Naperville Weather in June

Naperville in June averages 27°C (81°F) during the day and 15°C (59°F) at night. This is the wettest month of the year, and part of the summer season.

Rainfall in Naperville in June

Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. Records from the past 30 years suggest around 14 days of rain, with 123 mm (4.8 in) average for the month. 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 Naperville in June

Daytime highs in Naperville in June reach 27°C (81°F), with nights around 15°C (59°F). June is part of summer. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Naperville in June

The days are predominantly sunny, with an estimated total of around 311 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Naperville.