an average maximum temperature of 40.1°F (4.5°C) and a minimum temperature of 27°F (-2.8°C).

How cold is January?

January temperatures vary between a high-temperature of 40.1°F (4.5°C) and a low-temperature of 27°F (-2.8°C).

What is the average humidity in January?

The average relative humidity in January is 76%.

How much does it rain in Ozark in January?

In Ozark, in January, it is raining for 7.3 days, with typically 0.75" (19mm) of accumulated precipitation.

How many days does it snow in January?

In Ozark, during January, snow falls for 3.3 days and regularly aggregates up to 0.35" (9mm) of snow.

How many hours of daylight does Ozark have in January?

The average day length in January is 9h and 55min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:09 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:17 pm CST.

What are the months with the least sunshine?

The months with the least sunshine are January and February, with an average of 4.6h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 4.6h.

When is the lowest UV index?

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

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Ozark, IL

Average temperature in January - Ozark, IL
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
Ozark, IL

Average pressure in January - Ozark, 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).

Average wind speed in January
Ozark, IL

Average wind speed in January - Ozark, IL
  • Average wind speed in January: 9mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in January
Ozark, IL

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

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Ozark, IL

Average rainfall in January - Ozark, IL
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in January
Ozark, IL

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

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in January
Ozark, IL

Average snowfall in January - Ozark, IL
  • Average snowfall in January: 0.35"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Ozark, IL

Average snowfall days in January - Ozark, IL
  • Average snowfall days in January: 3.3 days

The month with the highest number of snowfall days is January (3.3 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
Ozark, IL

Average daylight in January / Average sunshine in January - Ozark, 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 36min).

  • Average sunshine in January: 4h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in January
Ozark, IL

Average sunshine days in January - Ozark, IL
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in January
Ozark, IL

Average UV index in January - Ozark, 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).

Average cloud cover in January
Ozark, IL

Average cloud cover in January - Ozark, IL
  • Average cloud cover in January: 51

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in January
Ozark, IL

Average visibility in January - Ozark, 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).

Ozark, Illinois, USA

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