Islip
New York, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Islip, NY

Julio, like Junio, in Islip, New York, is a moderately hot summer month, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 81.7°F (27.6°C).

Temperature

Julio is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 66°F (18.9°C).

Rainfall

In Julio, the rain falls for 9.1 days. Throughout Julio, 3.43" (87.1mm) of precipitation is accumulated. In Islip, New York, during the entire year, the rain falls for 118.9 days and collects up to 46.24" (1174.5mm) of precipitation.

Snowfall

In Islip, New York, snow does not fall in Mayo through Octubre.

Ocean temperature

In Islip, the average seawater temperature in Julio is 72.1°F (22.3°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 72.1°F (22.3°C).

Daylight

In Julio, the average length of the day is 14.7h.

What is the warmest month in Islip?

Julio is the warmest month in Islip, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 66°F (18.9°C).

What is the temperature in Julio in Islip?

In Islip, in Julio, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 66°F (18.9°C).

How many days does it rain in Julio in Islip?

In Islip, in Julio, it is raining for 9.1 days, with typically 3.43" (87.1mm) of accumulated precipitation.

When it does not snow in Islip?

In Islip snow does not fall in Mayo through Octubre.

What is the ocean temperature in Julio in Islip?

In Julio, the average ocean temperature is 72.1°F (22.3°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 72.1°F (22.3°C) water may be enjoyable.

What is the average length of the day in Julio in Islip?

The average length of the day in Julio in Islip is 14.7h.
Average temperature in July - Islip, NY
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (38°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.3°F).

Average rainfall in July - Islip, NY
  • Average rainfall in July: 3.4"

The wettest month (with the highest rainfall) is March (4.4").
The driest month (with the lowest rainfall) is February (3.3").

Average rainfall days in July - Islip, NY
  • Average rainfall days in July: 9.1 days

The month with the highest number of rainy days is April (11.3 days).
Months with the lowest number of rainy days are August and October (8.5 days).

Average snowfall in July - Islip, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is February (7.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in July - Islip, NY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (3.7 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in July - Islip, NY
  • Average sea temperature in July: 72.1°F

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in July - Islip, NY
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).