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, Greenville's average high-temperature sees a rise, moving from April's fresh 50.7°F (10.4°C) to a refreshing 64°F (17.8°C). Greenville's temperature in May lowers to a consistent average of 46.6°F (8.1°C) during the nights.Humidity
The average relative humidity in May in Greenville is 77%.Rainfall
The month with the most rainfall in Greenville is May, when the rain falls for 15.9 days and typically aggregates up to 3.54" (90mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Greenville. During 0.2 snowfall days, in May, Greenville aggregates 0.08" (2mm) of snow. In Greenville, Wisconsin, during the entire year, snow falls for 56.9 days and aggregates up to 21.97" (558mm) of snow.Daylight
The average length of the day in May is 14h and 48min.On the first day of May in Greenville, Wisconsin, sunrise is at 5:43 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:30 pm CDT.
Sunshine
In Greenville, the average sunshine in May is 8.8h.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 exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the average May temperature in Greenville?
What is the average humidity in May in Greenville?
What is the rainiest month in Greenville?
How much does it rain in Greenville in May?
What is the last month it snows in Greenville?
What is the average length of the day in May in Greenville?
When are sunrise and sunset in May in Greenville?
How long on average sun shines in May in Greenville?
What are the months with the highest UV index in Greenville?
What is the UV index reading in May in Greenville?
Average temperature in May
Greenville, WI
- Average high temperature in May: 64°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 (21.9°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Greenville, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Greenville, WI
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Greenville, WI
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Greenville, WI
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in May
Greenville, WI
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in May
Greenville, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Greenville, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (14.2 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, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Greenville, WI
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in May
Greenville, WI
- 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, WI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Greenville, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Greenville, Wisconsin, USA
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