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The weather in May in Janesville

It's pleasantly warm in May in Janesville with an average temperature of 20°C. Temperatures this month range from a low of 16°C to a high of 26°C. At night, you can expect temperatures between 6°C and 14°C.

Looking for sun? May isn’t a good month to be in Janesville. 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 Janesville, Minnesota. 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, Janesville reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 5°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 24°C.

Rainfall amount

In May, there is an average of 114 mm of precipitation, spread over 13 days. The wind speed is around 5 Bft, mostly coming from the South.

Daily weather in May for Janesville

Click on any day in May to get detailed info about the usual weather on that day in Janesville. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Janesville New York
Average temperature 20°C 22°C
Max. temperature 26°C 28°C
Min. temperature 6°C -5°C
Total precipitation 114 mm 105 mm
Rainy days 13 days 14 days

Start of May

The month of May starts in Janesville with mild temps, averaging around 19°C during the day and nights around 7°C.

Mid May

By mid-May, daytime temps rise to around 20°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of May

By the end of May, the average daytime temperature in Janesville is around 24°C, while nighttime temps are about 13°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Janesville

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Janesville for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in Janesville, Minnesota. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Janesville

Temperature in May in Janesville over the years

Precipitation charts

These charts show the average amount of precipitation in May in Janesville, Minnesota. 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 Janesville

Total precipitation in May in Janesville over the years

Daily UV index in May in Janesville

This chart shows the average daily UV index in May in Janesville, 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 Janesville

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Average weather in Janesville by month

Click on a month below to see detailed weather info for Janesville. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.