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
In Casco, stepping into May brings a temperature increase, moving up from April's fresh 52.3°F (11.3°C) to a refreshing 65.3°F (18.5°C). An average low-temperature of 47.8°F (8.8°C) is observed during the May nights.Humidity
In Casco, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall in Casco. Rain falls for 16.7 days and accumulates 2.64" (67mm) of precipitation.Snowfall
Months with snowfall in Casco are January through May, October through December. May is the last month it regularly snows in Casco. During 0.3 snowfall days, in May, Casco aggregates 0.47" (12mm) of snow. In Casco, during the entire year, snow falls for 61.9 days and aggregates up to 15.24" (387mm) of snow.Daylight
In May, the average length of the day in Casco is 14h and 39min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:31 pm. On the last day of May, in Casco, sunrise is at 5:55 am and sunset at 9:01 pm EDT.
Sunshine
In Casco, Michigan, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Casco in May?
What is the average humidity in May in Casco?
What is the rainiest month in Casco?
How many days does it rain in May in Casco?
What is the last month it snows in Casco?
How many hours of daylight does Casco have in May?
When is the sunrise / sunset in May in Casco?
How long on average sun shines in May in Casco?
What is the UV index intensity in May in Casco?
Average temperature in May
Casco, MI
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in May
Casco, MI
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Casco, MI
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Casco, MI
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Casco, MI
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is December (1.22").
Average rainfall days in May
Casco, MI
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in May
Casco, MI
- Average snowfall in May: 0.47"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Casco, MI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Casco, 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 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Casco, MI
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in May
Casco, MI
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Casco, MI
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Casco, 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).
Casco, Michigan, USA
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