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

May weather forecast and climate
Lake Bluff, IL

Ocean temperature

In May, the average ocean temperature in Lake Bluff, Illinois, is 43.3°F (6.3°C).
Note: Swimming in 43.3°F (6.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Lake Bluff, the average length of the day in May is 14.6h.

What is the water temperature in May in Lake Bluff?

In Lake Bluff, in May, the average water temperature is 43.3°F (6.3°C). Swimming in 43.3°F (6.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

The average length of the day in May is 14.6h.
Average sea temperature in May - Lake Bluff, IL
  • Average sea temperature in May: 43.4°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 May - Lake Bluff, IL
  • Average daylight in May: 14.6h

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