Climate and monthly weather forecast
Hartsburg, MO

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Weather in January

January, the same as December, is an icy winter month in Hartsburg, Missouri, 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 is the month that records the lowest temperatures, with averages ranging from a high of 38.3°F (3.5°C) to a low of 24.3°F (-4.3°C). Weather in January »

Weather in February

February, the last month of the winter in Hartsburg, is a chilly month, with an average temperature ranging between min 27°F (-2.8°C) and max 42.8°F (6°C). The beginning of February records an average high-temperature of a chilly 42.8°F (6°C), marking a negligible difference from January's 38.3°F (3.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Hartsburg, Missouri, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 55°F (12.8°C). In Hartsburg, the average high-temperature in March increases from a frosty 42.8°F (6°C) in February to a cool 55°F (12.8°C). Weather in March »

Weather in April

April is a refreshing spring month in Hartsburg, Missouri, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 46.4°F (8°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cool 55°F (12.8°C) to a refreshing 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring in Hartsburg, is a warm month, with an average temperature varying between 55.9°F (13.3°C) and 75.7°F (24.3°C). As May sets, the average high-temperature shows an increase, moving up from a comfortable 65.8°F (18.8°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 Hartsburg, is a tropical month, with an average temperature ranging between min 65.5°F (18.6°C) and max 86.2°F (30.1°C). June signals a shift in the average high-temperature, moving 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 another hot summer month in Hartsburg, Missouri, with an average temperature fluctuating between 88.5°F (31.4°C) and 68.2°F (20.1°C). The temperatures reach their highest averages in July, with highs of 88.5°F (31.4°C) and lows of 68.2°F (20.1°C). The heat index in July is estimated at an extremely hot 104°F (40°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Hartsburg, Missouri, with an average temperature ranging between max 87.4°F (30.8°C) and min 65.8°F (18.8°C). Hartsburg experiences an average high-temperature of a still tropical 87.4°F (30.8°C) with the onset of August, subtly varied 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 Hartsburg, Missouri, with an average temperature varying between 79.7°F (26.5°C) and 59.2°F (15.1°C). The average high-temperature shows a slight dip in September, from August's hot 87.4°F (30.8°C) to a moderately hot 79.7°F (26.5°C). Weather in September »

Weather in October

October, like September, in Hartsburg, Missouri, is another comfortable autumn month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 47.7°F (8.7°C). A decrease in the average high-temperature is observed during October, shifting from a warm 79.7°F (26.5°C) in September to a refreshing 65.8°F (18.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Hartsburg, is another cool month, with an average temperature ranging between max 53.4°F (11.9°C) and min 36.9°F (2.7°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a comfortable 65.8°F (18.8°C) in October to a fresh 53.4°F (11.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Hartsburg, Missouri, with temperature in the range of an average low of 28.9°F (-1.7°C) and an average high of 42.4°F (5.8°C). During Hartsburg's transition into December, the average high-temperature lessens, moving from a cool 53.4°F (11.9°C) in November to an icy 42.4°F (5.8°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Hartsburg?

Hartsburg's January weather, with an average high temperature of 38.3°F (3.5°C) and an average low temperature of 24.3°F (-4.3°C), tends to be the coldest of the year.

What is the driest month in Hartsburg?

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

How many days does it rain in Hartsburg?

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

When does it snow in Hartsburg?

January through March, October through December are months with snowfall in Hartsburg.

How much does it snow in Hartsburg?

In Hartsburg, Missouri, during the entire year, snow falls for 18.2 days and aggregates up to 6.97" (177mm) of snow.

When is the lowest UV index in Hartsburg?

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

When does it snow the most in Hartsburg?

The month with the most snowfall in Hartsburg, Missouri, is February, when snow falls for 6.1 days and typically aggregates up to 2.52" (64mm) of snow.

What is the month with the least sunshine in Hartsburg?

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

When is Daylight Saving Time (DST) in Hartsburg?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hartsburg, Missouri, 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 Hartsburg?

In Hartsburg, snow does not fall in April through September.

What is the most humid month in Hartsburg?

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

What is the rainiest month in Hartsburg?

The month with the most rainfall in Hartsburg 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 in Hartsburg?

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

What month has the most sunshine in Hartsburg?

June has the most sunshine of the year, with an average of 10.6h of sunshine.

What is the month with the highest UV index in Hartsburg?

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

What is the warmest month in Hartsburg?

The average temperatures reach their apex in July, averaging 88.5°F (31.4°C) at the high end and 68.2°F (20.1°C) at the low end.

What is the least humid month in Hartsburg?

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

What is the month with the shortest days in Hartsburg?

The month with the shortest days in Hartsburg, Missouri, is December, with an average of 9h and 30min of daylight.

Average temperature
Hartsburg, MO

Average temperature - Hartsburg, 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
Hartsburg, MO

Average pressure - Hartsburg, 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
Hartsburg, MO

Average wind speed - Hartsburg, 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
Hartsburg, MO

Average humidity - Hartsburg, MO

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

Average rainfall
Hartsburg, MO

Average rainfall - Hartsburg, 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
Hartsburg, MO

Average rainfall days - Hartsburg, 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
Hartsburg, MO

Average snowfall - Hartsburg, 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
Hartsburg, MO

Average snowfall days - Hartsburg, 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
Hartsburg, MO

Average daylight / Average sunshine - Hartsburg, 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
Hartsburg, MO

Average sunshine days - Hartsburg, 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
Hartsburg, MO

Average UV index - Hartsburg, 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
Hartsburg, MO

Average visibility - Hartsburg, 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).

Hartsburg, Missouri, USA

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