May weather forecast
Joplin, MO

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Amazing Grand Falls in Joplin, Missouri
Amazing Grand Falls in Joplin, Missouri

Weather in May

May demonstrates some of the first signs of the impending summer with a notable hike in temperature to 74.8°F (23.8°C). While the weather starts feeling warmer, rainfall also sees a peak at 5.04" (128mm), marking this month wettest in the year. Coupled with an increase in daylight hours, it is a perfect blend for blooming flora and fauna. Although there is a slight increase in the cloud cover percentage, the daylight hours compensate well enough to provide ample sunshine. Wind speeds drop to an average of 9.2mph (14.8km/h), extending a pleasant outdoor atmosphere.

Temperature

May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's refreshing 67.3°F (19.6°C) to a moderately hot 74.8°F (23.8°C). During the month of May, the temperature in Joplin falls to an average of 57.2°F (14°C).

Humidity

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

Rainfall

The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 5.04" (128mm) of precipitation.

Snowfall

Months with snowfall are January through March, May, November and December. May is the first month it typically snows. Throughout May, in the average 0.3 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, in Joplin, there are 11.8 snowfall days, and 5.63" (143mm) of snow is accumulated.

Daylight

In Joplin, the average length of the day in May is 14h and 10min.
On the first day of May, 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 8:32 pm CDT.

Sunshine

The average sunshine in May in Joplin is 8.8h.

UV index

The average daily maximum UV index in May in Joplin is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 during May translates into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are May temperatures in Joplin?

In Joplin, in May, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 57.2°F (14°C).

What is the most humid month in Joplin?

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

What is the average humidity in May in Joplin?

In May, the average relative humidity in Joplin, Missouri, is 79%.

What is the rainiest month in Joplin?

The month with the most rainfall in Joplin, Missouri, is May, when the rain falls for 16.8 days and typically aggregates up to 5.04" (128mm) of precipitation.

How many days does it rain in May in Joplin?

In Joplin, Missouri, in May, during 16.8 rainfall days, 5.04" (128mm) of precipitation is typically accumulated.

When does it start to snow in Joplin?

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

How many hours of daylight does Joplin have in May?

In Joplin, the average day length in May is 14h and 10min.

When is the sunrise / sunset in May in Joplin?

On the first day of May, 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 8:32 pm CDT.

How many hours of sunshine does Joplin have in May?

The average sunshine duration in May in Joplin is 8.8h.

How high is the UV index in May in Joplin?

In Joplin, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from 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
Joplin, MO

Average temperature in May - Joplin, 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
Joplin, MO

Average pressure in May - Joplin, 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
Joplin, MO

Average wind speed in May - Joplin, 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
Joplin, MO

Average humidity in May - Joplin, 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
Joplin, MO

Average rainfall in May - Joplin, 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
Joplin, MO

Average rainfall days in May - Joplin, 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
Joplin, MO

Average snowfall in May - Joplin, 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
Joplin, MO

Average snowfall days in May - Joplin, 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
Joplin, MO

Average daylight in May / Average sunshine in May - Joplin, 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
Joplin, MO

Average sunshine days in May - Joplin, 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
Joplin, MO

Average UV index in May - Joplin, 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
Joplin, MO

Average cloud cover in May - Joplin, 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
Joplin, MO

Average visibility in May - Joplin, 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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Joplin, Missouri, USA

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