Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a refreshing 66.6°F (19.2°C) to a warm 76.3°F (24.6°C). Throughout the nights in May, an average low-temperature of 56.3°F (13.5°C) is noted in Saint Clair.Humidity
The most humid month is May, with an average relative humidity of 78%.Rainfall
The months with the most rainfall in Saint Clair are April and May, with an average 2.48" (63mm) of precipitation.Snowfall
In Saint Clair, snow does not fall in April through October.Daylight
In May, the average length of the day in Saint Clair, Missouri, is 14h and 16min.On the first day of May in Saint Clair, sunrise is at 6:06 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:21 pm CDT.
Sunshine
In Saint Clair, Missouri, the average sunshine in May is 9.2h.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 the average person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the temperature in May in Saint Clair?
What is the most humid month in Saint Clair?
What is the average humidity in May in Saint Clair?
What is the wettest month in Saint Clair?
How much does it rain in Saint Clair in May?
When it does not snow in Saint Clair?
How many hours of daylight does Saint Clair have in May?
When is the sunrise / sunset in May in Saint Clair?
How long on average sun shines in May in Saint Clair?
What are the months with the highest UV index in Saint Clair?
How high is the UV index in May in Saint Clair?
Average temperature in May
Saint Clair, MO
- Average high temperature in May: 76.3°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Saint Clair, 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
Saint Clair, MO
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Saint Clair, 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 (72%).
Average rainfall in May
Saint Clair, MO
- Average rainfall in May: 2.48"
The wettest months (with the highest rainfall) are April and May (2.48").
The driest months (with the least rainfall) are January and February (0.98").
Average rainfall days in May
Saint Clair, MO
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Saint Clair, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Saint Clair, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Saint Clair, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in May
Saint Clair, MO
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in May
Saint Clair, 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, November and December (UV index 2).
Average cloud cover in May
Saint Clair, MO
- Average cloud cover in May: 39
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in May
Saint Clair, MO
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Saint Clair, Missouri, USA
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