Monthly weather forecast and climate
Jefferson City, MO

The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri
The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri

Weather in January

January, the same as December, is a wintry winter month in Jefferson City, Missouri, with average temperature fluctuating between 38.5°F (3.6°C) and 24.3°F (-4.3°C). The coldest month is January, with an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 24.3°F (-4.3°C). Weather in January »

Weather in February

February, the last month of the winter, in Jefferson City, is a frosty month, with average temperature ranging between min 27°F (-2.8°C) and max 43°F (6.1°C). In Jefferson City, the average high-temperature is practically the same as in January - a chilly 43°F (6.1°C). Weather in February »

Weather in March

March, the first month of the spring, in Jefferson City, is a cool month, with average temperature ranging between min 37.4°F (3°C) and max 55.2°F (12.9°C). In March, the average high-temperature increases, from a chilly 43°F (6.1°C) in February, to a fresh 55.2°F (12.9°C). Weather in March »

Weather in April

April is an enjoyable spring month in Jefferson City, Missouri, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 46.2°F (7.9°C). In April, the average high-temperature rises, from a fresh 55.2°F (12.9°C) in March, to an enjoyable 66°F (18.9°C). Weather in April »

Weather in May

May, the last month of the spring, in Jefferson City, is a warm month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 75.7°F (24.3°C). In Jefferson City, the average high-temperature rises, from a comfortable 66°F (18.9°C) in April, to a warm 75.7°F (24.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Jefferson City, is a hot month, with average temperature fluctuating between 86.4°F (30.2°C) and 65.5°F (18.6°C). In Jefferson City, Missouri, the average high-temperature in June increases, from a warm 75.7°F (24.3°C) in May, to a tropical 86.4°F (30.2°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Jefferson City, Missouri, with average temperature fluctuating between 67.8°F (19.9°C) and 89.2°F (31.8°C). With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 67.8°F (19.9°C), July is the warmest month. The average heat index in July is estimated at a blistering 106.3°F (41.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Jefferson City, Missouri, with average temperature fluctuating between 65.8°F (18.8°C) and 87.4°F (30.8°C). In August, the average high-temperature is almost the same as in July - a still tropical 87.4°F (30.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Jefferson City, Missouri, with average temperature fluctuating between 80.1°F (26.7°C) and 59.2°F (15.1°C). In Jefferson City, the average high-temperature marginally drops, from a hot 87.4°F (30.8°C) in August, to a warm 80.1°F (26.7°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Jefferson City, Missouri, with average temperature fluctuating between 66.2°F (19°C) and 47.7°F (8.7°C). In Jefferson City, the average high-temperature decreases, from a warm 80.1°F (26.7°C) in September, to an enjoyable 66.2°F (19°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Jefferson City, Missouri, with average temperature fluctuating between 37°F (2.8°C) and 53.8°F (12.1°C). In November, the average high-temperature drops, from a comfortable 66.2°F (19°C) in October, to a cool 53.8°F (12.1°C). Weather in November »

Weather in December

December, the first month of the winter, in Jefferson City, is still a chilly month, with average temperature fluctuating between 42.8°F (6°C) and 29.1°F (-1.6°C). In Jefferson City, the average high-temperature in December decreases, from a fresh 53.8°F (12.1°C) in November, to a chilly 42.8°F (6°C). Weather in December »
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FAQ

What is the coldest month in Jefferson City?

With an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month in Jefferson City, Missouri.

How many days does it rain in Jefferson City?

Throughout the year, there are 93.7 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

When does it snow in Jefferson City?

Months with snowfall in Jefferson City, Missouri, are January through March, November and December.

How many days does it snow in Jefferson City?

In Jefferson City, Missouri, during the entire year, snow falls for 14.9 days, and aggregates up to 2.13" (54mm) of snow.

What is the snowiest month in Jefferson City?

The month with the most snowfall in Jefferson City is January when snow falls for 5.2 days and typically aggregates up to 0.71" (18mm) of snow.

When is the lowest UV index in Jefferson City?

Months with the lowest UV index in Jefferson City, Missouri, are January, February, November and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Jefferson City?

With an average of 4.8h of sunshine, February has the least sunshine of the year.

When it does not snow in Jefferson City?

April through October are months without snowfall.

What is the most humid month in Jefferson City?

May is the most humid month in Jefferson City, Missouri, with an average relative humidity of 77%.

What is the wettest month in Jefferson City?

May is the month with the most rainfall in Jefferson City. Rain falls for 11.3 days and accumulates 1.3" (33mm) of precipitation.

When are the longest days in Jefferson City?

With an average of 14.8h of daylight, June has the longest days of the year in Jefferson City, Missouri.

What month has the most sunshine in Jefferson City?

The month with the most sunshine is June, with an average of 10.6h of sunshine.

What are the months with the highest UV index in Jefferson City?

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

What is the warmest month in Jefferson City?

With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 67.8°F (19.9°C), July is the warmest month in Jefferson City, Missouri.

What is the least humid month in Jefferson City?

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

What is the driest month in Jefferson City?

The month with the least rainfall in Jefferson City, Missouri, is November when the rain falls for 6.4 days and typically collects 0.47" (12mm) of precipitation.

What is the month with the shortest days in Jefferson City?

December has the shortest days of the year in Jefferson City, Missouri, with an average of 9.5h of daylight.

Average temperature
Jefferson City, MO

Average temperature - Jefferson City, MO

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure
Jefferson City, MO

Average pressure - Jefferson City, MO

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed
Jefferson City, MO

Average wind speed - Jefferson City, MO

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average rainfall
Jefferson City, MO

Average rainfall - Jefferson City, MO

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").

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Average rainfall days
Jefferson City, MO

Average rainfall days - Jefferson City, MO

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).

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Average snowfall
Jefferson City, MO

Average snowfall - Jefferson City, MO

The month with the highest snowfall is January (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Jefferson City, MO

Average snowfall days - Jefferson City, MO

The month with the highest number of snowfall days is January (5.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Jefferson City, MO

Average daylight / Average sunshine - Jefferson City, MO

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days
Jefferson City, MO

Average sunshine days - Jefferson City, MO

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).

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Average UV index
Jefferson City, MO

Average UV index - Jefferson City, MO

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
Jefferson City, MO

Average visibility - Jefferson City, MO

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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