Michigan, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Gibraltar, MI

Ocean temperature

In Gibraltar, Michigan, the average seawater temperature in May is 48.9°F (9.4°C).
Note: Swimming in 48.9°F (9.4°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.


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

How cold is the water in May in Gibraltar?

In Gibraltar, in May, the average water temperature is 48.9°F (9.4°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.

How many hours of daylight does Gibraltar have in May?

In Gibraltar, Michigan, the average length of the day in May is 14.6h.
Average sea temperature in May - Gibraltar, MI
  • Average sea temperature in May: 48.9°F

The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).

Average daylight in May - Gibraltar, MI
  • 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: 9.2h).