Sun, sea & sand

Chalkída weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

79

Holiday weather in May

Good

Best time to visit: June – September

What is the weather like in Chalkída in May?

In May, Chalkída is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain is rare: about 5 days bring 35 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, May is a good month for a holiday in Chalkída.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score417996
Day21°26°31°
Night10°15°20°
Sea15°19°23°
Sun8 h9 h11 h
Rain days653

More details for May

Daylight
14 h 14 min06:15 – 20:29
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
37 %on averageAll months
Hot days
6 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+3Europe/Athens

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %21 %
  • Sunshineweight 20 %97 %
  • Few rainy daysweight 20 %95 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • A jumper for the evenings

Chalkída in May: quick answers

Is Chalkída hot in May?

Warm rather than hot: in May, daytime highs in Chalkída average 26 °C and nights cool to about 15 °C. On about 6 days the thermometer climbs to 30 °C or more.

Can you swim in Chalkída in May?

Only if you don't mind cold water: in May the sea averages just 18.5 °C. Comfortable swimming is possible from June to October.

Does it rain much in Chalkída in May?

Rain is rare: about 5 days bring 35 mm in total.

Chalkída month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences