Climate and monthly weather forecast
Napoleon, IN

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Weather in January

January, the same as December, is another cold winter month in Napoleon, Indiana, with an average temperature varying between 22.8°F (-5.1°C) and 35.2°F (1.8°C). Napoleon experiences its lowest average temperatures in January, reaching a peak of 35.2°F (1.8°C) and a minimum of 22.8°F (-5.1°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Napoleon, Indiana, with an average temperature fluctuating between 26.1°F (-3.3°C) and 39.9°F (4.4°C). Napoleon's average high-temperature in February is a still icy 39.9°F (4.4°C), marking an insignificant difference from the 35.2°F (1.8°C) of January. Weather in February »

Weather in March

March, the first month of the spring in Napoleon, is a cool month, with an average temperature ranging between max 50.9°F (10.5°C) and min 35.2°F (1.8°C). March brings an increase in the average high-temperature, progressing from an icy 39.9°F (4.4°C) in February to a fresh 50.9°F (10.5°C). Weather in March »

Weather in April

April in Napoleon, Indiana, is an enjoyable spring month, with an average temperature ranging between max 63°F (17.2°C) and min 45.3°F (7.4°C). April shows a rise in the average high-temperature, moving from March's cool 50.9°F (10.5°C) to an enjoyable 63°F (17.2°C). Weather in April »

Weather in May

May, the last month of the spring in Napoleon, is a pleasant month, with an average temperature ranging between min 55.2°F (12.9°C) and max 72.5°F (22.5°C). The shift into May is marked by a rise in the average high-temperature, moving from April's comfortable 63°F (17.2°C) to an agreeable 72.5°F (22.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Napoleon, Indiana, with an average temperature ranging between min 62.4°F (16.9°C) and max 80.2°F (26.8°C). Napoleon's weather in June presents a minor rise in the average high-temperature, moving from a pleasant 72.5°F (22.5°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Napoleon, Indiana, with an average temperature varying between 82.9°F (28.3°C) and 65.3°F (18.5°C). In Napoleon, the highest average temperatures are observed in July, with a high of 82.9°F (28.3°C) and a low of 65.3°F (18.5°C). July's average heat index is evaluated at a hot 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Napoleon, Indiana, with an average temperature ranging between max 82°F (27.8°C) and min 63.3°F (17.4°C). The beginning of August reveals an average high-temperature of a still moderately hot 82°F (27.8°C), showing minimal deviation from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Napoleon, is also a moderately hot month, with an average temperature ranging between min 58.3°F (14.6°C) and max 76.5°F (24.7°C). The arrival of September is marked by a minor reduction in average high-temperature, sliding from 82°F (27.8°C) in August to a still warm 76.5°F (24.7°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Napoleon, Indiana, with an average temperature fluctuating between 63.9°F (17.7°C) and 46.9°F (8.3°C). October's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 76.5°F (24.7°C) in September to an enjoyable 63.9°F (17.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Napoleon, Indiana, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 36.3°F (2.4°C). The arrival of November signals a shift in temperature, down from a comfortable 63.9°F (17.7°C) in October to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Napoleon, Indiana, with an average temperature fluctuating between 29.7°F (-1.3°C) and 40.6°F (4.8°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a fresh 50.9°F (10.5°C) in November to a wintry 40.6°F (4.8°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Napoleon?

January, with average temperatures reaching a high of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C), is the coldest month.

How many days does it rain in Napoleon?

In Napoleon, during the entire year, the rain falls for 169.3 days and collects up to 36.18" (919mm) of precipitation.

When does it snow in Napoleon?

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

How many days does it snow in Napoleon?

Throughout the year, in Napoleon, Indiana, there are 31.2 snowfall days, and 11.42" (290mm) of snow is accumulated.

What is the month with the least sunshine in Napoleon?

January has the least sunshine of the year in Napoleon, with an average of 4h of sunshine.

When does it snow the most in Napoleon?

The month with the most snowfall in Napoleon is February, when snow falls for 7.5 days and typically aggregates up to 2.83" (72mm) of snow.

When is Daylight Saving Time (DST) in Napoleon?

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 in Napoleon?

The month with the most rainfall in Napoleon is April, when the rain falls for 16.8 days and typically aggregates up to 4.09" (104mm) of precipitation.

When it does not snow in Napoleon?

May through September are months without snowfall in Napoleon, Indiana.

When are the longest days in Napoleon?

June has the longest days of the year in Napoleon, Indiana, with an average of 14h and 54min of daylight.

What are the months with the highest UV index in Napoleon?

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

What time of the year is the hottest in Napoleon?

July is the month when Napoleon's temperatures reach their peak, with averages of 82.9°F (28.3°C) and lows of 65.3°F (18.5°C).

What month has the most sunshine in Napoleon?

July has the most sunshine of the year in Napoleon, with an average of 10.2h of sunshine.

What is the driest month in Napoleon?

September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 2.24" (57mm) of precipitation.

What is the least humid month in Napoleon?

October is the least humid month, with an average relative humidity of 74%.

What is the most humid month in Napoleon?

The most humid month is December, with an average relative humidity of 82%.

What is the month with the shortest days in Napoleon?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the month with the lowest UV index in Napoleon?

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

Average temperature
Napoleon, IN

Average temperature - Napoleon, IN

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.2°F).

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure
Napoleon, IN

Average pressure - Napoleon, IN

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Napoleon, IN

Average wind speed - Napoleon, IN

The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average rainfall
Napoleon, IN

Average rainfall - Napoleon, IN

The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days
Napoleon, IN

Average rainfall days - Napoleon, IN

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall
Napoleon, IN

Average snowfall - Napoleon, IN

The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Napoleon, IN

Average snowfall days - Napoleon, IN

The month with the highest number of snowfall days is January (8.1 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
Napoleon, IN

Average daylight / Average sunshine - Napoleon, IN

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days
Napoleon, IN

Average sunshine days - Napoleon, IN

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.8 days).

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Average visibility
Napoleon, IN

Average visibility - Napoleon, IN

The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).

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Napoleon, Indiana, USA

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