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
The start of May brings a shift in the average high-temperature, increasing from April's fresh 54°F (12.2°C) to a refreshing 66.4°F (19.1°C). May's average low-temperature reading in Rockdale settles at a frosty 48.7°F (9.3°C).Humidity
In Rockdale, the average relative humidity in May is 79%.Rainfall
In Rockdale, in May, during 17.4 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. In Rockdale, Wisconsin, during the entire year, the rain falls for 134.9 days and collects up to 26.34" (669mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Rockdale. May is the last month it regularly snows in Rockdale. During 0.2 snowfall days, in May, Rockdale aggregates 0.04" (1mm) of snow. Throughout the year, in Rockdale, there are 45 snowfall days, and 18.19" (462mm) of snow is accumulated.Daylight
In May, the average length of the day in Rockdale is 14h and 40min.On the first day of the month, sunrise is at 5:48 am and sunset at 7:57 pm. On the last day of May, in Rockdale, sunrise is at 5:19 am and sunset at 8:28 pm CDT.
Sunshine
In May, the average sunshine in Rockdale is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Rockdale in May?
What is the average humidity in May in Rockdale?
How much does it rain in Rockdale in May?
What is the last month it snows in Rockdale?
How many hours of daylight does Rockdale have in May?
When are sunrise and sunset in May in Rockdale?
How long on average sun shines in May in Rockdale?
What are the months with the highest UV index in Rockdale?
What is the UV index intensity in May in Rockdale?
Average temperature in May
Rockdale, WI
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Rockdale, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Rockdale, WI
- 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 August (6.6mph).
Average humidity in May
Rockdale, WI
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Rockdale, WI
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (1.1").
Average rainfall days in May
Rockdale, WI
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4 days).
Average snowfall in May
Rockdale, WI
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rockdale, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rockdale, WI
- 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Rockdale, WI
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in May
Rockdale, 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
Rockdale, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Rockdale, 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).
Rockdale, Wisconsin, USA
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