January weather forecast
Zionsville, IN

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Weather in January

January, the same as December, is a wintry winter month in Zionsville, Indiana, with an average temperature ranging between min 20.3°F (-6.5°C) and max 32.2°F (0.1°C).

Temperature

Zionsville notes the coldest temperatures in January, with a high average of 32.2°F (0.1°C) and a low of 20.3°F (-6.5°C).

Humidity

In Zionsville, the average relative humidity in January is 82%.

Rainfall

In Zionsville, Indiana, during January, the rain falls for 5.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Zionsville, during the entire year, the rain falls for 121.7 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Zionsville, Indiana, is January, when snow falls for 7.3 days and typically aggregates up to 1.06" (27mm) of snow.

Daylight

In Zionsville, the average length of the day in January is 9h and 43min.
On the first day of January in Zionsville, sunrise is at 8:06 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:02 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.9h of sunshine.

UV index

In Zionsville, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the coldest months in Zionsville?

January brings the lowest temperatures in Zionsville, Indiana, with an average high of 32.2°F (0.1°C) and an average low of 20.3°F (-6.5°C).

How cold is January in Zionsville?

January temperatures in Zionsville vary between a high-temperature of 32.2°F (0.1°C) and a low-temperature of 20.3°F (-6.5°C).

What is the average humidity in January in Zionsville?

In Zionsville, Indiana, the average relative humidity in January is 82%.

How many days does it rain in January in Zionsville?

In Zionsville, in January, during 5.9 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

What is the snowiest month in Zionsville?

The month with the most snowfall in Zionsville is January, when snow falls for 7.3 days and typically aggregates up to 1.06" (27mm) of snow.

How much does it snow in Zionsville in January?

In Zionsville, Indiana, during January, snow falls for 7.3 days and regularly aggregates up to 1.06" (27mm) of snow.

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

The average day length in January is 9h and 43min.

When are sunrise and sunset in January in Zionsville?

In January, on the first day of the month, sunrise is at 8:06 am and sunset at 5:30 pm. On the last day of the month, in Zionsville, sunrise is at 7:54 am and sunset at 6:02 pm EST.

What is the month with the least sunshine in Zionsville?

With an average of 3.9h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Zionsville?

The average sunshine duration in January is 3.9h.

What is the UV index reading in January in Zionsville?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents 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
Zionsville, IN

Average temperature in January - Zionsville, IN
  • Average high temperature in January: 32.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in January: 20.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in January
Zionsville, IN

Average pressure in January - Zionsville, IN
  • Average pressure in January: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Zionsville, IN

Average wind speed in January - Zionsville, IN
  • Average wind speed in January: 10.1mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in January
Zionsville, IN

Average humidity in January - Zionsville, IN
  • Average humidity in January: 82%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Zionsville, IN

Average rainfall in January - Zionsville, IN
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in January
Zionsville, IN

Average rainfall days in January - Zionsville, IN
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in January
Zionsville, IN

Average snowfall in January - Zionsville, IN
  • Average snowfall in January: 1.06"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Zionsville, IN

Average snowfall days in January - Zionsville, IN
  • Average snowfall days in January: 7.3 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Zionsville, IN

Average daylight in January / Average sunshine in January - Zionsville, IN
  • 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: 3h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Zionsville, IN

Average sunshine days in January - Zionsville, IN
  • Average sunshine days in January: 19 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in January
Zionsville, IN

Average UV index in January - Zionsville, IN
  • Average UV index in January: 2

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

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Average cloud cover in January
Zionsville, IN

Average cloud cover in January - Zionsville, IN
  • 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 August (Cloud cover 31).

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Average visibility in January
Zionsville, IN

Average visibility in January - Zionsville, IN
  • 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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Zionsville, Indiana, USA

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