Climate and monthly weather forecast
Festus, MO

Weather in January

January, the same as December, is a wintry winter month in Festus, Missouri, with an average temperature ranging between max 39°F (3.9°C) and min 25.2°F (-3.8°C). The coldest month is January, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 25.2°F (-3.8°C). Weather in January »

Weather in February

February, the last month of the winter in Festus, is a frosty month, with an average temperature varying between 28.4°F (-2°C) and 43.5°F (6.4°C). In Festus, the average high-temperature in February is practically the same as in January - a chilly 43.5°F (6.4°C). Weather in February »

Weather in March

March, the first month of the spring in Festus, is a cool month, with an average temperature ranging between min 38.1°F (3.4°C) and max 54.9°F (12.7°C). In March, the average high-temperature increases from a frosty 43.5°F (6.4°C) in February to a fresh 54.9°F (12.7°C). Weather in March »

Weather in April

April is an enjoyable spring month in Festus, Missouri, with an average temperature fluctuating between 47.7°F (8.7°C) and 65.8°F (18.8°C). In April, the average high-temperature increases from a fresh 54.9°F (12.7°C) in March to a comfortable 65.8°F (18.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Festus, Missouri, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 75.6°F (24.2°C). In May, the average high-temperature rises from an enjoyable 65.8°F (18.8°C) in April to a warm 75.6°F (24.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Festus, Missouri, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 84.9°F (29.4°C). In June, the average high-temperature rises from a warm 75.6°F (24.2°C) in May to a still moderately hot 84.9°F (29.4°C). Weather in June »

Weather in July

July in Festus, Missouri, is a tropical summer month, with an average temperature fluctuating between 88°F (31.1°C) and 68.2°F (20.1°C). The warmest month is July, with an average high-temperature of 88°F (31.1°C) and an average low-temperature of 68.2°F (20.1°C). In July, the average heat index is appraised at a scorching 104°F (40°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Festus, Missouri, with an average temperature varying between 86.2°F (30.1°C) and 66.4°F (19.1°C). In August, the average high-temperature is relatively the same as in July - a still tropical 86.2°F (30.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Festus, Missouri, with an average temperature varying between 79.7°F (26.5°C) and 59.9°F (15.5°C). In September, the average high-temperature slightly decreases from a tropical 86.2°F (30.1°C) in August to a moderately hot 79.7°F (26.5°C). Weather in September »

Weather in October

October, like September, in Festus, Missouri, is another comfortable autumn month, with an average temperature varying between 67.1°F (19.5°C) and 49.1°F (9.5°C). In October, the average high-temperature drops from a moderately hot 79.7°F (26.5°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Festus, Missouri, with an average temperature varying between 38.1°F (3.4°C) and 54°F (12.2°C). In November, the average high-temperature decreases from a comfortable 67.1°F (19.5°C) in October to a fresh 54°F (12.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Festus, Missouri, with an average temperature fluctuating between 30.7°F (-0.7°C) and 43.5°F (6.4°C). In Festus, the average high-temperature in December decreases from a fresh 54°F (12.2°C) in November to a chilly 43.5°F (6.4°C). Weather in December »
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FAQ

What is the coldest month in Festus?

The coldest month in Festus, Missouri, is January, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 25.2°F (-3.8°C).

How much does it rain in Festus?

In Festus, during the entire year, the rain falls for 155 days and collects up to 34.92" (887mm) of precipitation.

When does it snow in Festus?

January through March, November and December are months with snowfall in Festus.

When does it snow the most in Festus?

The month with the most snowfall in Festus is January, when snow falls for 6.8 days and typically aggregates up to 2.36" (60mm) of snow.

How much does it snow in Festus?

Throughout the year, there are 19.9 snowfall days, and 8.43" (214mm) of snow is accumulated.

What is the month with the least sunshine in Festus?

The month with the least sunshine in Festus, Missouri, is January, with an average of 4.8h of sunshine.

When is the lowest UV index in Festus?

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

What is the driest month in Festus?

The month with the least rainfall in Festus, Missouri, is February, when the rain falls for 9.6 days and typically collects 1.97" (50mm) of precipitation.

When is Daylight Saving Time (DST) in Festus?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Festus, Missouri, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Festus?

In Festus, snow does not fall in April through October.

What is the most humid month in Festus?

With an average relative humidity of 79%, May is the most humid month in Festus, Missouri.

What is the rainiest month in Festus?

The month with the most rainfall is May, when the rain falls for 16.7 days and typically aggregates up to 4.25" (108mm) of precipitation.

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

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

When are the longest days in Festus?

June has the longest days of the year, with an average of 14h and 47min of daylight.

What are the months with the most sunshine in Festus?

June and July, with an average of 10.5h of sunshine, are months with the most sunshine in Festus.

What is the warmest month in Festus?

July is the warmest month, with an average high-temperature of 88°F (31.1°C) and an average low-temperature of 68.2°F (20.1°C).

What is the least humid month in Festus?

The least humid month in Festus is October, with an average relative humidity of 72%.

What is the month with the shortest days in Festus?

The month with the shortest days in Festus is December, with an average of 9h and 34min of daylight.

Average pressure
Festus, MO

Average pressure - Festus, MO

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

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Average wind speed
Festus, MO

Average wind speed - Festus, MO

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average rainfall
Festus, MO

Average rainfall - Festus, MO

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days
Festus, MO

Average rainfall days - Festus, MO

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall
Festus, MO

Average snowfall - Festus, MO

The month with the highest snowfall is January (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Festus, MO

Average snowfall days - Festus, MO

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Festus, MO

Average daylight / Average sunshine - Festus, MO

The month with the longest days is June (Average daylight: 14h and 47min).
The month with the shortest days is December (Average daylight: 9h and 34min).

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days
Festus, MO

Average sunshine days - Festus, MO

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index
Festus, MO

Average UV index - Festus, MO

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

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Average visibility
Festus, MO

Average visibility - Festus, MO

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).

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