The weather in May in Casco

It's pleasantly warm in May in Casco with an average temperature of 19°C. Temperatures this month range from a low of 15°C to a high of 25°C. At night, you can expect temperatures between 4°C and 14°C.

Looking for great weather? May is a good time to be in Casco. The temperatures are nice, and there’s not too much 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 Casco, 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 32°C in 2018, Casco reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 4°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 20°C.

Precipitation and snowfall

In May, there is an average of 81 mm of precipitation, spread over 12 days. Of the total precipitation, about 0,3 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in May for Casco

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

May weather comparison

  Casco New York
Average temperature 19°C 22°C
Max. temperature 25°C 28°C
Min. temperature 4°C -5°C
Total precipitation 81 mm 105 mm
Rainy days 12 days 14 days
Total snowfall 0,3 cm 0 cm
Snowy days 1 day 0 days

Start of May

The month of May starts in Casco with cool temps, averaging around 17°C during the day and nights around 7°C.

Mid May

By mid-May, daytime temps rise to around 19°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of May

By the end of May, the average daytime temperature in Casco is around 23°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

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UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

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

Temperature charts

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

Daily Temperature in May in Casco

Temperature in May in Casco over the years

Precipitation charts

These charts show the average amount of precipitation in May in Casco, 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 Casco

Total precipitation in May in Casco over the years

Daily Snowfall in May in Casco

Snowfall in May in Casco per year

Daily UV index in May in Casco

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

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Average weather in Casco by month

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