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Oía in January sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 12°C (54°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September, October and November typically offer the best weather for Oía.
Pick a month to see the average temperature, rainfall and sunshine in Oía - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in Oía typically stay consistent throughout January, with daily highs averaging around 16°C (61°F). Nights are cool, with lows around 10°C (50°F).
Browse day-by-day weather records for Oía spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Oía.
Find out more about the weather in Greece and which places have the best travel conditions in this month. See all of Greece in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can swing between comfortable and chilly in January, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Oía climate overview or explore weather in Greece.
Where to go in January - average daytime high across popular destinations.
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