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
May's arrival sees a rise in the average high-temperature, jumping from April's fresh 53.1°F (11.7°C) to a refreshing 65.8°F (18.8°C). Greenville encounters a steady low-temperature average of 48.2°F (9°C) throughout the month of May.Humidity
In Greenville, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 3.07" (78mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:42 pm. On the last day of May, sunrise is at 6:04 am and sunset at 9:13 pm EDT.
Sunshine
In Greenville, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Greenville. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during May translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Greenville have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Greenville, MI
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 48.2°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 (17.1°F).
Average pressure in May
Greenville, MI
- Average pressure in May: 29.97"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
Greenville, MI
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Greenville, 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
Greenville, MI
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Greenville, MI
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in May
Greenville, MI
- Average snowfall in May: 0"
The month with the highest snowfall is January (7.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Greenville, MI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Greenville, 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 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Greenville, MI
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in May
Greenville, 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, November and December (UV index 1).
Average cloud cover in May
Greenville, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Greenville, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
Greenville, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location