Best time to visit Oia, Greece

Our verdict

The best time to visit Oia is April-May

While Oia is a popular destination to visit all year round, April-May is the ideal time to go due to a number of factors such as the climate, cost of travel and accommodation, as well as avoiding peak holiday periods.

In summer, the average maximum temperature is around 26℃ (79℉), but temperatures can sometimes reach as high as 27℃ (81℉) on the hottest days of the year. The weather in the winter, especially around January, can reach a minimum of 9℃ (47℉).

The longest days between sunrise and sunset in Oia are usually in August, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. You don’t want to get wet on your holiday, do you? Well if you’re trying to avoid the rain, then steer clear of Oia in February. Head over there in July instead if you want to increase your chances of not being rained on.

By the time you finish reading below, you’ll know everything you need to know about the best time to travel to Oia. Once you’re ready, we’ve even provided all the tools you’ll ever need to help you book your travel!

Warmest month

August

Least rainfall

July

Most daylight

August

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Oia seasons

Before you continue, it’s important to know when the seasons are in Oia as they might be different to yours depending on where in the world you’re travelling from. Oia is in the Northern Hemisphere, so the seasons fall during these months:

Season Months
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Oia

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Oia for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Oia climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Oia for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Oia in January

  • Average temperature: 14℃ (57℉)
  • Average high temperature: 15℃ (59℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 70%
  • Average sunny days: 13 days
  • Average rainfall: 35mm (1") over 14 days
13 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Oia in January, make sure you pack a light jumper or hoodie.


Oia in February

  • Average temperature: 14℃ (58℉)
  • Average high temperature: 15℃ (59℉)
  • Average low temperature: 13℃ (56℉)
  • Average humidity: 71%
  • Average sunny days: 14 days
  • Average rainfall: 38mm (1") over 12 days
14 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Oia in February, make sure you pack a light jumper or hoodie.


Oia in March

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 16℃ (60℉)
  • Average low temperature: 14℃ (57℉)
  • Average humidity: 71%
  • Average sunny days: 20 days
  • Average rainfall: 29mm (1") over 10 days
20 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Oia in March, make sure you pack a light jumper or hoodie.


Oia in April

  • Average temperature: 17℃ (62℉)
  • Average high temperature: 17℃ (63℉)
  • Average low temperature: 16℃ (60℉)
  • Average humidity: 73%
  • Average sunny days: 22 days
  • Average rainfall: 10mm (0") over 7 days
22 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Oia in April, make sure you pack a light jumper or hoodie.


Oia in May

  • Average temperature: 20℃ (68℉)
  • Average high temperature: 20℃ (68℉)
  • Average low temperature: 19℃ (66℉)
  • Average humidity: 75%
  • Average sunny days: 23 days
  • Average rainfall: 13mm (1") over 6 days
23 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Oia in May, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Oia in June

  • Average temperature: 23℃ (74℉)
  • Average high temperature: 24℃ (74℉)
  • Average low temperature: 23℃ (73℉)
  • Average humidity: 76%
  • Average sunny days: 25 days
  • Average rainfall: 6mm (0") over 3 days
25 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to Oia in June, make sure you pack t-shirts and light clothing.


Oia in July

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 26℃ (78℉)
  • Average low temperature: 25℃ (76℉)
  • Average humidity: 76%
  • Average sunny days: 29 days
  • Average rainfall: 2mm (0") over 1 days
29 days
of pure sunshine
1 days
of showers or rain

What to pack: If you’re heading to Oia in July, make sure you pack t-shirts and light clothing.


Oia in August

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 26℃ (79℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 77%
  • Average sunny days: 30 days
  • Average rainfall: 2mm (0") over 0 days
30 days
of pure sunshine
0 days
of showers or rain

What to pack: If you’re heading to Oia in August, make sure you pack t-shirts and light clothing.


Oia in September

  • Average temperature: 24℃ (75℉)
  • Average high temperature: 25℃ (76℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 73%
  • Average sunny days: 24 days
  • Average rainfall: 8mm (0") over 4 days
24 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Oia in September, make sure you pack t-shirts and light clothing.

Oia in October

  • Average temperature: 21℃ (70℉)
  • Average high temperature: 22℃ (71℉)
  • Average low temperature: 21℃ (69℉)
  • Average humidity: 72%
  • Average sunny days: 22 days
  • Average rainfall: 19mm (1") over 7 days
22 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Oia in October, make sure you pack t-shirts and maybe a light jumper for the evenings.


Oia in November

  • Average temperature: 19℃ (66℉)
  • Average high temperature: 19℃ (67℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 72%
  • Average sunny days: 18 days
  • Average rainfall: 26mm (1") over 9 days
18 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Oia in November, make sure you pack a light jumper or hoodie.


Oia in December

  • Average temperature: 16℃ (60℉)
  • Average high temperature: 16℃ (62℉)
  • Average low temperature: 15℃ (58℉)
  • Average humidity: 70%
  • Average sunny days: 14 days
  • Average rainfall: 33mm (1") over 14 days
14 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Oia in December, make sure you pack a light jumper or hoodie.


Top FAQs

The hottest month of the year in Oia is usually August, where temperatures tend to rise to around 26℃ (79℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Oia is generally around July. The dry season often coincides with cooler weather, so you should check the temperatures in July first to make sure it’s still a good time to go.
The rainiest time of year in Oia is generally around February, although the wetter season can sometimes extend a few months either side of February too.
If you want to get the most out of your time visiting Oia, or if you're just afraid of the dark, the days in August are usually the longest between sunrise and sunset.

Oia map