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Saint MartinThe weather in May in Saint Louis
It's hot in May in Saint Louis with an average temperature of 30°C. Temperatures this month range from a low of 30°C to a high of 31°C. At night, you can expect temperatures between 25°C and 27°C.
May is a good month to be in Saint Louis for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Saint Louis, Saint Martin. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2021, Saint Louis reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 27°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 21°C to a highest value of 27°C.
Rainfall amount
In May, there is an average of 67 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the East.
Daily weather in May for Saint Louis
Click on any day in May to get detailed info about the usual weather on that day in Saint Louis. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Saint Louis | New York | |
|---|---|---|
| Average temperature | 30°C | 22°C |
| Max. temperature | 31°C | 28°C |
| Min. temperature | 25°C | -5°C |
| Total precipitation | 67 mm | 105 mm |
| Rainy days | 10 days | 14 days |
Start of May
The month of May starts in Saint Louis with hot temps, averaging around 30°C during the day and nights around 26°C.
Mid May
By mid-May, daytime temps rise to around 31°C, with nights around 27°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Saint Louis is around 31°C, while nighttime temps are about 27°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Saint Louis for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Saint Louis, Saint Martin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Saint Louis
Temperature in May in Saint Louis over the years
Precipitation charts
These charts show the average amount of precipitation in May in Saint Louis, Saint Martin. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Saint Louis
Total precipitation in May in Saint Louis over the years
Daily UV index in May in Saint Louis
This chart shows the average daily UV index in May in Saint Louis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Saint Louis
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Average weather in Saint Louis by month
Click on a month below to see detailed weather info for Saint Louis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.