Weather in Kos in April 2025
Average weather
Average temperature in Kos in April
Going from a maximum of +18°C during the day to a minimum of +13°C during the night, the temperature in April averages around +17°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +17°C to +17°C.
Is Kos warm or cold in April?
Kos is typically mild in April.
Maximum temperatures go up compared to the previous month from +15°C to +18°C. The minimum temperature also goes up from +13°C to +15°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Kos:
Water temperature in Kos in April
Water in Kos in April is Fresh. It varies from +16°C to +19°C, with an average of +17°C. This is almost similar to the air temperature, which averages +18°C.
The water temperature in April is one of the coldest of the entire year:
Can you swim in Kos in April?
Climate in Kos in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +15°C | +18°C | +21°C | ||||
| Min. temperature | ||||||
| +3°C | +7°C | +12°C | ||||
| Max. temperature | ||||||
| +23°C | +29°C | +37°C | ||||
| Rainfall | ||||||
| 66 mm | 27 mm | 10 mm | ||||
| Wind | ||||||
| 6 m/s | 5 m/s | 5 m/s | ||||
| Avg. water temperature | ||||||
| +17°C | +17°C | +20°C | ||||
| Humidity | ||||||
| 74% | 77% | 80% | ||||
| Air pressure | ||||||
| 1014 HPa | 1012 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 10 | 12 | 17 | ||||
| Cloudy days | ||||||
| 9 | 10 | 9 | ||||
| Rainy days | ||||||
| 12 | 9 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April weather is still as good as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +15°C to +18°C during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 66 mm to 27 mm. Humidity rises from 74% to 77%. Winds are calmer in comparison to March, going down from 6 m/s to 5 m/s on average. The good news is there are likely to be more sunny days in April, from 10 to 12.
May brings much the same weather, it remains good.
Wind
The average wind speed is 6 m/s getting up to 14 m/s which is quite strong. The wind will cause branches to move and ground debris to fly around.
The average wind speed in Kos is gradually decreasing during April, going from 8 m/s to 7 m/s over the course of the month.
Rain
How was the weather last April in Kos?
Climate Change over Years
The climate in Kos in April has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+19°C) and the highest in 2018 (+24°C). The driest year was 1992 with only 335 mm of rainfall, and the wettest year was 2019 with 1062 mm.
FAQ
Is April a good time to visit Kos?
Can you sunbathe in Kos in April?
Can you swim in Kos in April?
Is Kos rainy in April?
Is it sunny in Kos in April?
Other cities in Greece
Monthly weather in Kos
Source of the data
For this page, we’ve looked at the typical weather in Kos, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.