Climate and monthly weather forecast
Napoleon, ND

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Weather in January

January, the same as December, in Napoleon, North Dakota, is another subzero cold winter month, with temperature in the range of an average low of 6.1°F (-14.4°C) and an average high of 20.8°F (-6.2°C). January stands out as Napoleon's coldest month, with an average high-temperature of 20.8°F (-6.2°C) and a low-temperature of 6.1°F (-14.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Napoleon, North Dakota, with temperature in the range of an average low of 7.9°F (-13.4°C) and an average high of 22.3°F (-5.4°C). In February, Napoleon experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 20.8°F (-6.2°C) in January to a still freezing cold 22.3°F (-5.4°C). Weather in February »

Weather in March

March, the first month of the spring in Napoleon, is a wintry month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 23.4°F (-4.8°C). The beginning of March marks a clear shift in the average high-temperature, advancing from February's freezing cold 22.3°F (-5.4°C) to a wintry 37.9°F (3.3°C). Weather in March »

Weather in April

April in Napoleon, North Dakota, is a cool spring month, with an average temperature ranging between max 51.8°F (11°C) and min 34.5°F (1.4°C). Napoleon experiences a temperature shift with the start of April, with average high-temperatures moving from a wintry 37.9°F (3.3°C) in March to a fresh 51.8°F (11°C). Weather in April »

Weather in May

May, the last month of the spring in Napoleon, is a refreshing month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 46.4°F (8°C). A rise in the average high-temperature is observed during May, moving from a fresh 51.8°F (11°C) in April to a comfortable 64.9°F (18.3°C). Weather in May »

Weather in June

June, the first month of the summer in Napoleon, is a moderately hot month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 75.6°F (24.2°C). June brings an increase in the average high-temperature, progressing from a refreshing 64.9°F (18.3°C) in May to a moderately hot 75.6°F (24.2°C). Weather in June »

Weather in July

July, like June, in Napoleon, North Dakota, is a moderately hot summer month, with an average temperature fluctuating between 83.7°F (28.7°C) and 61.3°F (16.3°C). July, having an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 61.3°F (16.3°C), is the warmest month. The heat index for July is calculated to be a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Napoleon, North Dakota, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 60.3°F (15.7°C). August's arrival shows an average high-temperature of a still moderately hot 82.2°F (27.9°C), hardly different from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Napoleon, is still a pleasant month, with an average temperature ranging between max 72°F (22.2°C) and min 52°F (11.1°C). As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a warm 82.2°F (27.9°C) to a pleasant 72°F (22.2°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Napoleon, North Dakota, with an average temperature varying between 54°F (12.2°C) and 38.5°F (3.6°C). October's arrival is marked by a notable drop in high-temperatures, falling from a pleasant 72°F (22.2°C) in September to a cool 54°F (12.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an icy month in Napoleon, North Dakota, with an average temperature fluctuating between 38.7°F (3.7°C) and 25.5°F (-3.6°C). In November, the meteorological conditions markedly change with the average high-temperature descending from a fresh 54°F (12.2°C) in October to a cold 38.7°F (3.7°C). Weather in November »

Weather in December

December, the first month of the winter in Napoleon, is also a subzero cold month, with an average temperature varying between 23.2°F (-4.9°C) and 11.3°F (-11.5°C). In Napoleon, the onset of December is marked by a decreased average high-temperature, declining from November's cold 38.7°F (3.7°C) to a subzero cold 23.2°F (-4.9°C). Weather in December »

Frequently asked questions

What part of the year is the coldest?

The month of January sees the average lowest temperatures, reaching 20.8°F (-6.2°C) at the peak and 6.1°F (-14.4°C) at the low.

What is the most humid month?

With an average relative humidity of 89%, January is the most humid month.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 4 days and typically collects 0.59" (15mm) of precipitation.

How many days does it rain?

Throughout the year, there are 105.9 rainfall days, and 15" (381mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Napoleon are January through May, October through December.

How many days does it snow?

In Napoleon, North Dakota, during the entire year, snow falls for 73.7 days and aggregates up to 23.11" (587mm) of snow.

What is the month with the least sunshine?

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

What are the months with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.

What is the snowiest month?

February is the month with the most snowfall in Napoleon. Snow falls for 15 days and accumulates 4.33" (110mm) 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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month?

June is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.28" (58mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 48min of daylight.

What is the hottest time of year?

In Napoleon, July is identified by the average highest temperatures, reaching a peak of 83.7°F (28.7°C) and a low of 61.3°F (16.3°C).

What month has the most sunshine?

With an average of 11.4h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the least humid month?

The least humid month is August, with an average relative humidity of 55%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 42min of daylight.

Average temperature
Napoleon, ND

Average temperature - Napoleon, ND

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (20.8°F).

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).

Average pressure
Napoleon, ND

Average pressure - Napoleon, ND

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Napoleon, ND

Average wind speed - Napoleon, ND

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity
Napoleon, ND

Average humidity - Napoleon, ND

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

Average rainfall
Napoleon, ND

Average rainfall - Napoleon, ND

The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days
Napoleon, ND

Average rainfall days - Napoleon, ND

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.4 days).

Average snowfall
Napoleon, ND

Average snowfall - Napoleon, ND

The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Napoleon, ND

Average snowfall days - Napoleon, ND

The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Napoleon, ND

Average daylight / Average sunshine - Napoleon, ND

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Napoleon, ND

Average sunshine days - Napoleon, ND

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is March (12.3 days).

Average visibility
Napoleon, ND

Average visibility - Napoleon, ND

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

Napoleon, North Dakota, USA

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