The highest day temperature in May 2025 was 114°F. The lowest night temperature was 63°F. The average values for day and night temperatures during May were 94.4°F и 72.2°F respectivly.

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

Precipitation total in May for Helwan is 0.0 in. This value is relatively stable throughout the year.

The average wind speed in May is 11.2 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 Helwan in May is 12.8 hours.