May weather forecast
Creve Coeur, MO

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Weather in May

May in Creve Coeur is characterized by mild to warm conditions, a significant bump up from the chilly winter months, and the cool spring months. The averages soar to 74.8°F (23.8°C) for high temperatures and 57.7°F (14.3°C) for low temperatures, arguably the first true taste of summer. Similarly, the hours of daylight and sunshine increase dramatically, creating plenty of opportunities for daytime activities. Flowering plants are at their peak during May, providing an array of colors to the city's landscape. While it is not the wettest, rainfall remains somewhat consistent ensuring that maintaining green lawns isn't much of a task.

Temperature

The shift into May in Creve Coeur brings an increase in the average high-temperature, moving from a comfortable 65.5°F (18.6°C) in April to a warm 74.8°F (23.8°C). Throughout May, the average low-temperature in Creve Coeur dips to a refreshing 57.7°F (14.3°C).

Humidity

With an average relative humidity of 78%, May is the most humid month in Creve Coeur.

Rainfall

May is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.58" (91mm) of precipitation.

Snowfall

In Creve Coeur, snow does not fall in April through October.

Daylight

The average length of the day in May in Creve Coeur is 14h and 18min.
On the first day of May, sunrise is at 6:03 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:20 pm CDT.

Sunshine

In Creve Coeur, the average sunshine in May is 9.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, an average UV index of 6 transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What are May temperatures in Creve Coeur?

In Creve Coeur, 74.8°F (23.8°C) is the average high-temperature and 57.7°F (14.3°C) is the average low-temperature during May.

What is the most humid month in Creve Coeur?

With an average relative humidity of 78%, May is the most humid month.

What is the average humidity in May in Creve Coeur?

The average relative humidity in May in Creve Coeur is 78%.

What is the wettest month in Creve Coeur?

The month with the most rainfall in Creve Coeur, Missouri, is May, when the rain falls for 16.9 days and typically aggregates up to 3.58" (91mm) of precipitation.

How much does it rain in Creve Coeur in May?

In Creve Coeur, Missouri, in May, during 16.9 rainfall days, 3.58" (91mm) of precipitation is typically accumulated.

When it does not snow in Creve Coeur?

In Creve Coeur, snow does not fall in April through October.

What is the average length of the day in May in Creve Coeur?

The average day length in May is 14h and 18min.

What time are sunrise and sunset in May in Creve Coeur?

On the first day of May, sunrise is at 6:03 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:20 pm CDT.

How many hours of sunshine does Creve Coeur have in May?

In May, the average sunshine duration is 9.5h.

When is the highest UV index in Creve Coeur?

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

What is the UV index intensity in May in Creve Coeur?

In Creve Coeur, Missouri, 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
Creve Coeur, MO

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

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in May
Creve Coeur, MO

Average pressure in May - Creve Coeur, MO
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Creve Coeur, MO

Average wind speed in May - Creve Coeur, MO
  • Average wind speed in May: 7.2mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in May
Creve Coeur, MO

Average humidity in May - Creve Coeur, MO
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Creve Coeur, MO

Average rainfall in May - Creve Coeur, MO
  • Average rainfall in May: 3.58"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in May
Creve Coeur, MO

Average rainfall days in May - Creve Coeur, MO
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in May
Creve Coeur, MO

Average snowfall in May - Creve Coeur, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Creve Coeur, MO

Average snowfall days in May - Creve Coeur, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in May /
Average sunshine in May
Creve Coeur, MO

Average daylight in May / Average sunshine in May - Creve Coeur, MO
  • Average daylight in May: 14h and 2min

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).

  • Average sunshine in May: 9h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in May
Creve Coeur, MO

Average sunshine days in May - Creve Coeur, MO
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in May
Creve Coeur, MO

Average UV index in May - Creve Coeur, MO
  • Average UV index in May: 6

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 and December (UV index 2).

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Average cloud cover in May
Creve Coeur, MO

Average cloud cover in May - Creve Coeur, MO
  • Average cloud cover in May: 36

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Creve Coeur, MO

Average visibility in May - Creve Coeur, 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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Creve Coeur, Missouri, USA

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