Monthly climate guide
Halkidiki weather in May
Expect warm weather in Halkidiki in May: afternoons reach about 21°C (70°F), while nights drop to around 18°C (64°F). Around 37 mm of rain falls over the month (fairly dry), and skies are often cloudy. Daytime highs are 5°C warmer than April and 5°C cooler than June.
What stands out in May
- Good walking weather for combining Sithonia and Kassandra in one day.
- Days and nights are close, only about 3°C apart.
- Temperatures are climbing — June is around 5°C warmer.
- Halkidiki is usually about 3°C cooler than Thessaloniki, 70 km away, in May.
Avg high
21°C
70°F
Avg low
18°C
64°F
Rainfall
37 mm
fairly dry
Humidity
72%
relative
Sky
56%
cloud · often cloudy
Halkidiki weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 11°C / 53°F | 9°C / 48°F | 61 mm | 75% | 67% |
| February | 12°C / 54°F | 10°C / 49°F | 54 mm | 77% | 69% |
| March | 14°C / 57°F | 11°C / 51°F | 65 mm | 76% | 61% |
| April | 17°C / 62°F | 13°C / 56°F | 33 mm | 73% | 54% |
| May | 21°C / 70°F | 18°C / 64°F | 37 mm | 72% | 56% |
| June | 26°C / 79°F | 22°C / 72°F | 38 mm | 66% | 42% |
| July | 29°C / 83°F | 25°C / 77°F | 26 mm | 63% | 25% |
| August | 29°C / 84°F | 25°C / 78°F | 18 mm | 61% | 25% |
| September | 25°C / 78°F | 22°C / 72°F | 46 mm | 65% | 37% |
| October | 20°C / 69°F | 18°C / 64°F | 45 mm | 71% | 50% |
| November | 16°C / 62°F | 14°C / 58°F | 59 mm | 75% | 64% |
| December | 13°C / 55°F | 11°C / 51°F | 74 mm | 74% | 63% |
What to pack for May
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is May a good time to visit Halkidiki?
Our Halkidiki guide recommends: June and September for warm sea and quieter beaches; July and August are busiest.
Sithonia's beaches are quieter than Kassandra's; stay there if you want space.
Best time to visit Halkidiki →Other Greece cities in May
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Halkidiki weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/greece/halkidiki/may
<a href="https://weathercompare.eu/weather/greece/halkidiki/may">Halkidiki weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/greece/halkidiki" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Halkidiki weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/greece/halkidiki/may">Halkidiki weather in May</a> – WeatherCompare</p>
Halkidiki in May: quick answers
Is May a good time to visit Halkidiki?
Yes. May is one of the best months for Halkidiki, with highs around 21°C and about 37 mm of rain.
How warm is Halkidiki in May?
Average highs are about 21°C (70°F) and average lows about 18°C (64°F), based on 10 years of daily data.
Does it rain a lot in Halkidiki in May?
Halkidiki typically gets around 37 mm of rain in May — fairly dry.
When is the best time to visit Halkidiki?
June and September for warm sea and quieter beaches; July and August are busiest.
Figures are long-term averages for the area around Halkidiki (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.