United StatesThe weather in May in Onalaska
It's pleasantly warm in May in Onalaska with an average temperature of 22°C. Temperatures this month range from a low of 16°C to a high of 28°C. At night, you can expect temperatures between 7°C and 15°C.
Looking for sun? May isn’t a good month to be in Onalaska. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Onalaska, Wisconsin. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2018, Onalaska reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 6°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 25°C.
Rainfall amount
In May, there is an average of 185 mm of precipitation, spread over 20 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for Onalaska
Click on any day in May to get detailed info about the usual weather on that day in Onalaska. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Onalaska | New York | |
|---|---|---|
| Average temperature | 22°C | 22°C |
| Max. temperature | 28°C | 28°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 185 mm | 105 mm |
| Rainy days | 20 days | 14 days |
Start of May
The month of May starts in Onalaska with mild temps, averaging around 20°C during the day and nights around 9°C.
Mid May
By mid-May, daytime temps rise to around 22°C, with nights around 11°C. There’s a high chance of precipitation during this time.
End of May
By the end of May, the average daytime temperature in Onalaska is around 26°C, while nighttime temps are about 15°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Onalaska for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Onalaska, Wisconsin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Onalaska
Temperature in May in Onalaska over the years
Precipitation charts
These charts show the average amount of precipitation in May in Onalaska, Wisconsin. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Onalaska
Total precipitation in May in Onalaska over the years
Daily UV index in May in Onalaska
This chart shows the average daily UV index in May in Onalaska, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Onalaska
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Average weather in Onalaska by month
Click on a month below to see detailed weather info for Onalaska. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.