Lake Bluff
Illinois, USA
Long-term weather forecast
Long-term weather forecast

February weather forecast and climate
Lake Bluff, IL

Ocean temperature

The month with the coldest seawater in Lake Bluff, Illinois, is February, with an average ocean temperature of 37°F (2.8°C).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

The average length of the day in February is 10.6h.

What month is the ocean coldest in Lake Bluff?

February is the month with the coldest seawater in Lake Bluff, with an average ocean temperature of 37°F (2.8°C).

What is the ocean temperature in February in Lake Bluff?

In Lake Bluff, Illinois, in February, the average water temperature is 37°F (2.8°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Lake Bluff have in February?

The average length of the day in February in Lake Bluff is 10.6h.
Average sea temperature in February - Lake Bluff, IL
  • Average sea temperature in February: 37.1°F

The best month for swimming (with the highest average sea temperature) is August (73.3°F).
The coldest month (with the lowest average sea temperature) is February (37.1°F).

Average daylight in February - Lake Bluff, IL
  • Average daylight in February: 10.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).