Climate and monthly weather forecast
Hillsboro, IN

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Weather in January

January, like December, in Hillsboro, Indiana, is an icy winter month, with an average temperature fluctuating between 32.2°F (0.1°C) and 20.5°F (-6.4°C). Hillsboro, Indiana, experiences its lowest temperatures in January, with an average peak of 32.2°F (0.1°C) and a low of 20.5°F (-6.4°C). Weather in January »

Weather in February

February, the last month of the winter in Hillsboro, is also an icy month, with an average temperature varying between 37°F (2.8°C) and 24.1°F (-4.4°C). February's advent denotes a minor fluctuation in the average high-temperature to a still wintry 37°F (2.8°C) from January's 32.2°F (0.1°C). Weather in February »

Weather in March

March, the first month of the spring in Hillsboro, is a chilly month, with an average temperature ranging between min 34.9°F (1.6°C) and max 49.5°F (9.7°C). March's arrival coincides with a temperature rise, moving from February's cold 37°F (2.8°C) to a chilly 49.5°F (9.7°C). Weather in March »

Weather in April

April in Hillsboro, Indiana, is a refreshing spring month, with an average temperature fluctuating between 45°F (7.2°C) and 61°F (16.1°C). With the onset of April, Hillsboro's average high-temperature sees a rise, moving from March's frosty 49.5°F (9.7°C) to an enjoyable 61°F (16.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Hillsboro, Indiana, with an average temperature fluctuating between 71.8°F (22.1°C) and 54.9°F (12.7°C). Hillsboro sees a rise in temperature during May, with average high-temperatures transitioning from an enjoyable 61°F (16.1°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Hillsboro, Indiana, with an average temperature fluctuating between 79.7°F (26.5°C) and 63.1°F (17.3°C). June showcases a minor temperature ascent, adjusting from May's pleasant 71.8°F (22.1°C) to a warm 79.7°F (26.5°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Hillsboro, Indiana, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 64.6°F (18.1°C). July, marked by an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 64.6°F (18.1°C), is the warmest month. The heat index for July is estimated at a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hillsboro, Indiana, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.4°F (26.9°C). The onset of August brings with it an average high-temperature of a still warm 80.4°F (26.9°C), showing a negligible variation from the month before. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Hillsboro, Indiana, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 57.6°F (14.2°C). As Hillsboro welcomes September, the average high-temperature records at a still warm 75.9°F (24.4°C), marking an insignificant deviation from the prior month. Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Hillsboro, Indiana, with an average temperature varying between 47.1°F (8.4°C) and 63.3°F (17.4°C). With the beginning of October, the average high-temperature shows a decrease, transitioning from a moderately hot 75.9°F (24.4°C) in September to a refreshing 63.3°F (17.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Hillsboro, Indiana, with an average temperature ranging between max 49.1°F (9.5°C) and min 35.6°F (2°C). Hillsboro in November demonstrates a small temperature transition, adjusting from an average high of a refreshing 63.3°F (17.4°C) in October to a frosty 49.1°F (9.5°C). Weather in November »

Weather in December

December, the first month of the winter in Hillsboro, is also a wintry month, with an average temperature fluctuating between 37.6°F (3.1°C) and 27.5°F (-2.5°C). As December begins, there is a decrease in the average high-temperature, falling from a frosty 49.1°F (9.5°C) in November to a cold 37.6°F (3.1°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Hillsboro?

Temperature records in Hillsboro mark January as the coldest month, with highs averaging 32.2°F (0.1°C) and lows at 20.5°F (-6.4°C).

How many days does it rain in Hillsboro?

Throughout the year, in Hillsboro, there are 142.3 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

When does it snow in Hillsboro?

Months with snowfall in Hillsboro are January through April, November and December.

How many days does it snow in Hillsboro?

Throughout the year, in Hillsboro, there are 30.7 snowfall days, and 7.91" (201mm) of snow is accumulated.

What is the month with the least sunshine in Hillsboro?

With an average of 4.2h of sunshine, January has the least sunshine of the year in Hillsboro, Indiana.

When is the lowest UV index in Hillsboro?

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

What is the snowiest month in Hillsboro?

The month with the most snowfall is February, when snow falls for 8.1 days and typically aggregates up to 2.52" (64mm) of snow.

When is Daylight Saving Time (DST) in Hillsboro?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hillsboro, 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 in Hillsboro?

May is the month with the most rainfall in Hillsboro, Indiana. Rain falls for 17.1 days and accumulates 2.76" (70mm) of precipitation.

When it does not snow in Hillsboro?

May through October are months without snowfall in Hillsboro.

When are the longest days in Hillsboro?

The month with the longest days in Hillsboro is June, with an average of 15h and 0min of daylight.

What month has the most sunshine in Hillsboro?

June has the most sunshine of the year in Hillsboro, with an average of 10.2h of sunshine.

What is the month with the highest UV index in Hillsboro?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the hottest time of year in Hillsboro?

The average temperatures reach their apex in July, averaging 81.7°F (27.6°C) at the high end and 64.6°F (18.1°C) at the low end.

What is the most humid month in Hillsboro?

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

What is the driest month in Hillsboro?

The month with the least rainfall in Hillsboro, Indiana, is September, when the rain falls for 11 days and typically collects 1.22" (31mm) of precipitation.

What is the least humid month in Hillsboro?

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

What is the month with the shortest days in Hillsboro?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

Average temperature
Hillsboro, IN

Average temperature - Hillsboro, IN

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).

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure
Hillsboro, IN

Average pressure - Hillsboro, IN

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Hillsboro, IN

Average wind speed - Hillsboro, 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).

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Average rainfall
Hillsboro, IN

Average rainfall - Hillsboro, IN

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days
Hillsboro, IN

Average rainfall days - Hillsboro, IN

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall
Hillsboro, IN

Average snowfall - Hillsboro, IN

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Hillsboro, IN

Average snowfall days - Hillsboro, IN

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Hillsboro, IN

Average daylight / Average sunshine - Hillsboro, 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 24min).

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days
Hillsboro, IN

Average sunshine days - Hillsboro, IN

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index
Hillsboro, IN

Average UV index - Hillsboro, IN

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Hillsboro, IN

Average visibility - Hillsboro, 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).

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Hillsboro, Indiana, USA

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