Chios weather by month & the best time to visit
Greece · beach resort · Mediterranean climate
The best time to visit Chios is July — its sunniest month (Sunshine Score 97/100), with August and June close behind. Chios averages about 3,045 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 2 mm of rain in July.
When is the best time to visit Chios?
For sunshine, the best time to visit Chios is July, then August and June. The dullest month is January (31/100, 124 mm of rain). The full month-by-month picture is in the table below.
How sunny is Chios?
Chios is one of the sunniest places on Earth: about 3,045 hours of sunshine a year. 66 Sunshine Score points separate July (97) from January (31), so the month you pick matters. It ranks #12 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 54% of the annual 624 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 31 | 13° / 55°F | 10° / 50°F | 124 mm | 1 | 18° / 64°F |
| February | 33 | 13° / 55°F | 10° / 50°F | 97 mm | 2 | 17° / 63°F |
| March | 51 | 15° / 59°F | 11° / 52°F | 57 mm | 4 | 17° / 63°F |
| April | 74 | 18° / 64°F | 13° / 55°F | 44 mm | 6 | 17° / 63°F |
| May | 93 | 22° / 72°F | 17° / 63°F | 24 mm | 7 | 19° / 66°F |
| June | 95 | 27° / 81°F | 21° / 70°F | 14 mm | 9 | 23° / 73°F |
| July | 97 | 29° / 84°F | 23° / 73°F | 2 mm | 10 | 24° / 75°F |
| August | 97 | 30° / 86°F | 24° / 75°F | 2 mm | 9 | 25° / 77°F |
| September | 94 | 26° / 79°F | 21° / 70°F | 18 mm | 6 | 24° / 75°F |
| October | 88 | 22° / 72°F | 18° / 64°F | 49 mm | 4 | 22° / 72°F |
| November | 69 | 18° / 64°F | 14° / 57°F | 79 mm | 2 | 20° / 68°F |
| December | 38 | 14° / 57°F | 11° / 52°F | 114 mm | 1 | 19° / 66°F |
Sea temperature in Chios by month
The sea off Chios is warmest in August at around 25°C / 77°F, and coolest in February at 17°C / 63°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Chios: questions and answers
What kind of destination is Chios?
Chios is a beach resort in Greece with a Mediterranean climate — the sea reaches 25°C at its warmest and is swimmable (21°C+) about 5 months a year.
How many hours of sunshine does Chios get a year?
Chios gets about 3,045 hours of sunshine a year, at its best around July.
When is the best time to visit Chios?
The sunniest time to visit Chios is July, when the Sunshine Score peaks at 97/100 (with August and June close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Chios?
January is the least sunny month in Chios, scoring 31/100 with about 124 mm of rain.
What is the sea temperature in Chios?
The sea in Chios ranges from about 17°C (February) to 25°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Chios?
The typical midday UV index in Chios peaks around 10 (very high) in July, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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