Climate and monthly weather forecast
Napoleon, IN

Weather in January

January, like December, in Napoleon, Indiana, is another cold winter month, with an average temperature fluctuating between 22.8°F (-5.1°C) and 35.2°F (1.8°C). January is the coldest month, with an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 22.8°F (-5.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Napoleon, Indiana, with an average temperature fluctuating between 39.9°F (4.4°C) and 26.1°F (-3.3°C). In Napoleon, the average high-temperature in February is relatively the same as in January - a still wintry 39.9°F (4.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Napoleon, Indiana, with an average temperature fluctuating between 50.9°F (10.5°C) and 35.2°F (1.8°C). In Napoleon, the average high-temperature in March increases from a wintry 39.9°F (4.4°C) in February to a cool 50.9°F (10.5°C). Weather in March »

Weather in April

April is a comfortable spring month in Napoleon, Indiana, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 45.3°F (7.4°C). In Napoleon, the average high-temperature in April rises from a cool 50.9°F (10.5°C) in March to a comfortable 63°F (17.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Napoleon, Indiana, with an average temperature varying between 55.2°F (12.9°C) and 72.5°F (22.5°C). In May, the average high-temperature rises from an enjoyable 63°F (17.2°C) in April to an agreeable 72.5°F (22.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Napoleon, Indiana, with an average temperature varying between 80.2°F (26.8°C) and 62.4°F (16.9°C). In Napoleon, the average high-temperature in June slightly increases 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 another warm summer month in Napoleon, Indiana, with an average temperature ranging between max 82.9°F (28.3°C) and min 65.3°F (18.5°C). The warmest month is July, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.3°F (18.5°C). In July, the average heat index is computed to be a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Napoleon, is another warm month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 82°F (27.8°C). In Napoleon, the average high-temperature in August is relatively the same as in July - a still moderately hot 82°F (27.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Napoleon, Indiana, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 76.5°F (24.7°C). In Napoleon, the average high-temperature in September marginally drops 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 comfortable autumn month in Napoleon, Indiana, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 63.9°F (17.7°C). In Napoleon, the average high-temperature in October decreases 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 an average temperature fluctuating between 36.3°F (2.4°C) and 50.9°F (10.5°C). In Napoleon, the average high-temperature in November decreases 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

December, the first month of the winter in Napoleon, is also a wintry month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 29.7°F (-1.3°C). In Napoleon, the average high-temperature in December decreases 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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FAQ

What is the coldest month in Napoleon?

January is the coldest month in Napoleon, Indiana, with an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 22.8°F (-5.1°C).

How much does it rain in Napoleon?

In Napoleon, Indiana, 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 in Napoleon, Indiana.

How many days does it snow in Napoleon?

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

What is the month with the least sunshine in Napoleon?

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

What is the snowiest month in Napoleon?

February is the month with the most snowfall in Napoleon. Snow falls for 7.5 days and accumulates 2.83" (72mm) of snow.

When is Daylight Saving Time (DST) in Napoleon?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Napoleon, Indiana, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest 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?

In Napoleon, snow does not fall in May through September.

When are the longest days in Napoleon?

With an average of 14h and 53min of daylight, June has the longest days of the year in Napoleon, Indiana.

When is the highest UV index in Napoleon?

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

What is the warmest month in Napoleon?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.3°F (18.5°C), July is the warmest month in Napoleon.

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?

The least humid month in Napoleon is October, with an average relative humidity of 74%.

What is the most humid month in Napoleon?

December is the most humid month, 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 in Napoleon, Indiana, with an average of 9h and 28min of daylight.

When is 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 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

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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