Weather in Corfu in August

How August compares

August is the 1st warmest month of the year in Corfu and ranks 86th of 134 destinations we compare for August - see where else is hot in August. Within Greece it is 30th of 44 (Greece in August). Against London's average high of 21.4°C in August, Corfu is 6.5°C warmer by day and 10.0°C warmer at night.

Daytime and night-time in August

The typical August day in Corfu peaks at 27.9°C, but that is an average: the warmest 10% of days reach 30.8°C or more. About 94% of days top 25°C and 1 in 6 pass 30°C. Nights average 23.5°C; one night in ten drops to 21.7°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest August day here reached 36.3°C (2017-08-08) and the coldest night 19.4°C (1996-08-23).

Rain in August

Some rain (4-8 rainy days): about 3 days with 1 mm or more, 20 mm in total. Year to year it varies a lot - the wettest August was 1995 with 136 mm, the driest 1992 with 0 mm. Humidity averages 73%.

Sea temperature in August

The sea averages 25.9°C - warm enough to swim (22°c+). Depending on the year it ranges from 24.6°C to 27.0°C. This is the warmest the sea gets here all year.

Sunshine and daylight

Around 11.8 hours of sunshine a day (estimated from cloud cover), 13.6 hours of daylight: the sun rises about 06:53 and sets about 20:37 local time in mid-August. Average cloud cover is 13%.

Is August a good time to visit Corfu?

Yes - it is one of the better months: hot days, manageable rain and long sunny days. The best months for Corfu on our scoring are July, August, June; months averaging 25°C or more: Jul, Aug.

Expect lasting warmth, not just hot afternoons

August is Corfu's warmest month, and the heat is consistent: 94% of days reach 25°C. That suits travellers who want warmth without having to hope for a good spell. The catch is the combination of warm nights and 73% humidity, which can make the air feel muggy. Choose accommodation with cooling if you struggle to sleep in heat, and pack loose, breathable clothes. Days reaching 30°C account for 16% of the month, so intense heat is not the everyday pattern, but it remains a possibility. Keep strenuous plans away from midday and leave room for shaded breaks.

Plenty of sunshine, with some room for rain

With about 11.8 hours of sunshine across 13.6 hours of daylight, August gives you a long window for spending time outdoors. You do not need to make the hottest part of the day the centre of your plans: earlier outings and later swims leave space for a shaded lunch or an indoor break. Sun cream, a hat and sunglasses belong in your daily bag. There are about 3 rainy days, so an entirely dry holiday is not guaranteed. Keep plans flexible rather than packing as though wet weather will be a regular feature; a light rain layer is a sensible precaution.

A strong choice for swimming, less so for keeping cool

The sea averages 25.9°C, making August a good fit if swimming is central to your holiday. Its year-to-year range of 25°C to 27°C also points to reliably warm water rather than a bracing dip. The trade-off is that the sea may feel more like a comfortable change from the air than a sharp cool-down. Pack swimwear and light clothes, but give equal thought to shade and a comfortable place to sleep. August suits a relaxed pace built around the water; if your priority is long, energetic days outdoors without feeling hot, the weather is a less comfortable match.