Climate and monthly weather forecast
Murphysboro, IL

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Weather in January

January, like December, in Murphysboro, Illinois, is a wintry winter month, with an average temperature varying between 39.6°F (4.2°C) and 26.2°F (-3.2°C). January, with its average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 26.2°F (-3.2°C), holds the record as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Murphysboro, is a frosty month, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 30°F (-1.1°C). February is marked by an average high-temperature of a chilly 43.7°F (6.5°C), almost identical to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Murphysboro, Illinois, with an average temperature fluctuating between 38.8°F (3.8°C) and 55.2°F (12.9°C). In March, the meteorological conditions change with the average high-temperature moving from a chilly 43.7°F (6.5°C) in February to a cool 55.2°F (12.9°C). Weather in March »

Weather in April

April in Murphysboro, Illinois, is an enjoyable spring month, with an average temperature ranging between min 48.6°F (9.2°C) and max 66.2°F (19°C). The arrival of April sees a shift in the average high-temperature, moving from a fresh 55.2°F (12.9°C) in March to an enjoyable 66.2°F (19°C). Weather in April »

Weather in May

May, the last month of the spring in Murphysboro, is a warm month, with an average temperature ranging between max 75.7°F (24.3°C) and min 58.3°F (14.6°C). In Murphysboro, the onset of May comes with an increased average high-temperature, moving from April's comfortable 66.2°F (19°C) to a warm 75.7°F (24.3°C). Weather in May »

Weather in June

June, the first month of the summer in Murphysboro, is still a warm month, with an average temperature fluctuating between 66.4°F (19.1°C) and 84.7°F (29.3°C). The onset of June marks an increase in the average high-temperature, moving from 75.7°F (24.3°C) in May to a still warm 84.7°F (29.3°C). Weather in June »

Weather in July

July is a tropical summer month in Murphysboro, Illinois, with temperature in the range of an average low of 68.7°F (20.4°C) and an average high of 87.4°F (30.8°C). In Murphysboro, the month of July is known for its highest average temperatures, reaching a high of 87.4°F (30.8°C) and a low of 68.7°F (20.4°C). In July, the average heat index is appraised at a very hot 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Murphysboro, Illinois, with an average temperature fluctuating between 66.4°F (19.1°C) and 85.8°F (29.9°C). The average high-temperature during August registers at a moderately hot 85.8°F (29.9°C), closely corresponding to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Murphysboro, is still a warm month, with an average temperature fluctuating between 80.4°F (26.9°C) and 60.3°F (15.7°C). The arrival of September signals a subtle shift in temperature, down from 85.8°F (29.9°C) in August to a still warm 80.4°F (26.9°C). Weather in September »

Weather in October

October, like September, in Murphysboro, Illinois, is another enjoyable autumn month, with an average temperature ranging between max 67.5°F (19.7°C) and min 49.3°F (9.6°C). October involves a decrease in temperature, down from a moderately hot 80.4°F (26.9°C) in September to an enjoyable 67.5°F (19.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Murphysboro, is also a fresh month, with an average temperature ranging between min 38.7°F (3.7°C) and max 54°F (12.2°C). The start of November comes with a reduction in the average high-temperature, receding from a refreshing 67.5°F (19.7°C) in October to a fresh 54°F (12.2°C). Weather in November »

Weather in December

December, the first month of the winter in Murphysboro, is also a frosty month, with an average temperature fluctuating between 43.7°F (6.5°C) and 31.8°F (-0.1°C). December suggests a modest reduction in the average high-temperature, shifting from a cool 54°F (12.2°C) in November to a frosty 43.7°F (6.5°C). Weather in December »

Frequently asked questions

What is the coldest month in Murphysboro?

In Murphysboro, January is the coldest month, with temperatures averaging a high of 39.6°F (4.2°C) and a low of 26.2°F (-3.2°C).

How much does it rain?

Throughout the year, there are 158.6 rainfall days, and 34.69" (881mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

Throughout the year, there are 15.9 snowfall days, and 5.71" (145mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine in Murphysboro is January, with an average of 4.7h 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.

When does it snow the most in Murphysboro?

February is the month with the most snowfall. Snow falls for 4.8 days and accumulates 1.73" (44mm) of snow.

When is Daylight Saving Time (DST)?

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

April is the month with the most rainfall. Rain falls for 15.5 days and accumulates 4.49" (114mm) of precipitation.

What is the most humid month?

With an average relative humidity of 79%, May is the most humid month.

When it does not snow?

May through September are months without snowfall.

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 are the longest days?

June has the longest days of the year, with an average of 14h and 42min 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 month is the hottest?

The month of July, characterized by an average high of 87.4°F (30.8°C) and a low of 68.7°F (20.4°C), is recognized as the warmest.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.85" (47mm) of precipitation.

What is the least humid month?

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

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

Average temperature
Murphysboro, IL

Average temperature - Murphysboro, IL

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°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 (26.2°F).

Average pressure
Murphysboro, IL

Average pressure - Murphysboro, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Murphysboro, IL

Average wind speed - Murphysboro, IL

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity
Murphysboro, IL

Average humidity - Murphysboro, IL

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Murphysboro, IL

Average rainfall - Murphysboro, IL

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days
Murphysboro, IL

Average rainfall days - Murphysboro, IL

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).

Average snowfall
Murphysboro, IL

Average snowfall - Murphysboro, IL

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Murphysboro, IL

Average snowfall days - Murphysboro, IL

The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Murphysboro, IL

Average daylight / Average sunshine - Murphysboro, IL

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

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days
Murphysboro, IL

Average sunshine days - Murphysboro, IL

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index
Murphysboro, IL

Average UV index - Murphysboro, IL

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
Murphysboro, IL

Average visibility - Murphysboro, IL

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).

Murphysboro, Illinois, USA

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