Climate and monthly weather forecast
Garrison, MO

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Weather in January

January, like December, is another chilly winter month in Garrison, Missouri, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 27.9°F (-2.3°C). The coldest temperatures occur during January, when averages reach a peak of 44.1°F (6.7°C) and a low of 27.9°F (-2.3°C). Weather in January »

Weather in February

February, the last month of the winter in Garrison, is another chilly month, with temperature in the range of an average high of 47.7°F (8.7°C) and an average low of 31.1°F (-0.5°C). February's advent denotes a minor fluctuation in the average high-temperature to a still chilly 47.7°F (8.7°C) from January's 44.1°F (6.7°C). Weather in February »

Weather in March

March, the first month of the spring in Garrison, is a refreshing month, with an average temperature varying between 39.7°F (4.3°C) and 58.1°F (14.5°C). Garrison's weather in March presents a rise in the average high-temperature, moving from a chilly 47.7°F (8.7°C) in February to a moderate 58.1°F (14.5°C). Weather in March »

Weather in April

April is an agreeable spring month in Garrison, Missouri, with an average temperature varying between 47.8°F (8.8°C) and 68.2°F (20.1°C). The shift into April is marked by a rise in the average high-temperature, moving from March's refreshing 58.1°F (14.5°C) to a pleasant 68.2°F (20.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Garrison, Missouri, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 56.1°F (13.4°C). May's arrival brings a change in high-temperatures, moving from a pleasant 68.2°F (20.1°C) in April to a warm 77.5°F (25.3°C). Weather in May »

Weather in June

June, the first month of the summer in Garrison, is a hot month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 88°F (31.1°C). With the onset of June, Garrison's weather sees a temperature rise, transitioning from a moderately hot 77.5°F (25.3°C) in May to a tropical 88°F (31.1°C). Weather in June »

Weather in July

July, the same as June, in Garrison, Missouri, is another hot summer month, with an average temperature fluctuating between 90.1°F (32.3°C) and 68°F (20°C). During the warmest month, July, temperatures average a high of 90.1°F (32.3°C) and a low of 68°F (20°C). During July, the heat index is appraised at a blisteringly hot 107.6°F (42°C). Weather in July »

Weather in August

August, the last month of the summer in Garrison, is another tropical month, with an average temperature varying between 66.2°F (19°C) and 88.9°F (31.6°C). The transition into August notes an average high-temperature of a still hot 88.9°F (31.6°C), revealing a mild distinction from the 90.1°F (32.3°C) in July. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Garrison, Missouri, with an average temperature varying between 59.7°F (15.4°C) and 81.7°F (27.6°C). In September, the average high-temperature marginally drops from a tropical 88.9°F (31.6°C) in August to a warm 81.7°F (27.6°C). Weather in September »

Weather in October

October, the same as September, in Garrison, Missouri, is another pleasant autumn month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 48.7°F (9.3°C). Arrival of October comes with a reduction in the average high-temperature, falling from a warm 81.7°F (27.6°C) in September to a pleasant 68.9°F (20.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Garrison, Missouri, with an average temperature varying between 38.7°F (3.7°C) and 56.1°F (13.4°C). In Garrison, the average high-temperature in November decreases from a pleasant 68.9°F (20.5°C) in October to a moderate 56.1°F (13.4°C). Weather in November »

Weather in December

December, the first month of the winter in Garrison, is also a frosty month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 46.6°F (8.1°C). As November transitions into December, Garrison sees a drop in the average high-temperature, transitioning from a mild 56.1°F (13.4°C) to a chilly 46.6°F (8.1°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Garrison?

The month of January, characterized by an average high of 44.1°F (6.7°C) and a low of 27.9°F (-2.3°C), is recognized as the coldest in Garrison, Missouri.

What are the least humid months in Garrison?

The months with the lowest humidity in Garrison are January, July, August and October, with an average relative humidity of 73%.

How many days does it rain in Garrison?

Throughout the year, there are 142.8 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

When does it snow in Garrison?

Months with snowfall are January through April, November and December.

How much does it snow in Garrison?

In Garrison, during the entire year, snow falls for 9.5 days and aggregates up to 3.62" (92mm) of snow.

What is the month with the least sunshine in Garrison?

January and February, with an average of 5.4h of sunshine, are months with the least sunshine in Garrison, Missouri.

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

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Garrison, Missouri.

What is the driest month in Garrison?

February is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.42" (36mm) of precipitation.

When does it snow the most in Garrison?

February is the month with the most snowfall in Garrison, Missouri. Snow falls for 3.4 days and accumulates 1.46" (37mm) of snow.

What are the most humid months in Garrison?

The months with the highest humidity in Garrison, Missouri, are March and May, with an average relative humidity of 78%.

When is Daylight Saving Time (DST) in Garrison?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Garrison, 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 wettest month in Garrison?

The month with the most rainfall is May, when the rain falls for 14.9 days and typically aggregates up to 4.41" (112mm) of precipitation.

When it does not snow in Garrison?

In Garrison, snow does not fall in May through October.

When is the highest UV index in Garrison?

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

When are the longest days in Garrison?

With an average of 14h and 36min of daylight, June has the longest days of the year in Garrison, Missouri.

What month has the most sunshine in Garrison?

The month with the most sunshine in Garrison, Missouri, is June, with an average of 10.7h of sunshine.

What part of the year is the hottest in Garrison?

The warmest temperatures in Garrison occur during July, when averages reach a peak of 90.1°F (32.3°C) and a low of 68°F (20°C).

What is the month with the shortest days in Garrison?

December has the shortest days of the year in Garrison, Missouri, with an average of 9h and 42min of daylight.

Average temperature
Garrison, MO

Average temperature - Garrison, MO

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.1°F).

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure
Garrison, MO

Average pressure - Garrison, MO

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Garrison, MO

Average wind speed - Garrison, MO

The windiest months (with the highest average wind speed) are January, February, March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity
Garrison, MO

Average humidity - Garrison, MO

The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).

Average rainfall
Garrison, MO

Average rainfall - Garrison, MO

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days
Garrison, MO

Average rainfall days - Garrison, MO

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall
Garrison, MO

Average snowfall - Garrison, MO

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Garrison, MO

Average snowfall days - Garrison, MO

The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Garrison, MO

Average daylight / Average sunshine - Garrison, MO

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

Average sunshine days
Garrison, MO

Average sunshine days - Garrison, MO

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (12.2 days).

Average UV index
Garrison, MO

Average UV index - Garrison, 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 and December (UV index 2).

Average visibility
Garrison, MO

Average visibility - Garrison, MO

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Garrison, Missouri, USA

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