The largest Greek island, big enough to have its own mountain weather behind the beach weather. Daytime highs in Crete run from about 13 °C in January to 29 °C in July, an annual range of roughly 16 °C.
Measured against a beach trip, the conditions hold up May to October. June is the most consistent single month: highs near 27 °C, nights around 19 °C, and roughly 8 mm of rain across the month.
The binding constraint here is temperature and rainfall — that is what rules months out, not any composite judgement. Rainfall is sharply seasonal: January averages 95 mm against 3 mm in July, so the wet season is the real planning constraint rather than heat or cold. January is the weakest month on these criteria.
Month by month
| Month | High °C | Low °C | Precip mm | Wet days |
|---|---|---|---|---|
| January | 13 | 9 | 95 | 13.2 |
| February | 14 | 9 | 77 | 11.3 |
| March | 16 | 10 | 61 | 9.2 |
| April | 19 | 12 | 34 | 5.6 |
| May | 23 | 16 | 18 | 3.9 |
| June | 27 | 19 | 8 | 1.5 |
| July | 29 | 22 | 3 | 0.6 |
| August | 29 | 22 | 5 | 1.1 |
| September | 26 | 20 | 19 | 3.1 |
| October | 23 | 17 | 41 | 6.2 |
| November | 19 | 14 | 63 | 8.4 |
| December | 15 | 11 | 88 | 12.6 |
Ticked rows are months where every hard requirement for a beach trip is met across at least half the month.
Open Crete on the map →Nearby regions
Figures are 30-year climatology sampled at Chania, Heraklion, Rethymno, Agios Nikolaos and Ierapetra, averaged across those locations, from ERA5-Land reanalysis fitted with a harmonic seasonal cycle and a trend term, evaluated for 2026. Sampling named towns rather than averaging the whole region avoids blending valley and mountain conditions into a figure true of neither. Cells are about 0.08° wide, from ERA5-Land's 0.1° grid, which is itself driven by a 0.25° (~28 km) atmospheric reanalysis — so individual valleys, sheltered bays and single summits are not resolved. In steep terrain read these as conditions for the wider area rather than for one village. They describe typical conditions, not a forecast. Read how the climatology is built.