The highest day temperature in May 2026 was 114°F. The lowest night temperature was 85°F. The average values for day and night temperatures during May were 105.2°F и 90.2°F respectivly.

The average sea surface temperature in May 2026 for Muscat was 91.9°F. The maximum and minimum values were 89.6°F and 95.2°F respectively.

Almost all days in May are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in May for Muscat is 0.1 in. This value is relatively stable throughout the year.

The average wind speed in May is 7.2 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 Muscat in May is 12.8 hours.