Weather in Islip

• All Year
• Spring
• Summer
• Autumn
• Winter

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• In Islip, temperatures show a distinct seasonal pattern, with the coldest month being January (min -0.9°C, max 3.9°C) and the warmest in July (min 21.9°C, max 27.1°C).

• The month of June marks the transition into warm summer temperatures, averaging between 17.6°C and 23.2°C, while January and February remain considerably cooler before the temperatures begin to rise significantly in spring.

Conditions

• In Islip, New York, the months with the highest sun hours are July (7.7 hours) and June (7.4 hours), indicating a clear trend towards sunnier days in the summer months.

• Precipitation varies throughout the year, with December recording the highest amount at 5.92mm, while June has the least precipitation at just 3.15mm, suggesting a dry period coinciding with peak summer sunlight.

Astronomy

• In Islip, New York, the earliest sunrise occurs at 5:22 AM in June, while the latest sunrise is at 7:12 AM in January, showcasing a significant variation of nearly two hours. Conversely, the sunset times range from the earliest at 4:27 PM in December to the latest at 8:24 PM in June, indicating longer evening light during the summer months.

• The shortest day, occurring in December, is 9 hours and 18 minutes, while the longest day stretches to 15 hours and 2 minutes in June, reflecting the typical seasonal changes in daylight hours. Overall, Islip experiences the most substantial differences in both sunrise and sunset times, highlighting the contrast between summer and winter days.