Weather Comparison
Athens vs Santorini
Side-by-side weather comparison for January
January Weather: Athens vs Santorini
| Metric | Athens | Santorini | Better |
|---|---|---|---|
| Average HighHigher is warmer | 12°C (54°F) | 13°C (55°F)▲ | Santorini |
| Average LowHigher is milder | 5°C (41°F) | 11°C (52°F)▲ | Santorini |
| Rain DaysFewer is drier | 8 days▲ | 10 days | Athens |
| PrecipitationLess is drier | 55 mm▲ | 60 mm | Athens |
| Sunshine HoursMore is sunnier | 7h/day | 8h/day▲ | Santorini |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 1▲ | 2 | Athens |
| Wind SpeedCalmer is better | 15 km/h▲ | 36 km/h | Athens |
Which City is Better in January?
Athens and Santorini are closely matched in January. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Athens is on the cooler side at 12°C, requiring warmer clothing. Santorini is cooler at 13°C.
For travelers who prioritize dry weather, Athens is the stronger choice in January. Santorini receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in January
Athens reaches an average high of 12°C (54°F) and drops to 5°C (41°F) at night during January. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Santorini averages 13°C (55°F) for the high and 11°C (52°F) for the low, with a daily range of 2°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in January.
Rainfall Comparison in January
Athens receives approximately 55 mm of rainfall across 8 rain days during January. You can expect rain roughly every other day.
Santorini sees 60 mm over 10 rain days. That makes Athens the drier option by 2 rain days and 5 mm of total precipitation.
Both cities share similar humidity levels at 65%.
What to Pack: Athens vs Santorini
Packing for Athens in January
Highs of 12°C, lows of 5°C, 8 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓a packable rain jacket
- ✓an umbrella
- ✓a warm scarf
Packing for Santorini in January
Highs of 13°C, lows of 11°C, 10 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
Pack for both: warm layers, a mid-weight jacket, long trousers. These items are useful in either destination during January.
Year-Round Comparison: Athens vs Santorini
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.January is highlighted for quick reference.
| Month | Athens | Santorini | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 12°C | 8d | 13°C | 10d |
| Feb | 13°C | 7d | 14°C | 9d |
| Mar | 16°C | 7d | 15°C | 7d |
| Apr | 20°C | 6d | 17°C | 4d |
| May | 25°C | 5d | 21°C | 2d |
| Jun | 30°C | 3d | 24°C | 1d |
| Jul | 33°C | 2d | 26°C | 0d |
| Aug | 33°C | 1d | 27°C | 0d |
| Sep | 28°C | 3d | 25°C | 1d |
| Oct | 23°C | 4d | 22°C | 4d |
| Nov | 18°C | 7d | 18°C | 6d |
| Dec | 13°C | 8d | 15°C | 9d |
Athens Weather in January
Full forecast, packing tips, and activities
Santorini Weather in January
Full forecast, packing tips, and activities