Sumner
Missouri, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Sumner, MO

January, like December, in Sumner, Missouri, is another cold winter month, with average temperature varying between 20.7°F (-6.3°C) and 33.6°F (0.9°C). The coldest month is January, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 20.7°F (-6.3°C). Weather in January »

February, the last month of the winter, in Sumner, is also a wintry month, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 38.3°F (3.5°C). In Sumner, the average high-temperature in February is almost the same as in January - a still cold 38.3°F (3.5°C). Weather in February »

The first month of the spring, March, is a cool month in Sumner, Missouri, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 51.8°F (11°C). In Sumner, the average high-temperature in March increases, from a wintry 38.3°F (3.5°C) in February, to a fresh 51.8°F (11°C). Weather in March »

April is a comfortable spring month in Sumner, Missouri, with average temperature fluctuating between 45.3°F (7.4°C) and 63°F (17.2°C). In Sumner, Missouri, the average high-temperature in April increases, from a cool 51.8°F (11°C) in March, to an enjoyable 63°F (17.2°C). Weather in April »

The last month of the spring, May, is a pleasant month in Sumner, Missouri, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 54.7°F (12.6°C). In May, the average high-temperature rises, from an enjoyable 63°F (17.2°C) in April, to a pleasant 72°F (22.2°C). Weather in May »

June, the first month of the summer, in Sumner, is a warm month, with average temperature ranging between max 81.7°F (27.6°C) and min 64.8°F (18.2°C). In June, the average high-temperature rises, from a pleasant 72°F (22.2°C) in May, to a moderately hot 81.7°F (27.6°C). Weather in June »

July, like June, in Sumner, Missouri, is a moderately hot summer month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 84.6°F (29.2°C). The warmest month is July, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 67.3°F (19.6°C). The average heat index in July is calculated to a torrid 95.5°F (35.3°C). Weather in July »

August, the last month of the summer, in Sumner, is another warm month, with average temperature ranging between min 64.8°F (18.2°C) and max 83.1°F (28.4°C). In Sumner, the average high-temperature in August is relatively the same as in July - a still warm 83.1°F (28.4°C). Weather in August »

The first month of the autumn, September, is still a warm month in Sumner, Missouri, with average temperature varying between 77.9°F (25.5°C) and 57.7°F (14.3°C). In September, the average high-temperature is essentially the same as in August - a still warm 77.9°F (25.5°C). Weather in September »

October, the same as September, is another comfortable autumn month in Sumner, Missouri, with average temperature ranging between min 46.8°F (8.2°C) and max 63.7°F (17.6°C). In October, the average high-temperature decreases, from a warm 77.9°F (25.5°C) in September, to a comfortable 63.7°F (17.6°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Sumner, Missouri, with average temperature varying between 50.9°F (10.5°C) and 35.2°F (1.8°C). In November, the average high-temperature drops, from a comfortable 63.7°F (17.6°C) in October, to a fresh 50.9°F (10.5°C). Weather in November »

December, the first month of the winter, in Sumner, is still a cold month, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 38.7°F (3.7°C). In December, the average high-temperature drops, from a fresh 50.9°F (10.5°C) in November, to a cold 38.7°F (3.7°C). Weather in December »

What is the coldest month in Sumner?

With an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 20.7°F (-6.3°C), January is the coldest month.

How much does it rain in Sumner?

Throughout the year, in Sumner, there are 101.9 rainfall days, and 10.59" (269mm) of precipitation is accumulated.

When does it snow in Sumner?

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

How many days does it snow in Sumner?

In Sumner, Missouri, during the entire year, snow falls for 20.6 days, and aggregates up to 2.99" (76mm) of snow.

What is the snowiest month in Sumner?

The month with the most snowfall is January when snow falls for 6.5 days and typically aggregates up to 1.02" (26mm) of snow.

What is the month with the least sunshine in Sumner?

The month with the least sunshine is January, with an average of 4.6h 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.

What is the rainiest month in Sumner?

The wettest months in Sumner are May and June, with an average 1.46" (37mm) of rainfall.

When it does not snow in Sumner?

In Sumner snow does not fall in May through September.

What is the most humid month in Sumner?

The most humid month is June, with an average relative humidity of 81%.

When are the longest days in Sumner?

The month with the longest days is June, with an average of 14.9h of daylight.

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

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

What is the warmest month in Sumner?

The warmest month in Sumner, Missouri, is July, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 67.3°F (19.6°C).

What month has the most sunshine in Sumner?

The month with the most sunshine in Sumner is July, with an average of 10.5h of sunshine.

What is the least humid month in Sumner?

October is the least humid month, with an average relative humidity of 72%.

What is the driest month in Sumner?

December is the month with the least rainfall in Sumner. Rain falls for 4.5 days and accumulates 0.43" (11mm) of precipitation.

What is the month with the shortest days in Sumner?

With an average of 9.4h of daylight, December has the shortest days of the year.
Average rainfall - Sumner, MO
Average rainfall days - Sumner, MO

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (4.2 days).

Average snowfall - Sumner, MO
Average snowfall days - Sumner, MO

The month with the highest number of snowfall days is January (6.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Sumner, MO

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 4.6h).

Average UV index - Sumner, MO