May weather forecast
Carterville, MO

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Weather in May

The last month of the spring, May, is a moderately hot month in Carterville, Missouri, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 57.2°F (14°C).

Temperature

Carterville in May experiences a slight uptick in the average high-temperature, adjusting from April's refreshing 67.3°F (19.6°C) to a warm 74.8°F (23.8°C). In May, in Carterville, the average low-temperature is a mild 57.2°F (14°C).

Humidity

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

Rainfall

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 5.04" (128mm) of precipitation.

Snowfall

January through March, May, November and December are months with snowfall. May is the first month it typically snows in Carterville. Throughout May, in the average 0.3 snowfall days, it receives 0.31" (8mm) of snow. In Carterville, during the entire year, snow falls for 11.8 days and aggregates up to 5.63" (143mm) of snow.

Daylight

The average length of the day in May in Carterville is 14h and 11min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:59 am and sunset at 8:31 pm CDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

The average daily maximum UV index in May in Carterville is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for Carterville in May?

The high-temperature, in May, in Carterville, records 74.8°F (23.8°C), while the low-temperature is 57.2°F (14°C).

What is the most humid month in Carterville?

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

What is the average humidity in May in Carterville?

The average relative humidity in May is 79%.

What is the wettest month in Carterville?

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 5.04" (128mm) of precipitation.

How much does it rain in Carterville in May?

In Carterville, in May, it is raining for 16.8 days, with typically 5.04" (128mm) of accumulated precipitation.

When does it start snowing in Carterville?

May is the first month it typically snows. Throughout May, in the average 0.3 snowfall days, it receives 0.31" (8mm) of snow.

What is the average length of the day in May in Carterville?

In May, the average day length in Carterville is 14h and 11min.

When is the sunrise / sunset in May in Carterville?

On the first day of May in Carterville, Missouri, sunrise is at 6:22 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:31 pm CDT.

How long on average sun shines in May in Carterville?

In May, the average sunshine duration in Carterville, Missouri, is 8.8h.

What is the UV index reading in May in Carterville?

In Carterville, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Carterville, MO

Average temperature in May - Carterville, MO
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in May: 57.2°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in May
Carterville, MO

Average pressure in May - Carterville, MO
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Carterville, MO

Average wind speed in May - Carterville, MO
  • Average wind speed in May: 9.2mph

The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in May
Carterville, MO

Average humidity in May - Carterville, MO
  • Average humidity in May: 79%

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

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Average rainfall in May
Carterville, MO

Average rainfall in May - Carterville, MO
  • Average rainfall in May: 5.04"

The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is February (1.54").

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Average rainfall days in May
Carterville, MO

Average rainfall days in May - Carterville, MO
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are January and December (6.8 days).

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Average snowfall in May
Carterville, MO

Average snowfall in May - Carterville, MO
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (2.44").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in May
Carterville, MO

Average snowfall days in May - Carterville, MO
  • Average snowfall days in May: 0.3 days

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

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Average daylight in May /
Average sunshine in May
Carterville, MO

Average daylight in May / Average sunshine in May - Carterville, MO
  • Average daylight in May: 14h and 1min

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 42min).

  • Average sunshine in May: 8h and 5min

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

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Average sunshine days in May
Carterville, MO

Average sunshine days in May - Carterville, MO
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in May
Carterville, MO

Average UV index in May - Carterville, MO
  • Average UV index in May: 6

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

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Average cloud cover in May
Carterville, MO

Average cloud cover in May - Carterville, MO
  • Average cloud cover in May: 38

The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 25).

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Average visibility in May
Carterville, MO

Average visibility in May - Carterville, MO
  • Average visibility in May: 6mi

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).

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Carterville, Missouri, USA

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