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Rosemont Weather in May

May in Rosemont brings pleasant temperatures around 21°C (70°F) during the day, dropping to 11°C (52°F) at night, with quite a bit of rainfall expected, averaging around 117 mm (4.6 in) for the month.

Rainfall in Rosemont in May

Historically, May sees about 12 days of rain, with a monthly average of 117 mm (4.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Rosemont in May

May in Rosemont sees highs of 21°C (70°F) and lows of 11°C (52°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Rosemont in May

The city usually sees around 282 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Rosemont in May

Average wind conditions reach 5 m/s (10 knots) in May. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Rosemont's climate page.

Rosemont Temperature in May

Min TemperatureMin Temperature 11°C (52°F)  
Max TemperatureMax Temperature 21°C (70°F)  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 117 mm (4.6 in)  
Rainy daysRainy days 12 days  
HumidityHumidity 64% *  
WindspeedWindspeed 5 m/s (10 knots) *  
SunshineSunshine 282 hours *  
Percentage SunshinePercentage Sunshine 62% *  
* Data from: Chicago, the United States of America (2 KM, 1 Miles).

Best Places in the United States of America in May

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

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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 (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Rosemont in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Rosemont in May

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

Cycling
9/10
Walking
9/10
Camping
6/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Rosemont's climate page.

More climate data for Rosemont