Kos Weather by Month — Temperature & Rainfall Guide

Kos is a region in Greece. Many people wonder what the weather conditions are in Kos over the year. What is the best time to visit Kos?

This page shows the average weather conditions by month in Kos over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Kos is generally unpleasant. January is a winter month. In Kos Town you can expect mild maximum average daytime temperatures around 16°C (61°F) and nighttime temperatures around 12°C (54°F).

Find more detailed climate information for Kos in January here.

In February the weather in Kos is generally unpleasant. February is a winter month. In Kos Town you can expect mild maximum average daytime temperatures around 15°C (59°F) and nighttime temperatures around 12°C (54°F). On average, this month is the coldest month of the year in Kos.

Find more detailed climate information for Kos in February here.

In March the weather in Kos is generally tolerable. March is a winter month. In Kos Town you can expect mild maximum average daytime temperatures around 17°C (63°F) and nighttime temperatures around 13°C (55°F).

Find more detailed climate information for Kos in March here.

In April the weather in Kos ranges from pleasant in Kos Town to perfect in Kéfalos. In Kos Town you can expect pleasant maximum average daytime temperatures around 18°C (64°F) and nighttime temperatures around 15°C (59°F).

Find more detailed climate information for Kos in April here.

In May the weather in Kos is generally perfect. In Kos Town you can expect pleasant maximum average daytime temperatures around 21°C (70°F) and nighttime temperatures around 18°C (64°F).

Find more detailed climate information for Kos in May here.

In June the weather in Kos is generally perfect. In Kos Town you can expect warm maximum average daytime temperatures around 25°C (77°F) and nighttime temperatures around 22°C (72°F).

Find more detailed climate information for Kos in June here.

In July the weather in Kos is generally perfect. July is a summer month. In Kos Town you can expect warm maximum average daytime temperatures around 27°C (81°F) and nighttime temperatures around 24°C (75°F).

Find more detailed climate information for Kos in July here.

In August the weather in Kos is generally perfect. August is a summer month. In Kos Town you can expect warm maximum average daytime temperatures around 28°C (82°F) and nighttime temperatures around 25°C (77°F). On average, this month is one of the warmest months of the year in Kos. So be prepared and make sure to dress lightly.

Find more detailed climate information for Kos in August here.

In September the weather in Kos is generally perfect. September is a summer month. In Kos Town you can expect warm maximum average daytime temperatures around 26°C (79°F) and nighttime temperatures around 23°C (73°F).

Find more detailed climate information for Kos in September here.

In October the weather in Kos is generally perfect. In Kos Town you can expect warm maximum average daytime temperatures around 23°C (73°F) and nighttime temperatures around 20°C (68°F).

Find more detailed climate information for Kos in October here.

In November the weather in Kos ranges from pleasant in Kos Town to perfect in Kéfalos. In Kos Town you can expect pleasant maximum average daytime temperatures around 20°C (68°F) and nighttime temperatures around 17°C (63°F).

Find more detailed climate information for Kos in November here.

In December the weather in Kos ranges from poor in Kos Town to unpleasant in Kéfalos. In Kos Town you can expect mild maximum average daytime temperatures around 17°C (63°F) and nighttime temperatures around 14°C (57°F).

Find more detailed climate information for Kos in December here.