Islip Weather in June

The climate in Islip during June can be summarized as warm, humid and a little damp.

June is in the summer in Islip and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 15°C (59°F) is normal.

On average June is the 3rd driest month of the year in Islip with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.5 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Islip in June 2025.