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
Saint Charles's May weather brings a rise in high-temperatures, moving from a cool 52.5°F (11.4°C) in April to an enjoyable 64.8°F (18.2°C). Throughout the month of May, Saint Charles reports a steady low-temperature average of 48°F (8.9°C).Humidity
In May, the average relative humidity is 80%.Rainfall
In Saint Charles, during May, the rain falls for 16.9 days and regularly aggregates up to 3.15" (80mm) of precipitation. Throughout the year, there are 122.7 rainfall days, and 24.06" (611mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Saint Charles aggregates 0.67" (17mm) of snow. In Saint Charles, during the entire year, snow falls for 59.2 days and aggregates up to 21.65" (550mm) of snow.Daylight
The average length of the day in May is 14h and 46min.On the first day of May, sunrise is at 5:58 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:43 pm CDT.
Sunshine
In Saint Charles, the average sunshine in May is 8.1h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Charles in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Saint Charles have in May?
What is the UV index reading in May?
Average temperature in May
Saint Charles, MN
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in May
Saint Charles, MN
- Average pressure in May: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Saint Charles, MN
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in May
Saint Charles, MN
- Average humidity in May: 80%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Saint Charles, MN
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Saint Charles, MN
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in May
Saint Charles, MN
- Average snowfall in May: 0.67"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Charles, MN
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Charles, MN
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Saint Charles, MN
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in May
Saint Charles, MN
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Saint Charles, MN
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Saint Charles, MN
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).
Saint Charles, Minnesota, USA
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