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 sea temperature 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, Kewaunee's weather sees a temperature rise, transitioning from a chilly 46.9°F (8.3°C) in April to a mild 58.8°F (14.9°C). The low-temperature in Kewaunee averages to a chilly 45.1°F (7.3°C) during the nights of May.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 76%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.3 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Kewaunee aggregates 0.12" (3mm) of snow. Throughout the year, there are 59.4 snowfall days, and 18.94" (481mm) of snow is accumulated.Ocean temperature
In May, the average ocean temperature is 40.5°F (4.7°C).Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
Daylight
In May, the average length of the day is 14h and 49min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:54 pm. On the last day of May, in Kewaunee, sunrise is at 5:08 am and sunset at 8:27 pm CDT.
Sunshine
The average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the temperature in May in Kewaunee?
What are the least humid months in Kewaunee?
What is the average humidity in May in Kewaunee?
What is the rainiest month in Kewaunee?
How much does it rain in Kewaunee in May?
What is the last month it snows in Kewaunee?
How cold is the water in May in Kewaunee?
How many hours of daylight does Kewaunee have in May?
What time are sunrise and sunset in May in Kewaunee?
How many hours of sunshine does Kewaunee have in May?
What is the UV index intensity in May in Kewaunee?
Average temperature in May
Kewaunee, WI
- Average high temperature in May: 58.8°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in May: 45.1°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 (16.5°F).
Average pressure in May
Kewaunee, WI
- 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 (29.91"Hg).
Average wind speed in May
Kewaunee, WI
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in May
Kewaunee, WI
- Average humidity in May: 76%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in May
Kewaunee, WI
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in May
Kewaunee, WI
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall in May
Kewaunee, WI
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Kewaunee, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Kewaunee, WI
- Average sea temperature in May: 40.4°F
The best month for swimming (with the highest average sea temperature) is August (69.7°F).
The coldest month (with the lowest average sea temperature) is February (36.6°F).
Average daylight in May /
Average sunshine in May
Kewaunee, 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 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in May
Kewaunee, WI
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (11 days).
Average UV index in May
Kewaunee, WI
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Kewaunee, WI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Kewaunee, WI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Kewaunee, Wisconsin, USA
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