The highest day temperature in May 2025 was 94°F. The lowest night temperature was 47°F. The average values for day and night temperatures during May were 77.2°F и 63.5°F respectivly.

The average sea surface temperature in May 2025 for Matinhos was 77.0°F. The maximum and minimum values were 75.0°F and 78.4°F respectively.

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation total in May for Matinhos is 1.5 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 3.1 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Matinhos in May is 4.9 hours.