Istanbul Weather in May
In May, Istanbul averages a high of 23°C (74°F) and a low of 12°C (54°F), based on 53 years of historical weather data from ISTANBUL.
23°C
Average high
74°F
12°C
Average low
54°F
36°C
Record high
97°F · 1990
0°C
Record low
32°F · 1973
What to Expect in Istanbul in May
Typical May days in Istanbul reach 23°C (74°F) during the afternoon and cool to around 12°C (54°F) overnight. On average, measurable rain falls on about 34% of days this month. Over the past 53 years, May temperatures in Istanbul have ranged from a record high of 36°C (1990) down to a record low of 0°C (1973).
For a day-by-day look or other months, see the full Istanbul weather history.