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
With the onset of May, Saint Charles sees a temperature rise, with the average high-temperature moving from April's fresh 53.2°F (11.8°C) to a refreshing 66.6°F (19.2°C). Saint Charles experiences a consistent average temperature of 47.7°F (8.7°C) throughout the nights in May.Humidity
In Saint Charles, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.13" (54mm) of precipitation.Snowfall
In Saint Charles, snow does not fall in May through September.Daylight
The average length of the day in May in Saint Charles, Michigan, is 14h and 42min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:38 pm. On the last day of May, sunrise is at 5:59 am and sunset at 9:09 pm EDT.
Sunshine
In May, the average sunshine in Saint Charles, Michigan, is 8.7h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 in May translates into these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Saint Charles?
What is the average humidity in May in Saint Charles?
What is the wettest month in Saint Charles?
How many days does it rain in May in Saint Charles?
When it does not snow in Saint Charles?
Does it snow in Saint Charles in May?
What is the average length of the day in May in Saint Charles?
What time are sunrise and sunset in May in Saint Charles?
How long on average sun shines in May in Saint Charles?
What are the months with the highest UV index in Saint Charles?
What is the UV index reading in May in Saint Charles?
Average temperature in May
Saint Charles, MI
- Average high temperature in May: 66.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in May
Saint Charles, MI
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Saint Charles, MI
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in May
Saint Charles, MI
- Average humidity in May: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Saint Charles, MI
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in May
Saint Charles, MI
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in May
Saint Charles, MI
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Saint Charles, MI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (11.6 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, MI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Saint Charles, MI
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in May
Saint Charles, MI
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Saint Charles, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Saint Charles, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Saint Charles, Michigan, USA
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