Monthly weather forecast and climate
Sumner, NE

Weather in January

January, the same as December, is a wintry winter month in Sumner, Nebraska, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 35.8°F (2.1°C). With an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 21°F (-6.1°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Sumner, is also a wintry month, with average temperature varying between 22.5°F (-5.3°C) and 38.3°F (3.5°C). In February, the average high-temperature is relatively the same as in January - a still cold 38.3°F (3.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Sumner, Nebraska, with average temperature varying between 52.9°F (11.6°C) and 33.8°F (1°C). In March, the average high-temperature increases considerably, from a wintry 38.3°F (3.5°C) in February, to a cool 52.9°F (11.6°C). Weather in March »

Weather in April

April is a mild spring month in Sumner, Nebraska, with average temperature ranging between min 41.4°F (5.2°C) and max 60.4°F (15.8°C). In Sumner, the average high-temperature in April marginally rises, from a cool 52.9°F (11.6°C) in March, to a moderate 60.4°F (15.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Sumner, Nebraska, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 70°F (21.1°C). In Sumner, Nebraska, the average high-temperature in May rises, from a mild 60.4°F (15.8°C) in April, to a pleasant 70°F (21.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Sumner, Nebraska, with average temperature fluctuating between 61.9°F (16.6°C) and 82.4°F (28°C). In June, the average high-temperature rises, from an agreeable 70°F (21.1°C) in May, to a warm 82.4°F (28°C). Weather in June »

Weather in July

July in Sumner, Nebraska, is a hot summer month, with average temperature fluctuating between 88.3°F (31.3°C) and 65.5°F (18.6°C). The warmest month is July, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 65.5°F (18.6°C). In July, the average heat index is estimated at a torrid 97.3°F (36.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Sumner, is another tropical month, with average temperature ranging between max 86.2°F (30.1°C) and min 62.6°F (17°C). In Sumner, the average high-temperature is practically the same as in July - a still tropical 86.2°F (30.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in Sumner, is still a warm month, with average temperature varying between 78.6°F (25.9°C) and 56.1°F (13.4°C). In Sumner, the average high-temperature marginally drops, from a hot 86.2°F (30.1°C) in August, to a warm 78.6°F (25.9°C). Weather in September »

Weather in October

October, like September, in Sumner, Nebraska, is another enjoyable autumn month, with average temperature ranging between max 62.6°F (17°C) and min 43.7°F (6.5°C). In Sumner, the average high-temperature significantly decreases, from a warm 78.6°F (25.9°C) in September, to an enjoyable 62.6°F (17°C). Weather in October »

Weather in November

November, the last month of the autumn, in Sumner, is another cool month, with average temperature varying between 50.5°F (10.3°C) and 32.7°F (0.4°C). In November, the average high-temperature drops, from a comfortable 62.6°F (17°C) in October, to a fresh 50.5°F (10.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Sumner, is also a wintry month, with average temperature varying between 36.9°F (2.7°C) and 22.3°F (-5.4°C). In December, the average high-temperature drops, from a fresh 50.5°F (10.3°C) in November, to a wintry 36.9°F (2.7°C). Weather in December »
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FAQ

What is the coldest month in Sumner?

With an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 21°F (-6.1°C), January is the coldest month.

What is the most humid month in Sumner?

The most humid month in Sumner, Nebraska, is January, with an average relative humidity of 75%.

How many days does it rain in Sumner?

In Sumner, Nebraska, during the entire year, the rain falls for 117 days and collects up to 18.35" (466mm) of precipitation.

What is the driest month in Sumner?

January is the month with the least rainfall in Sumner. Rain falls for 4.8 days and accumulates 0.51" (13mm) of precipitation.

When does it snow in Sumner?

January through May, October through December are months with snowfall in Sumner.

How many days does it snow in Sumner?

In Sumner, Nebraska, during the entire year, snow falls for 31.7 days, and aggregates up to 14.69" (373mm) of snow.

What is the month with the least sunshine in Sumner?

The month with the least sunshine is January, with an average of 5.9h of sunshine.

What are the months with the lowest UV index in Sumner?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most in Sumner?

February is the month with the most snowfall in Sumner, Nebraska. Snow falls for 7.4 days and accumulates 3.62" (92mm) of snow.

What is the wettest month in Sumner?

The month with the most rainfall is May when the rain falls for 16.8 days and typically aggregates up to 3.03" (77mm) of precipitation.

When it does not snow in Sumner?

In Sumner, Nebraska, snow does not fall in June through September.

When are the longest days in Sumner?

With an average of 15.1h of daylight, June has the longest days of the year in Sumner.

What is the month with the highest UV index in Sumner?

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

What is the warmest month in Sumner?

The warmest month in Sumner, Nebraska, is July, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 65.5°F (18.6°C).

What month has the most sunshine in Sumner?

July has the most sunshine of the year, with an average of 11.1h of sunshine.

What is the least humid month in Sumner?

October is the least humid month, with an average relative humidity of 58%.

What is the month with the shortest days in Sumner?

December has the shortest days of the year in Sumner, Nebraska, with an average of 9.3h of daylight.

Average temperature
Sumner, NE

Average temperature - Sumner, NE

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (35.8°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 (21°F).

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Average pressure
Sumner, NE

Average pressure - Sumner, NE

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed
Sumner, NE

Average wind speed - Sumner, NE

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

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Average rainfall
Sumner, NE

Average rainfall - Sumner, NE

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days
Sumner, NE

Average rainfall days - Sumner, NE

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.9 days).

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Average snowfall
Sumner, NE

Average snowfall - Sumner, NE

The month with the highest snowfall is February (3.62").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Sumner, NE

Average snowfall days - Sumner, NE

The month with the highest number of snowfall days is January (7.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Sumner, NE

Average daylight / Average sunshine - Sumner, NE

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 5.9h).

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Average sunshine days
Sumner, NE

Average sunshine days - Sumner, NE

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index
Sumner, NE

Average UV index - Sumner, NE

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Sumner, NE

Average visibility - Sumner, NE

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

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