Climate and monthly weather forecast
Harley Siding, IN

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Weather in January

January, the same as December, in Harley Siding, Indiana, is a freezing cold winter month, with an average temperature varying between 31.3°F (-0.4°C) and 19.4°F (-7°C). Harley Siding's temperature records reveal January as the coldest month, marked by average highs of 31.3°F (-0.4°C) and lows of 19.4°F (-7°C). Weather in January »

Weather in February

The last month of the winter, February, is a wintry month in Harley Siding, Indiana, with an average temperature ranging between max 36.1°F (2.3°C) and min 23.2°F (-4.9°C). Harley Siding notes an average high-temperature of a wintry 36.1°F (2.3°C) in February, displaying minor variation from January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Harley Siding, Indiana, with temperature in the range of an average high of 48.2°F (9°C) and an average low of 33.4°F (0.8°C). March's arrival is marked by an increase in the average high-temperature, moving from a cold 36.1°F (2.3°C) in February to a chilly 48.2°F (9°C). Weather in March »

Weather in April

April is a mild spring month in Harley Siding, Indiana, with an average temperature fluctuating between 43.7°F (6.5°C) and 60.1°F (15.6°C). With the onset of April, Harley Siding sees a temperature rise, with the average high-temperature moving from March's chilly 48.2°F (9°C) to a refreshing 60.1°F (15.6°C). Weather in April »

Weather in May

May, the last month of the spring in Harley Siding, is a pleasant month, with an average temperature fluctuating between 54.7°F (12.6°C) and 71.6°F (22°C). As April transitions into May, Harley Siding sees a rise in the average high-temperature, moving from a mild 60.1°F (15.6°C) to a pleasant 71.6°F (22°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Harley Siding, Indiana, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.2°F (16.8°C). Harley Siding's transition into June brings a slight rise in the average high-temperature, moving from an agreeable 71.6°F (22°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Harley Siding, Indiana, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 81°F (27.2°C). July is the month when Harley Siding, Indiana, experiences its warmest temperatures, averaging a high of 81°F (27.2°C) and a low of 64°F (17.8°C). July's heat index is computed to be a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Harley Siding, Indiana, with an average temperature fluctuating between 62.2°F (16.8°C) and 79.7°F (26.5°C). The average high-temperature during August is a still warm 79.7°F (26.5°C), almost matching the conditions of the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Harley Siding, Indiana, with an average temperature fluctuating between 56.8°F (13.8°C) and 75°F (23.9°C). The average high-temperature for September is a still moderately hot 75°F (23.9°C), closely aligning with the temperature of the preceding month. Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Harley Siding, Indiana, with an average temperature fluctuating between 62.4°F (16.9°C) and 46.6°F (8.1°C). In Harley Siding, the beginning of October is marked by a lowered average high-temperature, shifting from September's moderately hot 75°F (23.9°C) to a refreshing 62.4°F (16.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Harley Siding, Indiana, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 48.2°F (9°C). Harley Siding's weather in November involves a decrease in the average high-temperature, moving down from October's enjoyable 62.4°F (16.9°C) to a frosty 48.2°F (9°C). Weather in November »

Weather in December

December, the first month of the winter in Harley Siding, is also an icy month, with an average temperature varying between 27.1°F (-2.7°C) and 37°F (2.8°C). The onset of December brings a small change in high-temperatures, falling from a frosty 48.2°F (9°C) in November to a cold 37°F (2.8°C). Weather in December »

Frequently asked questions

What is the coldest month?

January tends to be the coldest month, with temperatures averaging a daily high of 31.3°F (-0.4°C) and a low of 19.4°F (-7°C).

How many days does it rain?

In Harley Siding, during the entire year, the rain falls for 143.1 days and collects up to 20.91" (531mm) of precipitation.

When does it snow?

January through April, October through December are months with snowfall.

How much does it snow?

Throughout the year, in Harley Siding, there are 37.1 snowfall days, and 8.15" (207mm) of snow is accumulated.

What is the month with the least sunshine?

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

When does it snow the most?

The month with the most snowfall is February, when snow falls for 8.7 days and typically aggregates up to 2.44" (62mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the wettest month?

April is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.64" (67mm) of precipitation.

When it does not snow?

In Harley Siding, snow does not fall in May through September.

When are the longest days in Harley Siding?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What is the month with the most sunshine?

June and July, with an average of 10h of sunshine, are months with the most sunshine.

What are the months with the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What part of the year is the hottest?

July tends to be the warmest month, with temperatures averaging a daily high of 81°F (27.2°C) and a low of 64°F (17.8°C).

What is the most humid month?

The most humid month is July, with an average relative humidity of 84%.

What is the least humid month in Harley Siding?

October is the least humid month, with an average relative humidity of 72%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 8.6 days and accumulates 1.18" (30mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the month with the lowest UV index?

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

Average temperature
Harley Siding, IN

Average temperature - Harley Siding, IN

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).

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).

Average pressure
Harley Siding, IN

Average pressure - Harley Siding, IN

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).

Average wind speed
Harley Siding, IN

Average wind speed - Harley Siding, IN

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).

Average humidity
Harley Siding, IN

Average humidity - Harley Siding, IN

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Harley Siding, IN

Average rainfall - Harley Siding, IN

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

Average rainfall days
Harley Siding, IN

Average rainfall days - Harley Siding, IN

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).

Average snowfall
Harley Siding, IN

Average snowfall - Harley Siding, IN

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

Average snowfall days
Harley Siding, IN

Average snowfall days - Harley Siding, IN

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).

Average daylight / Average sunshine
Harley Siding, IN

Average daylight / Average sunshine - Harley Siding, IN

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).

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).

Average sunshine days
Harley Siding, IN

Average sunshine days - Harley Siding, IN

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

Average visibility
Harley Siding, IN

Average visibility - Harley Siding, IN

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).

Harley Siding, Indiana, USA

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