Climate and monthly weather forecast
Harrisonville, MO

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Weather in January

January, like December, in Harrisonville, Missouri, is an icy winter month, with an average temperature varying between 23.5°F (-4.7°C) and 37.9°F (3.3°C). The coldest time of the year is January, with temperatures averaging a high of 37.9°F (3.3°C) and a low of 23.5°F (-4.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Harrisonville, Missouri, with an average temperature ranging between max 41.9°F (5.5°C) and min 27°F (-2.8°C). The arrival of February sees a recorded average high-temperature of a still wintry 41.9°F (5.5°C), showing little divergence from the previous month's conditions. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Harrisonville, Missouri, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 37.9°F (3.3°C). Harrisonville's transition into March is marked by a rise in the average high-temperature, advancing from an icy 41.9°F (5.5°C) in February to a fresh 54.9°F (12.7°C). Weather in March »

Weather in April

April in Harrisonville, Missouri, is an enjoyable spring month, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 46.6°F (8.1°C). Harrisonville sees an increase in the average high-temperature with the arrival of April, moving from March's cool 54.9°F (12.7°C) to a refreshing 64.2°F (17.9°C). Weather in April »

Weather in May

May, the last month of the spring in Harrisonville, is an agreeable month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 72.7°F (22.6°C). A subtle rise in the average high-temperature is observed during May, adjusting from a refreshing 64.2°F (17.9°C) in April to a pleasant 72.7°F (22.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Harrisonville, Missouri, with an average temperature varying between 65.8°F (18.8°C) and 83.5°F (28.6°C). With the onset of June, Harrisonville experiences a temperature shift, with the average high-temperature moving from an agreeable 72.7°F (22.6°C) in May to a moderately hot 83.5°F (28.6°C). Weather in June »

Weather in July

July is a tropical summer month in Harrisonville, Missouri, with an average temperature fluctuating between 68.7°F (20.4°C) and 86.5°F (30.3°C). The warmest period is July, when temperatures fluctuate between an average high of 86.5°F (30.3°C) and a low of 68.7°F (20.4°C). In July, the heat index is calculated to be a sweltering 100.4°F (38°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Harrisonville, Missouri, with an average temperature ranging between max 84.7°F (29.3°C) and min 66°F (18.9°C). The transition into August notes an average high-temperature of a warm 84.7°F (29.3°C), revealing a mild distinction from the 86.5°F (30.3°C) in July. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Harrisonville, Missouri, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 78.3°F (25.7°C). With the onset of September, Harrisonville experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 84.7°F (29.3°C) in August to a still warm 78.3°F (25.7°C). Weather in September »

Weather in October

October, like September, in Harrisonville, Missouri, is another refreshing autumn month, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 48.2°F (9°C). October involves a decrease in temperature, down from a warm 78.3°F (25.7°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Harrisonville, Missouri, with an average temperature fluctuating between 36.7°F (2.6°C) and 53.1°F (11.7°C). The transition into November indicates a reduction in the average high-temperature, down to a cool 53.1°F (11.7°C) from October's refreshing 65.3°F (18.5°C). Weather in November »

Weather in December

December, the first month of the winter in Harrisonville, is still a cold month, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 28.2°F (-2.1°C). December suggests a modest reduction in the average high-temperature, shifting from a cool 53.1°F (11.7°C) in November to a wintry 41.7°F (5.4°C). Weather in December »
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest time of the year is January, with temperatures averaging a high of 37.9°F (3.3°C) and a low of 23.5°F (-4.7°C).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 0.67" (17mm) of precipitation.

How much does it rain?

In Harrisonville, during the entire year, the rain falls for 129.2 days and collects up to 22.2" (564mm) of precipitation.

When does it snow?

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

How many days does it snow?

In Harrisonville, during the entire year, snow falls for 16.7 days and aggregates up to 6.1" (155mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 5.2h of sunshine.

What are the months with the lowest UV index?

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

What is the snowiest month?

February is the month with the most snowfall in Harrisonville. Snow falls for 5.3 days and accumulates 2.52" (64mm) of snow.

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 most humid month?

May and June, with an average relative humidity of 80%, are most humid months.

What is the rainiest month in Harrisonville?

May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.62" (92mm) of precipitation.

When is the highest UV index?

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

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What part of the year is the hottest?

Harrisonville's July weather reaches an average high of 86.5°F (30.3°C) and an average low of 68.7°F (20.4°C), making it the warmest month.

What month has the most sunshine?

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

What is the least humid month?

With an average relative humidity of 71%, October is the least humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

Average temperature
Harrisonville, MO

Average temperature - Harrisonville, MO

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure
Harrisonville, MO

Average pressure - Harrisonville, MO

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Harrisonville, MO

Average wind speed - Harrisonville, MO

The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity
Harrisonville, MO

Average humidity - Harrisonville, MO

The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Harrisonville, MO

Average rainfall - Harrisonville, MO

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days
Harrisonville, MO

Average rainfall days - Harrisonville, MO

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.2 days).

Average snowfall
Harrisonville, MO

Average snowfall - Harrisonville, MO

The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Harrisonville, MO

Average snowfall days - Harrisonville, MO

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Harrisonville, MO

Average daylight / Average sunshine - Harrisonville, MO

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days
Harrisonville, MO

Average sunshine days - Harrisonville, MO

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (13 days).

Average UV index
Harrisonville, MO

Average UV index - Harrisonville, 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).

Average visibility
Harrisonville, MO

Average visibility - Harrisonville, 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).

Harrisonville, Missouri, USA

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