Climate and monthly weather forecast
Arthur, MO

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Weather in January

January, like December, in Arthur, Missouri, is a wintry winter month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 39.9°F (4.4°C). January stands out as Arthur's coldest month, with temperatures ranging between an average high of 39.9°F (4.4°C) and a low of 25.2°F (-3.8°C). Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Arthur, Missouri, with an average temperature ranging between min 28.9°F (-1.7°C) and max 44.2°F (6.8°C). Arthur's entry into February measures an average high-temperature of a chilly 44.2°F (6.8°C), closely parallel to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Arthur, is a mild month, with an average temperature varying between 39.4°F (4.1°C) and 56.3°F (13.5°C). With the onset of March, Arthur's weather sees a temperature rise, transitioning from a chilly 44.2°F (6.8°C) in February to a moderate 56.3°F (13.5°C). Weather in March »

Weather in April

April in Arthur, Missouri, is an enjoyable spring month, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 47.1°F (8.4°C). April's arrival signals a temperature shift, moving from a refreshing 56.3°F (13.5°C) in March to an enjoyable 65.5°F (18.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Arthur, Missouri, with an average temperature fluctuating between 56.3°F (13.5°C) and 73.8°F (23.2°C). As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a refreshing 65.5°F (18.6°C) to a warm 73.8°F (23.2°C). Weather in May »

Weather in June

June, the first month of the summer in Arthur, is also a moderately hot month, with an average temperature ranging between min 66.7°F (19.3°C) and max 84.4°F (29.1°C). The beginning of June marks a shift in the average high-temperature, moving from May's moderately hot 73.8°F (23.2°C) to a still warm 84.4°F (29.1°C). Weather in June »

Weather in July

July in Arthur, Missouri, is a tropical summer month, with an average temperature ranging between min 68.9°F (20.5°C) and max 87.4°F (30.8°C). With average temperatures fluctuating between a high of 87.4°F (30.8°C) and a low of 68.9°F (20.5°C), July stands out as the warmest month. The heat index value during July is computed to be a fiery hot 102.2°F (39°C). Weather in July »

Weather in August

August, the last month of the summer in Arthur, is also a moderately hot month, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 85.6°F (29.8°C). The advent of August presents an average high-temperature of a moderately hot 85.6°F (29.8°C), maintaining a close correlation with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Arthur, is still a warm month, with an average temperature varying between 60.3°F (15.7°C) and 79°F (26.1°C). Arthur's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 85.6°F (29.8°C) to a still warm 79°F (26.1°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Arthur, Missouri, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 48.9°F (9.4°C). A moderate decline in the average high-temperature is seen during October, decreasing from a warm 79°F (26.1°C) in September to a comfortable 66.6°F (19.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Arthur, Missouri, with an average temperature fluctuating between 38.3°F (3.5°C) and 54.5°F (12.5°C). Arthur's progression into November involves a drop in the average high-temperature, receding from a refreshing 66.6°F (19.2°C) in October to a fresh 54.5°F (12.5°C). Weather in November »

Weather in December

December, the first month of the winter in Arthur, is still a chilly month, with an average temperature fluctuating between 29.5°F (-1.4°C) and 43.7°F (6.5°C). Arthur observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cool 54.5°F (12.5°C) to a chilly 43.7°F (6.5°C). Weather in December »
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

The coldest period is January, when temperatures fluctuate between an average high of 39.9°F (4.4°C) and a low of 25.2°F (-3.8°C).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 5 days and typically collects 0.79" (20mm) of precipitation.

How many days does it rain?

Throughout the year, there are 130.6 rainfall days, and 25.43" (646mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 12.2 snowfall days, and 4.29" (109mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 5.3h of sunshine, January has the least sunshine of the year.

What is the month 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. Snow falls for 4 days and accumulates 1.69" (43mm) 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.

When it does not snow?

April, June through September are months without snowfall.

What is the most humid month?

With an average relative humidity of 81%, May is the most humid month.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 4.49" (114mm) of precipitation.

When are the longest days?

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

When is the highest UV index?

June is the month with the highest UV index, with an average maximum UV index of 7.

What time of the year is the hottest?

July tends to be the warmest month, with temperatures averaging a daily high of 87.4°F (30.8°C) and a low of 68.9°F (20.5°C).

What month has the most sunshine?

With an average of 10.6h of sunshine, July has the most sunshine of the year.

What is the least humid month?

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

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

Average temperature
Arthur, MO

Average temperature - Arthur, MO

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure
Arthur, MO

Average pressure - Arthur, MO

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Arthur, MO

Average wind speed - Arthur, MO

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average rainfall
Arthur, MO

Average rainfall - Arthur, MO

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days
Arthur, MO

Average rainfall days - Arthur, MO

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5 days).

Average snowfall
Arthur, MO

Average snowfall - Arthur, MO

The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").

Average snowfall days
Arthur, MO

Average snowfall days - Arthur, MO

The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Arthur, MO

Average daylight / Average sunshine - Arthur, 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 36min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days
Arthur, MO

Average sunshine days - Arthur, MO

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is May (12.2 days).

Average UV index
Arthur, MO

Average UV index - Arthur, MO

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Arthur, MO

Average visibility - Arthur, 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).

Arthur, Missouri, USA

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