Kalymnos weather by month & the best time to visit
🇬🇷 Greece · beach resort · Mediterranean climate
The best time to visit Kalymnos is June — its sunniest month (Sunshine Score 97/100), with July and August close behind. Kalymnos averages about 3,101 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 5 mm of rain in June.
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- Sun hours / year
- 3,101
- Sunniest month
- June
- Peak score
- 97/100
- Rain / year
- 632 mm
- Midday UV at peak
- 10 (very high)
- Sea at warmest
- 26°C / 79°F
- Population
- 19k
- Elevation
- 229 m
When is the best time to visit Kalymnos?
For sunshine, the best time to visit Kalymnos is June, then July and August. The dullest month is January (30/100, 134 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kalymnos?
Kalymnos is one of the sunniest places on Earth: about 3,101 hours of sunshine a year. 67 Sunshine Score points separate June (97) from January (30), so the month you pick matters. It ranks #5 of 40 destinations in Greece for annual sunshine, above the national median of 2,896 hours. Rain has a clear season: the wettest stretch, around January, carries about 57% of the annual 632 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 30 | 13° / 55°F | 11° / 52°F | 134 mm | 2 | 19° / 66°F |
| February | 33 | 13° / 55°F | 11° / 52°F | 99 mm | 3 | 18° / 64°F |
| March | 51 | 15° / 59°F | 12° / 54°F | 58 mm | 5 | 17° / 63°F |
| April | 60 | 16° / 61°F | 14° / 57°F | 37 mm | 6 | 18° / 64°F |
| May | 94 | 20° / 68°F | 17° / 63°F | 21 mm | 8 | 19° / 66°F |
| June | 97 | 24° / 75°F | 21° / 70°F | 5 mm | 9 | 23° / 73°F |
| July | 97 | 26° / 79°F | 22° / 72°F | 1 mm | 10 | 24° / 75°F |
| August | 97 | 26° / 79°F | 23° / 73°F | 1 mm | 9 | 26° / 79°F |
| September | 94 | 24° / 75°F | 21° / 70°F | 18 mm | 7 | 25° / 77°F |
| October | 90 | 21° / 70°F | 19° / 66°F | 43 mm | 5 | 24° / 75°F |
| November | 68 | 18° / 64°F | 16° / 61°F | 88 mm | 3 | 22° / 72°F |
| December | 43 | 15° / 59°F | 13° / 55°F | 127 mm | 2 | 20° / 68°F |
Sea temperature in Kalymnos by month
The sea off Kalymnos is warmest in August at around 26°C / 79°F, and coolest in March at 17°C / 63°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Kalymnos on the interactive sunshine globe →
Nearby places for sunshine
- Kos Greece · 23 km · best in Jul · 3,218 h sun/yr
- Bodrum Türkiye · 72 km · best in Jul · 3,195 h sun/yr
- Samos Greece · 81 km · best in Jul · 3,081 h sun/yr
- Rhodes Greece · 120 km · best in Jul · 3,201 h sun/yr
- Santorini Greece · 145 km · best in Jun · 3,012 h sun/yr
- Izmir Türkiye · 149 km · best in Jun · 2,998 h sun/yr
Nearest destinations
- Leros Greece · 28 km · 3,080 h sun/yr · best in Jul
- Astypalaia Greece · 66 km · 3,100 h sun/yr · best in Jun
- Ikaria Greece · 96 km · 3,081 h sun/yr · best in Jul
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