Kish Island weather by month
The best time to visit Kish Island is March, April and November — 94/100 in March, 28°C and 2 rainy days. The best season is spring, March to May (93/100 on average).
The worst month is August at 86/100 — sweltering, dry, poor air quality. See August →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Iran →
Best season: March to May (93/100 on average) · worst August (86/100)
- Days
- 28°C
- Nights
- 20°C
- Wet days
- 2
- Sun
- 10.4 h
- Humidity
- 56%
- Daylight
- 12 h

Kish Island, month by month
Comfort score out of 100 for the kind of trip Kish Island is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Kish Island through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Kish Island in March
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.
Peak crowdsRamadan, Nowruz, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Kish Island
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters are direct that summer is the worst possible time to visit Kish Island, with temperatures reported well above 40C and stifling humidity, and consistently steer visitors instead toward the March-through-May and October-November windows as the genuinely pleasant times to go. Posters describe spring conditions warming steadily through the season, with April and May running noticeably hotter than March. Posters consistently recommend the warm, calm waters of the Persian Gulf here for swimming and water sports even outside peak summer heat. Posters generally rate March specifically as a comfortable entry point into that recommended spring window, before the fuller heat of April and May sets in.
Forum posters describe Kish Island's summer as genuinely the worst time to visit, with temperatures exceeding 40C and high humidity, some visitors specifically citing 110-115F conditions made worse by having to wear head coverings and coats. A local guide specifically advises against a September visit if it can be avoided, though notes conditions do moderate somewhat by the end of the month for anyone with no other option and reasonable heat tolerance. Posters consistently rate March-May and October-November as the genuinely comfortable windows, implying September sits at the tail end of the punishing summer stretch rather than truly in the shoulder season yet. Posters generally rate September as still hot and demanding for Kish Island, improving only toward the very end of the month, with October offering a clearly better-regarded alternative just weeks away.
Add your own note from Kish Island's card on the map.