May weather forecastCreve Coeur, MO
May
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
With the arrival of May, the average high-temperature transitions from an enjoyable 65.5°F (18.6°C) in April to a warm 74.8°F (23.8°C). Creve Coeur experiences an average low-temperature of 57.7°F (14.3°C) in the month of May.Humidity
The most humid month is May, with an average relative humidity of 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
In Creve Coeur, snow does not fall in April through October.Daylight
In Creve Coeur, Missouri, the average length of the day in May 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 May, the average sunshine is 9.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in May /
Average sunshine in May
Creve Coeur, MO
- Average daylight in May: 14h and 18min
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 30min
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).
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).
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).
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).
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).





