The highest day temperature in April 2026 was 60°F. The lowest night temperature was 38°F. The average values for day and night temperatures during April were 51.4°F и 45.1°F respectivly.

The average sea surface temperature in April 2026 for Giresun was 52.5°F. The maximum and minimum values were 50.2°F and 55.0°F respectively.

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

Precipitation total in April for Giresun is 1.9 in.

The average wind speed in April is 5.7 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 Giresun in April is 8.3 hours.