May weather forecastLake Geneva, WI
May
Weather in May
May, the last month of the spring in Lake Geneva, is a refreshing month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 48.7°F (9.3°C).Temperature
Lake Geneva sees an increase in the average high-temperature with the arrival of May, moving from April's fresh 54.1°F (12.3°C) to a comfortable 66°F (18.9°C). In May, the temperature drops to an average of 48.7°F (9.3°C) at night.Humidity
In May, the average relative humidity is 80%.Rainfall
In May, in Lake Geneva, Wisconsin, the rain falls for 17.9 days. Throughout May, 3.03" (77mm) of precipitation is accumulated. In Lake Geneva, during the entire year, the rain falls for 139.3 days and collects up to 25.79" (655mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lake Geneva. May is the last month it regularly snows in Lake Geneva. During 0.3 snowfall days, in May, Lake Geneva aggregates 0.12" (3mm) of snow. In Lake Geneva, during the entire year, snow falls for 44 days and aggregates up to 17.36" (441mm) of snow.Daylight
The average length of the day in May in Lake Geneva is 14h and 38min.On the first day of the month, sunrise is at 5:47 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:24 pm CDT.
Sunshine
The average sunshine in May is 8.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Enhance your sun protection with tightly woven, yet airy clothing. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lake Geneva, WI
- Average high temperature in May: 66°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 (25.5°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in May
Lake Geneva, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Lake Geneva, WI
- Average wind speed in May: 8.4mph
The windiest months (with the highest average wind speed) are February and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Lake Geneva, WI
- Average humidity in May: 80%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in May
Lake Geneva, WI
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in May
Lake Geneva, WI
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in May
Lake Geneva, WI
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lake Geneva, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lake Geneva, WI
- Average daylight in May: 14h and 36min
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 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Lake Geneva, WI
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in May
Lake Geneva, 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 and December (UV index 1).
Average cloud cover in May
Lake Geneva, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in May
Lake Geneva, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
