Greece
Santorini in March: weather, sea & travel advice
This month's data profile
Clear transition month
Santorini in March is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 15 °C, and the sea is about 16 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
55/100 · #9
Warmth
#10
Dryness
#8
Sun
#7
Sea warmth
#11
Published best categories: none
Santorini · MarchPhoto: Carl Rottmann · PDM-ownerClimate facts
- Average high
- 15 °C
- Average low
- 13 °C
- Sea
- 16 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 75 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| February | 14 | 12 | 11 | 71 | 3.9 | 75 | 6.2 | 16 | 45 |
| March (selected) | 15 | 13 | 8 | 47 | 5.6 | 75 | 5.7 | 16 | 55 |
| April | 17 | 15 | 5 | 25 | 7.4 | 76 | 4.9 | 17 | 66 |
How do the previous and next months compare?
Baseline: March (55/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| February | -10 | -1 °C | -1 °C | +3 | +24.3 mm | -1.7 h | +0.1 % | +0.5 m/s | -0.1 °C |
| April | +11 | +2 °C | +1.9 °C | -2.9 | -21.4 mm | +1.8 h | +1 % | -0.8 m/s | +0.6 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Santorini in March?
The average daily high is around 15 °C, with an average daily low of about 13 °C.
Can you swim in Santorini in March?
The sea is about 16 °C (cold).
Does it rain a lot in Santorini in March?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 47 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Santorini?
By the climate score, June, July, August and September are the strongest months for Santorini. For a beach trip: June, July, August and September. March is not among them.