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Prospect Heights weather in May (Illinois, United States of America)

Planning a trip to Prospect Heights in May? Check out this comprehensive weather guide.

In May, Prospect Heights generally has pleasant temperatures and high rainfall. Daytime temperatures hover around 21°C, while nights can cool down to about 10°C.

Prospect Heights in May usually receives high rainfall, averaging around 102 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 13 days of the month will see rainfall.

The days are predominantly sunny, with an estimated total of around 282 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you prefer dry days with pleasant temperatures, September typically offers the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Prospect Heights climate page with graphs.

 

Prospect Heights, monthly averages in May

Min TemperatureMin Temperature 10°C  
Max TemperatureMax Temperature 21°C  
Chance of RainChance of Rain 42%  
PrecipitationPrecipitation 102 mm  
Rainy daysRainy days 13 days  
HumidityHumidity 64% *  
WindspeedWindspeed 18 km/h *  
SunshineSunshine 282 hours *  
Percentage SunshinePercentage Sunshine 62% *  
* Data from: Chicago, the United States of America (12 KM, 7 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America in May and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Prospect Heights in May?

For visitors traveling to Prospect Heights, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Cycling
9/10
Walking
9/10
Camping
3/10
Outdoor sports
9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Prospect Heights.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.