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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Napoleon, Ohio, is another subzero cold winter month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 19.2°F (-7.1°C). Napoleon's coldest month, January, registers temperatures that range from a high of 30.6°F (-0.8°C) to a low of 19.2°F (-7.1°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Napoleon, Ohio, with an average temperature fluctuating between 21.6°F (-5.8°C) and 34°F (1.1°C). Napoleon signifies an average high-temperature of a cold 34°F (1.1°C) in February, closely mirroring the 30.6°F (-0.8°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Napoleon, is a chilly month, with an average temperature fluctuating between 45.3°F (7.4°C) and 30.7°F (-0.7°C). March shows a rise in the average high-temperature, moving from February's cold 34°F (1.1°C) to a frosty 45.3°F (7.4°C). Weather in March »
Weather in April
April in Napoleon, Ohio, is a moderate spring month, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 41°F (5°C). In Napoleon, the average high-temperature in April rises, from a chilly 45.3°F (7.4°C) in March, to a mild 57.7°F (14.3°C). Weather in April »
Weather in May
May, the last month of the spring in Napoleon, is an agreeable month, with an average temperature varying between 69.6°F (20.9°C) and 52.7°F (11.5°C). The shift into May is marked by a rise in the average high-temperature, moving from April's refreshing 57.7°F (14.3°C) to a pleasant 69.6°F (20.9°C). Weather in May »
Weather in June
June, the first month of the summer in Napoleon, is a moderately hot month, with an average temperature ranging between max 77.5°F (25.3°C) and min 60.3°F (15.7°C). The coming of June brings a minor shift in Napoleon's weather, with average high-temperatures adjusting from May's pleasant 69.6°F (20.9°C) to a moderately hot 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Napoleon, Ohio, with an average temperature ranging between min 63.3°F (17.4°C) and max 80.8°F (27.1°C). With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 63.3°F (17.4°C), July is the warmest month. In July, the heat index is evaluated at a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Napoleon, Ohio, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 78.8°F (26°C). August denotes a minimal variation in the average high-temperature to a still moderately hot 78.8°F (26°C) from July's 80.8°F (27.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Napoleon, Ohio, with an average temperature varying between 73.9°F (23.3°C) and 55.6°F (13.1°C). Napoleon notes an average high-temperature of a still moderately hot 73.9°F (23.3°C) in September, hardly diverging from August. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Napoleon, Ohio, with an average temperature varying between 61.5°F (16.4°C) and 45.9°F (7.7°C). Napoleon in October demonstrates a small temperature transition, adjusting from an average high of a warm 73.9°F (23.3°C) in September to a refreshing 61.5°F (16.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Napoleon, is also a frosty month, with an average temperature varying between 47.3°F (8.5°C) and 34.9°F (1.6°C). The start of November involves a temperature drop, moving from an enjoyable 61.5°F (16.4°C) in October to a frosty 47.3°F (8.5°C). Weather in November »
Weather in December
December, the first month of the winter in Napoleon, is also a wintry month, with an average temperature varying between 27°F (-2.8°C) and 36.1°F (2.3°C). The arrival of December indicates a decrease in the average high-temperature, moving from a chilly 47.3°F (8.5°C) in November to a wintry 36.1°F (2.3°C). Weather in December »
Updated: Jul 7, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Napoleon notes the coldest temperatures in January, with a average high of 30.6°F (-0.8°C) and a low of 19.2°F (-7.1°C).
What are the most humid months in Napoleon?
January and February, with an average relative humidity of 84%, are most humid months.
How many days does it rain?
In Napoleon, during the entire year, the rain falls for 165.5 days and collects up to 27.24" (692mm) of precipitation.
When does it snow?
Months with snowfall are January through May, November and December.
How much does it snow?
In Napoleon, Ohio, during the entire year, snow falls for 52.7 days and aggregates up to 15.24" (387mm) of snow.
What is the month with the least sunshine?
With an average of 3.3h of sunshine, January has the least sunshine of the year.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 12.8 days and typically aggregates up to 4.09" (104mm) 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 rainiest month?
April is the month with the most rainfall. Rain falls for 16.1 days and accumulates 3.15" (80mm) of precipitation.
When it does not snow?
In Napoleon, snow does not fall in June through October.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
When is the highest UV index?
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?
Napoleon registers the average highest temperatures during July, with peaks of 80.8°F (27.1°C) and lows of 63.3°F (17.4°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.2h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 74%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 11 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Napoleon, OH
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure
Napoleon, OH
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Napoleon, OH
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.4mph
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 (6mph).
Average humidity
Napoleon, OH
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Napoleon, OH
- Average rainfall in January:
1.73" - Average rainfall in February:
1.69" - Average rainfall in March:
2.17" - Average rainfall in April:
3.15" - Average rainfall in May:
2.87" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.64" - Average rainfall in September:
1.69" - Average rainfall in October:
2.01" - Average rainfall in November:
1.85" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days
Napoleon, OH
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.6 days).
Average snowfall
Napoleon, OH
- Average snowfall in January:
3.94" - Average snowfall in February:
4.09" - Average snowfall in March:
1.54" - Average snowfall in April:
0.94" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Napoleon, OH
- Average snowfall days in January:
14.7 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
1.6 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
4.9 days - Average snowfall days in December:
11.8 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Napoleon, OH
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Napoleon, OH
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
10 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
15.2 days - Average sunshine days in December:
11.9 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (9.3 days).
Average UV index
Napoleon, OH
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Napoleon, OH
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Napoleon, OH
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Napoleon, Ohio, USA
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