The highest day temperature in May 2026 was 69°F. The lowest night temperature was 48°F. The average values for day and night temperatures during May were 59.4°F и 56.8°F respectivly.

The average sea surface temperature in May 2026 for Sinop was 58.1°F. The maximum and minimum values were 52.8°F and 63.6°F respectively.

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

Precipitation total in May for Sinop is 1.4 in. It makes may one of the most rainy months of the year.

The average wind speed in May is 10.0 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 Sinop in May is 10.1 hours.