January weather forecast
Harley, IN

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Weather in January

January, like December, is another subzero cold winter month in Harley, Indiana, with temperature in the range of an average low of 19.4°F (-7°C) and an average high of 31.3°F (-0.4°C).

Temperature

January is the month when Harley experiences its coldest temperatures, averaging a high of 31.3°F (-0.4°C) and a low of 19.4°F (-7°C).

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Harley, in January, it is raining for 6 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, in Harley, there are 143.1 rainfall days, and 20.91" (531mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Harley, in January, during 11.5 snowfall days, 2.36" (60mm) of snow is typically accumulated. In Harley, Indiana, during the entire year, snow falls for 37.1 days and aggregates up to 8.15" (207mm) of snow.

Daylight

In Harley, Indiana, the average length of the day in January is 9h and 40min.
On the first day of the month, sunrise is at 8:09 am and sunset at 5:30 pm. On the last day of January, in Harley, sunrise is at 7:57 am and sunset at 6:02 pm EST.

Sunshine

January has the least sunshine of the year in Harley, with an average of 3.8h of sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the coldest time of year in Harley?

January is the coldest month, with the temperature often reaching an average high of 31.3°F (-0.4°C) and an average low of 19.4°F (-7°C).

How cold is January in Harley?

An average high-temperature, in January, in Harley, is 31.3°F (-0.4°C) and the average low-temperature is 19.4°F (-7°C).

What is the average humidity in January in Harley?

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

How much does it rain in Harley in January?

In January, in Harley, Indiana, the rain falls for 6 days. Throughout January, 1.34" (34mm) of precipitation is accumulated.

How much does it snow in Harley in January?

In January, in Harley, it is snowing for 11.5 days. Throughout January, 2.36" (60mm) of snow is accumulated.

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

In January, the average day length in Harley is 9h and 40min.

When is the sunrise / sunset in January in Harley?

On the first day of January, sunrise is at 8:09 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 6:02 pm EST.

What is the month with the least sunshine in Harley?

January has the least sunshine of the year, with an average of 3.8h of sunshine.

How many hours of sunshine does Harley have in January?

In January, the average sunshine duration in Harley, Indiana, is 3.8h.

What is the UV index intensity in January in Harley?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Harley, IN

Average temperature in January - Harley, IN
  • Average high temperature in January: 31.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in January: 19.4°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in January
Harley, IN

Average pressure in January - Harley, IN
  • Average pressure in January: 30.12"Hg

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Harley, IN

Average wind speed in January - Harley, IN
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in January
Harley, IN

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

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
Harley, IN

Average rainfall in January - Harley, IN
  • Average rainfall in January: 1.34"

The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is December (1.18").

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Average rainfall days in January
Harley, IN

Average rainfall days in January - Harley, IN
  • Average rainfall days in January: 6 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6 days).

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Average snowfall in January
Harley, IN

Average snowfall in January - Harley, IN
  • Average snowfall in January: 2.36"

The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Harley, IN

Average snowfall days in January - Harley, IN
  • Average snowfall days in January: 11.5 days

The month with the highest number of snowfall days is January (11.5 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
Harley, IN

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

  • Average sunshine in January: 3h and 5min

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: 3h and 48min).

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Average sunshine days in January
Harley, IN

Average sunshine days in January - Harley, IN
  • Average sunshine days in January: 16 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in January
Harley, IN

Average UV index in January - Harley, 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
Harley, IN

Average cloud cover in January - Harley, IN
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 33).

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Average visibility in January
Harley, IN

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

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