Kish Island weather in May
Iran

May in Kish Island: sweltering, dry, with poor air quality — fine if you can take 36°C afternoons.
#5 of 12 months in Kish Island · #98 of 1383 destinations to visit in May · comfort 92/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kish Island in May
No notes yet. Open Kish Island on the map to add the first one.
Kish Island climate normals — May
| Daytime high | 36°C / 97°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 28°C / 83°F | |
| Sea temperature | 27°C / 81°F | 😎 warm sea |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 42% | 🍃 comfortable |
| Dew point | 17°C / 63°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.5 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 101 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kish Island in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyMuharram and Ashura, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Kish Island's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKish Island's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Kish Island in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Gulf heat and humidity
20 May – 30 Sep · usuallyExtreme heatSticky rather than dry, and the sea gives no relief because it is as warm as the air. The island empties of Iranian holidaymakers and the prices follow them down.
- Holiday
Muharram and Ashura
25 May – 10 Jul · usuallyMuharram & AshuraClosuresMourning processions and closed music venues; the shopping centres stay open but the holiday trade stops dead for the first ten days. Hotels are cheap and half empty. Source ↗
- Season
Diving and beach season
15 Oct – 10 May · usuallyDive seasonThe water is clearest and the air bearable in the cool half of the year, which is when the dive operators and the glass-bottom boats actually run properly.
Nearby, and something's on
Within 300 km of Kish Island — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kish Island?
Kish Island in May — FAQ
- Is May a good time to visit Kish Island?
- May in Kish Island: sweltering, dry, with poor air quality — fine if you can take 36°C afternoons. It ranks #5 of 12 months for Kish Island on SeasonMap's comfort score (92/100).
- What is the weather like in Kish Island in May?
- In May, Kish Island averages a daily high of 36°C and a low of 28.1°C, with about 0.4 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Kish Island in May?
- Kish Island has a mean US Air Quality Index of about 101 in May.
Other months in Kish Island
Warmer or cooler than Kish Island in May
Similar destinations in Middle East — May
Within 300 km: Dubai's Global Village season around 10 Oct – 31 May, and Abu Dhabi's Hawksbill turtle nesting around 15 Mar – 15 Jul.