May weather forecastSaint Martins, MO
May
Weather in May
May, the last month of the spring in Saint Martins, is a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 55.9°F (13.3°C).Temperature
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a comfortable 65.8°F (18.8°C) to a moderately hot 75.7°F (24.3°C). In May, Saint Martins encounters an average low-temperature of 55.9°F (13.3°C) during the night.Humidity
The most humid month is May, with an average relative humidity of 77%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.2 days and typically aggregates up to 3.46" (88mm) of precipitation.Snowfall
In Saint Martins, snow does not fall in April through September.Daylight
In May, the average length of the day in Saint Martins is 14h and 17min.On the first day of May, sunrise is at 6:10 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:27 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
In Saint Martins, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a regular UV index of 5 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Martins, MO
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Saint Martins, 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 Martins, MO
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in May
Saint Martins, MO
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Saint Martins, MO
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in May
Saint Martins, MO
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in May
Saint Martins, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Saint Martins, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Martins, 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Saint Martins, MO
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in May
Saint Martins, MO
- Average UV index in May: 5
The months with the highest UV index are 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 Martins, MO
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in May
Saint Martins, 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).
