May weather forecastOlivette, MO
May
Weather in May
May, the last month of the spring in Olivette, is a moderately hot month, with an average temperature fluctuating between 57.7°F (14.3°C) and 74.8°F (23.8°C).Temperature
As May sets, the average high-temperature shows an increase, moving up from an enjoyable 65.5°F (18.6°C) in April to a warm 74.8°F (23.8°C). Throughout May nights, Olivette experiences a consistent temperature average of 57.7°F (14.3°C).Humidity
With an average relative humidity of 78%, May is the most humid month in Olivette, Missouri.Rainfall
May is the month with the most rainfall in Olivette, Missouri. Rain falls for 16.9 days and accumulates 3.58" (91mm) of precipitation.Snowfall
In Olivette, snow does not fall in April through October.Daylight
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 8:19 pm CDT.
Sunshine
In May, the average sunshine in Olivette 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 risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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
Olivette, 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).
