The highest day temperature in May 2017 was 82°F. The lowest night temperature was 46°F. The average values for day and night temperatures during May were 75.1°F и 51.7°F respectivly.

The average sea surface temperature in May 2017 for Risan was 67.0°F. The maximum and minimum values were 61.4°F and 71.2°F respectively.

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

Precipitation total in May for Risan is 3.0 in. It makes may one of the least rainy months of the year.

The average wind speed in May 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 Risan in May is 11.3 hours.