Marmari weather in July 2026

Q: How hot is it in Marmari in July?

Daytime temperatures usually reach 32°C in Marmari in July with high heat and humidity, falling to 22°C at night.

Q: How sunny is it in Marmari in July?

There are normally 14 hours of bright sunshine each day in Marmari in July - that's 97% of daylight hours.

Q: How warm is the sea around Marmari in July?

The average sea temperature around Marmari in July is 23°C.

Q: Does it rain in Marmari in July?

There are usually 6 days with some rain in Marmari in July and the average monthly rainfall is 2mm.

Expect daytime maximum temperatures of 90°F in Marmari, Kos in July and high heat and humidity based on long-term weather averages. There are 14 hours of sunshine per day on average.

90
90°F max day temperature
14
14 hours of sunshine per day
5
5 days with some rainfall
72
72°F min night temperature
14
14 hours of daylight per day
H
High heat & humidity
0.0
0.0 inches of monthly rainfall
10
10 (Very High) UV index
73
73°F sea temperature

More about Marmari

Marmari by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Kos

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The July weather guide for Kos (Marmari) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)