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

January weather forecast and climate
Islip, NY

Enero, the same as Diciembre, is another cold winter month in Islip, New York, with average temperature ranging between max 37.9°F (3.3°C) and min 23.4°F (-4.8°C).

Temperature

With an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 23.4°F (-4.8°C), Enero is the coldest month.

Rainfall

In Islip, New York, during Enero, the rain falls for 11 days and regularly aggregates up to 3.64" (92.5mm) of 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

Months with snowfall in Islip, New York, are Enero through Abril, Noviembre and Diciembre. In Islip, snow falls for 3.7 days, with typically accumulated 6.7" (170.2mm) of snow. In Islip, during the entire year, snow falls for 12.3 days, and aggregates up to 24.8" (629.9mm) of snow.

Ocean temperature

In Islip, the average seawater temperature is 42.3°F (5.7°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 Enero is 9.7h.

What is the coldest month in Islip?

Enero is the coldest month in Islip, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 23.4°F (-4.8°C).

What is the temperature in Enero in Islip?

In Islip, New York, in Enero, the average high-temperature is 37.9°F (3.3°C), and the average low-temperature is 23.4°F (-4.8°C).

How much does it rain in Islip in Enero?

In Islip, during Enero, the rain falls for 11 days and regularly aggregates up to 3.64" (92.5mm) of precipitation.

How many days does it snow in Enero in Islip?

In Islip, in Enero, during 3.7 snowfall days, 6.7" (170.2mm) of snow is typically accumulated.

What is the ocean temperature in Enero in Islip?

In Enero, the average ocean temperature in Islip, New York, is 42.3°F (5.7°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 Enero in Islip?

The average length of the day in Enero in Islip, New York, is 9.7h.
Average temperature in January - Islip, NY
  • Average high temperature in January: 38°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 January: 23.3°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 January - Islip, NY
  • Average rainfall in January: 3.6"

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 January - Islip, NY
  • Average rainfall days in January: 11 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 January - Islip, NY
  • Average snowfall in January: 6.7"

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 January - Islip, NY
  • Average snowfall days in January: 3.7 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 January - Islip, NY
  • Average sea temperature in January: 42.3°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 January - Islip, NY
  • Average daylight in January: 9.7h

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