The highest day temperature in May 2025 was 80°F. The lowest night temperature was 76°F. The average values for day and night temperatures during May were 79.9°F и 77.6°F respectivly.

The average sea surface temperature in May 2025 for San Cristobal Island was 80.0°F. The maximum and minimum values were 78.6°F and 81.0°F respectively.

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

Precipitation total in May for San Cristobal Island is 0.4 in. It makes may one of the most rainy months of the year.

The average wind speed in May is 9.4 mph.

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 San Cristobal Island in May is 6.7 hours.