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
Graytown's May weather shows an increase in high-temperatures, moving from April's fresh 50.5°F (10.3°C) to a comfortable 64°F (17.8°C). During May nights, Graytown records an average temperature of 46.4°F (8°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Graytown, Wisconsin, in May, during 14.9 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Graytown, there are 128.1 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Graytown aggregates 0.47" (12mm) of snow. In Graytown, during the entire year, snow falls for 74.5 days and aggregates up to 24.06" (611mm) of snow.Daylight
The average length of the day in May is 14h and 53min.On the first day of May, sunrise is at 5:55 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:48 pm CDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
In Graytown, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Make use of precautions - It is urged to ward off sun damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May in Graytown?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Graytown have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Graytown, WI
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in May
Graytown, WI
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Graytown, WI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Graytown, WI
- Average humidity in May: 77%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Graytown, WI
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Graytown, WI
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in May
Graytown, WI
- Average snowfall in May: 0.47"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Graytown, WI
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Graytown, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in May
Graytown, WI
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in May
Graytown, WI
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Graytown, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Graytown, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Graytown, Wisconsin, USA
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