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Best
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Tan
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Tan
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Sea
4°
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3°
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3°
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4°
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5°
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10°
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Sea
17°
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20°
Swim
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16°
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13°
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8°
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5°
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May has average maximum temperatures of 22°C (71°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright. May has total rainfall of 9.8cm (3.9inches) making it mostly dry with only intermittent light showers. There are only 13.3 days with some rainfall so you can still enjoy the beach on the majority of days. It is a good time for sunbathing in Illinois. Sea temperatures are a cold 5°C (41°F). May is too cold for swimming in Illinois for any length of time, unless you have a wetsuit.
Consider visiting Illinois in the months of June, July, August, September, for the best beach weather.
Also consider one of our other suggestions for May.
Yes, May is a good time for sunbathing in Illinois.
May has average maximum temperatures of 22°C (71°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright. May has total rainfall of 9.8cm (3.9inches) making it mostly dry with only intermittent light showers. There are only 13.3 days with some rainfall so you can still enjoy the beach on the majority of days.
More about May temperature and sunshine.
No, May is too cold for swimming in Illinois for any length of time, with the sea water at 5°C (41°F), unless you have a wetsuit.
More about May sea temperatures.
Yes, May is a good time for a holiday in Illinois.
May has average maximum temperatures of 22°C (71°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright. May has total rainfall of 9.8cm (3.9inches) making it mostly dry with only intermittent light showers. There are only 13.3 days with some rainfall so you can still enjoy the beach on the majority of days. It is a good time for sunbathing in Illinois. Sea temperatures are a cold 5°C (41°F). May is too cold for swimming in Illinois for any length of time, unless you have a wetsuit.
More about the May temperatures and sunshine.
Yes, Illinois is nice and warm and makes sunbathing pleasant on clear days in May.
The average maximum temperature in Illinois in May is 22°C (71°F). The average maximum temperature is 16°C (60°) in the previous month and 27°C (80°F) in the next month.
The average temperature in Illinois in May is 16°C (62°F). The average temperature is 11°C (51°F) in the previous month and 22°C (71°F) in the next month.
More info about the May temperatures and sunshine.
The average day light hours per day in Illinois in May are 14.5. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright.
More about May sunshine.
The average maximum temperature in Illinois in May is 22°C (71°F). The average maximum temperature is 16°C (60°F) in the previous month and 27°C (80°F) in the next month.
The average temperature in Illinois in May is 16°C (62°F). The average temperature is 11°C (51°F) in the previous month and 22°C (71°F) in the next month.
The average minimum temperature in Illinois in May is 11°C (52°F). The minimum temperature is 6°C (42°F) in the previous month and 17°C (63°F) in the next month.
During May the average day light hours are 14.5 per day in Illinois. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright.
The ultraviolet index in Illinois in May is typically 8.8 during May. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Illinois in May is 4.8°C (40.6°F) which is extremely cold and not suitable for swimming. Taking a dip at this temperature would risk hypothermia.
The average total rainfall in Illinois in May is 9.8cm (3.9inches) and on average there are 13.3 rainy days in May making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Illinois in May is 11°C (52°F) which is very comfortable. The dew point is 6°C (42°F) in the previous month and 17°C (17°F) in the next month.
The average maximum relative humidity in Illinois in May is typically 81.4%. The maximum relative humidity is 79.4% in the previous month and 82.3% in the next month.
The average relative humidity in Illinois in May is typically 61.2%. The average relative humidity is 59.9% in the previous month and 62.3% in the next month.
The average maximum wind speed in Illinois in May is typically 30KM/H (19MPH). The average maximum wind speed is 33KM/H (20MPH) in the previous month and 30KM/H (18MPH) in the next month.
The average wind speed in Illinois in May is typically 15KM/H (9MPH). The average wind speed is 18KM/H (11MPH) in the previous month and 14KM/H (8MPH) in the next month.
The average wind direction in Illinois in May is from the East-Southeast.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
