The highest day temperature in May 2025 was 51°F. The lowest night temperature was 28°F. The average values for day and night temperatures during May were 42.3°F и 36.6°F respectivly.

The average sea surface temperature in May 2025 for Rio Gallegos was 41.2°F. The maximum and minimum values were 36.2°F and 45.4°F respectively.

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

Precipitation total in May for Rio Gallegos is 0.3 in. This value is relatively stable throughout the year.

The average wind speed in May is 13.7 mph. It makes May one of the most windless months of the year for Rio Gallegos.

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 Rio Gallegos in May is 4.5 hours.