Sun, sea & sand

Fira, Santorini weather in July

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

99

Holiday weather in July

Excellent

Best time to visit: July – September

Air temperature25°CNight 22°
Sea temperature23.8°Cpleasant
Sunshine13hrs / dayof 14.4 h daylight
Rainy days0days / month0 mm

What is the weather like in Fira, Santorini in July?

In July, Fira, Santorini is warm: daytime highs average 25 °C, and even at night it stays warm at around 22 °C. The sea averages 23.8 °C – pleasant for swimming. With around 13 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. It is often windy, with gusts of around 32 km/h. All in all, July is an excellent month for a holiday in Fira, Santorini.

July compared

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

JuneJunJulyJulAugustAug
Score8399100
Day23°25°26°
Night20°22°23°
Sea22°24°25°
Sun13 h13 h12 h
Rain days000

More details for July

Daylight
14 h 26 min06:11 – 20:37
UV index
10 · very highclear sky, noon (estimate)
Muggy days
28 daysdew point 18 °C or more
Wind
32 km/haverage daily peak
Cloud cover
1 %on average
Hot days
0 days30 °C or more
Time zone
UTC+3Europe/Athens

How the score comes together

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

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

What to pack in July

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Windproof jacket

Fira, Santorini in July: quick answers

Is Fira, Santorini hot in July?

Warm rather than hot: in July, daytime highs in Fira, Santorini average 25 °C and nights cool to about 22 °C.

Can you swim in Fira, Santorini in July?

Yes. In July the sea averages 23.8 °C – pleasant for swimming.

Does it rain much in Fira, Santorini in July?

It hardly ever rains.

Fira, Santorini 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, GeoNames (CC BY 4.0)