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

May weather forecast and climate
Islip, NY

Mayo, the last month of the spring, in Islip, is a comfortable month, with average temperature fluctuating between 49.8°F (9.9°C) and 67.5°F (19.7°C).

Temperature

In Mayo, the average high-temperature rises, from a moderate 57.6°F (14.2°C) in Abril, to an enjoyable 67.5°F (19.7°C). The average low-temperature, in Islip, New York, is 49.8°F (9.9°C).

Rainfall

In Islip, it is raining for 11.1 days, with typically 3.78" (96mm) of accumulated precipitation. In Islip, during the entire year, the rain falls for 118.9 days and collects up to 46.24" (1174.5mm) of precipitation.

Snowfall

In Islip snow does not fall through Octubre.

Ocean temperature

In Islip, the average seawater temperature in Mayo is 53.4°F (11.9°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Islip, the average length of the day in Mayo is 14.5h.

What is the temperature in Mayo in Islip?

In Islip, in Mayo, the average high-temperature is 67.5°F (19.7°C), and the average low-temperature is 49.8°F (9.9°C).

How much does it rain in Islip in Mayo?

In Islip, New York, in Mayo, during 11.1 rainfall days, 3.78" (96mm) of precipitation is typically accumulated.

Does it snow in Islip in Mayo?

In Mayo, in Islip, it doesn't snow. Abril is the latest month when it typically snows.

When it does not snow in Islip?

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

What is the ocean temperature in Mayo in Islip?

In Islip, New York, the average seawater temperature in Mayo is 53.4°F (11.9°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

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

The average length of the day in Mayo in Islip is 14.5h.
Average temperature in May - Islip, NY
  • Average high temperature in May: 67.5°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 May: 49.8°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 May - Islip, NY
  • Average rainfall in May: 3.8"

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 May - Islip, NY
  • Average rainfall days in May: 11.1 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 May - Islip, NY
  • Average snowfall in May: 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 May - Islip, NY
  • Average snowfall days in May: 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 May - Islip, NY
  • Average sea temperature in May: 53.4°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 May - Islip, NY
  • Average daylight in May: 14.5h

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