Climate and monthly weather forecast
Decatur, NE

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Weather in January

January, the same as December, in Decatur, Nebraska, is another subzero cold winter month, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 28°F (-2.2°C). January is Decatur's coldest month, registering average high temperatures of 28°F (-2.2°C) and lows of 15.1°F (-9.4°C). Weather in January »

Weather in February

February, the last month of the winter in Decatur, is a cold month, with an average temperature ranging between max 32.2°F (0.1°C) and min 18.3°F (-7.6°C). The shift into February reveals an average high-temperature of a cold 32.2°F (0.1°C), closely mirroring January's climate. Weather in February »

Weather in March

March, the first month of the spring in Decatur, is a chilly month, with an average temperature fluctuating between 47.8°F (8.8°C) and 31.8°F (-0.1°C). The average high-temperature exhibits a considerable increase in March, surging from a wintry 32.2°F (0.1°C) in February to a frosty 47.8°F (8.8°C). Weather in March »

Weather in April

April in Decatur, Nebraska, is a moderate spring month, with an average temperature fluctuating between 59.4°F (15.2°C) and 42.1°F (5.6°C). The start of April signals an increase in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in March to a moderate 59.4°F (15.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Decatur, Nebraska, with an average temperature ranging between min 53.2°F (11.8°C) and max 70.3°F (21.3°C). With the onset of May, Decatur experiences a temperature shift, with the average high-temperature moving from a refreshing 59.4°F (15.2°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Decatur, Nebraska, with an average temperature fluctuating between 80.2°F (26.8°C) and 63.1°F (17.3°C). Decatur experiences a temperature shift with the start of June, with average high-temperatures moving from an agreeable 70.3°F (21.3°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 Decatur, Nebraska, with an average temperature varying between 83.8°F (28.8°C) and 65.5°F (18.6°C). The month of July, characterized by an average high of 83.8°F (28.8°C) and a low of 65.5°F (18.6°C), is recognized as the warmest. Throughout July, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Decatur, Nebraska, with an average temperature ranging between min 61.7°F (16.5°C) and max 82°F (27.8°C). August's weather displays an average high-temperature of a still warm 82°F (27.8°C), slightly varied from July's 83.8°F (28.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Decatur, Nebraska, with an average temperature fluctuating between 56.3°F (13.5°C) and 76.1°F (24.5°C). Decatur's progression into September involves a gentle drop in the average high-temperature, from a warm 82°F (27.8°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »

Weather in October

October, the same as September, in Decatur, Nebraska, is another refreshing autumn month, with an average temperature ranging between max 60.6°F (15.9°C) and min 44.4°F (6.9°C). October's arrival signals a significant decrease in average high-temperatures, falling from September's warm 76.1°F (24.5°C) to a mild 60.6°F (15.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Decatur, is another chilly month, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 32.7°F (0.4°C). The start of November comes with a reduction in the average high-temperature, receding from a refreshing 60.6°F (15.9°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 Decatur, is still a cold month, with temperature in the range of an average high of 32.2°F (0.1°C) and an average low of 20.3°F (-6.5°C). Decatur in December sees a clear temperature decline, with average high-temperatures decreasing from a chilly 47.3°F (8.5°C) in November to a cold 32.2°F (0.1°C). Weather in December »
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Decatur's January weather, marked by an average high temperature of 28°F (-2.2°C) and an average low temperature of 15.1°F (-9.4°C), is the coldest in the year.

What is the most humid month in Decatur?

With an average relative humidity of 82%, January is the most humid month.

What is the driest month?

January is the month with the least rainfall. Rain falls for 2.9 days and accumulates 0.67" (17mm) of precipitation.

How much does it rain in Decatur?

Throughout the year, there are 117.6 rainfall days, and 21.89" (556mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

In Decatur, during the entire year, snow falls for 32.9 days and aggregates up to 11.69" (297mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.4h of sunshine.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 7.5 days and typically aggregates up to 3.03" (77mm) of snow.

When is the lowest UV index?

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

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 least humid month?

April and October, with an average relative humidity of 66%, are the least humid months.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 16.6 days and accumulates 3.31" (84mm) of precipitation.

When it does not snow?

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

When are the longest days?

June has the longest days of the year in Decatur, with an average of 15h and 12min of daylight.

When is the highest UV index in Decatur?

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?

July registers as the month with the average highest temperatures, reaching 83.8°F (28.8°C) at its peak and 65.5°F (18.6°C) at the lowest.

What month has the most sunshine?

With an average of 10.6h of sunshine, July has the most sunshine of the year.

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.

Average temperature
Decatur, NE

Average temperature - Decatur, NE

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure
Decatur, NE

Average pressure - Decatur, NE

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed
Decatur, NE

Average wind speed - Decatur, NE

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity
Decatur, NE

Average humidity - Decatur, NE

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).

Average rainfall
Decatur, NE

Average rainfall - Decatur, NE

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days
Decatur, NE

Average rainfall days - Decatur, NE

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).

Average snowfall
Decatur, NE

Average snowfall - Decatur, NE

The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Decatur, NE

Average snowfall days - Decatur, NE

The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Decatur, NE

Average daylight / Average sunshine - Decatur, NE

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days
Decatur, NE

Average sunshine days - Decatur, NE

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).

Average UV index
Decatur, NE

Average UV index - Decatur, NE

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).

Average visibility
Decatur, NE

Average visibility - Decatur, NE

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

Decatur, Nebraska, USA

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