Climate and monthly weather forecast
Saint Martins, MO

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Weather in January

January, like December, in Saint Martins, Missouri, is another cold winter 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). January, recording an average high temperature of 38.3°F (3.5°C) and a low temperature of 24.3°F (-4.3°C), is Saint Martins's coldest month. Weather in January »

Weather in February

February, the last month of the winter in Saint Martins, is a chilly month, with an average temperature fluctuating between 27°F (-2.8°C) and 42.8°F (6°C). As February takes hold, the average high-temperature is a frosty 42.8°F (6°C), nearly mirroring that of the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Saint Martins, Missouri, with an average temperature fluctuating between 37.6°F (3.1°C) and 55°F (12.8°C). The shift from February to March is marked by an increase in the average high-temperature, moving from a frosty 42.8°F (6°C) to a fresh 55°F (12.8°C). Weather in March »

Weather in April

April in Saint Martins, Missouri, is an enjoyable spring month, with an average temperature ranging between min 46.4°F (8°C) and max 65.8°F (18.8°C). April comes with an increase, with the average high-temperature moving from a cool 55°F (12.8°C) in March to an enjoyable 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring in Saint Martins, is a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 55.9°F (13.3°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a comfortable 65.8°F (18.8°C) to a moderately hot 75.7°F (24.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Saint Martins, Missouri, with an average temperature varying between 65.5°F (18.6°C) and 86.2°F (30.1°C). With the onset of June, the average high-temperature slightly shifts from May's warm 75.7°F (24.3°C) to a tropical 86.2°F (30.1°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Saint Martins, Missouri, with temperature in the range of an average high of 88.5°F (31.4°C) and an average low of 68.2°F (20.1°C). July stands out as Saint Martins's warmest month, with an average high-temperature of 88.5°F (31.4°C) and a low-temperature of 68.2°F (20.1°C). For July, the heat index is evaluated at a blistering 104°F (40°C). Weather in July »

Weather in August

August, the last month of the summer in Saint Martins, is another tropical month, with an average temperature ranging between min 65.8°F (18.8°C) and max 87.4°F (30.8°C). The advent of August denotes an average high-temperature of a still tropical 87.4°F (30.8°C), subtly different from July's 88.5°F (31.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Saint Martins, Missouri, with an average temperature varying between 59.2°F (15.1°C) and 79.7°F (26.5°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 87.4°F (30.8°C) in August to a warm 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Saint Martins, Missouri, with an average temperature fluctuating between 65.8°F (18.8°C) and 47.7°F (8.7°C). The shift from September to October involves a decrease in the average high-temperature, dropping from a moderately hot 79.7°F (26.5°C) to an enjoyable 65.8°F (18.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Saint Martins, is also a fresh month, with an average temperature ranging between min 36.9°F (2.7°C) and max 53.4°F (11.9°C). November's onset brings a slight change in high-temperatures, falling from a comfortable 65.8°F (18.8°C) in October to a cool 53.4°F (11.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Saint Martins, Missouri, with an average temperature fluctuating between 42.4°F (5.8°C) and 28.9°F (-1.7°C). In Saint Martins, the average high-temperature in December decreases from a cool 53.4°F (11.9°C) in November to a wintry 42.4°F (5.8°C). Weather in December »
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Saint Martins's coldest weather arrives in January, when temperatures average a high of 38.3°F (3.5°C) and a low of 24.3°F (-4.3°C).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 5.9 days and typically collects 1.14" (29mm) of precipitation.

How much does it rain?

In Saint Martins, during the entire year, the rain falls for 133.5 days and collects up to 25.2" (640mm) of precipitation.

When does it snow?

Months with snowfall are January through March, October through December.

How much does it snow?

Throughout the year, there are 18.2 snowfall days, and 6.97" (177mm) of snow is accumulated.

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.

When does it snow the most in Saint Martins?

February is the month with the most snowfall in Saint Martins. Snow falls for 6.1 days and accumulates 2.52" (64mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine in Saint Martins is February, with an average of 4.8h of sunshine.

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.

When it does not snow?

In Saint Martins, snow does not fall in April through September.

What is the most humid month?

With an average relative humidity of 77%, May is the most humid month in Saint Martins.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 15.2 days and typically aggregates up to 3.46" (88mm) of precipitation.

When are the longest days?

June has the longest days of the year, with an average of 14h and 48min of daylight.

What month has the most sunshine?

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?

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

What are the warmest months?

Saint Martins, Missouri, notes the warmest temperatures in July, with a average high of 88.5°F (31.4°C) and a low of 68.2°F (20.1°C).

What is the least humid month?

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

What is the month with the shortest days?

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

Average temperature
Saint Martins, MO

Average temperature - Saint Martins, MO

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (38.3°F).

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure
Saint Martins, MO

Average pressure - Saint Martins, 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).

Average wind speed
Saint Martins, MO

Average wind speed - Saint Martins, MO

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity
Saint Martins, MO

Average humidity - Saint Martins, MO

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Saint Martins, MO

Average rainfall - Saint Martins, MO

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days
Saint Martins, MO

Average rainfall days - Saint Martins, MO

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).

Average snowfall
Saint Martins, MO

Average snowfall - Saint Martins, MO

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

Average snowfall days
Saint Martins, MO

Average snowfall days - Saint Martins, MO

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Saint Martins, MO

Average daylight / Average sunshine - Saint Martins, 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 June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days
Saint Martins, MO

Average sunshine days - Saint Martins, MO

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is July (13.7 days).

Average UV index
Saint Martins, MO

Average UV index - Saint Martins, MO

The months with the highest UV index are 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
Saint Martins, MO

Average visibility - Saint Martins, 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).

Saint Martins, Missouri, USA

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