Thessaloniki weather by month & the best time to visit
Greece · beach resort · Mediterranean climate
The best time to visit Thessaloniki is June — its sunniest month (Sunshine Score 87/100), with April and May close behind. Thessaloniki averages about 2,531 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 38 mm of rain in June.
When is the best time to visit Thessaloniki?
For sunshine, the best time to visit Thessaloniki is June, then April and May. The dullest month is January (14/100, 47 mm of rain). The full month-by-month picture is in the table below.
How sunny is Thessaloniki?
Thessaloniki gets a lot of sun: around 2,531 hours a year. 73 Sunshine Score points separate June (87) from January (14), so the month you pick matters. It ranks #37 of 40 destinations in Greece for annual sunshine, below the national median of 2,896 hours. The year's 516 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 14 | 10° / 50°F | 2° / 36°F | 47 mm | 1 | 10° / 50°F |
| February | 29 | 12° / 54°F | 4° / 39°F | 38 mm | 2 | 10° / 50°F |
| March | 50 | 15° / 59°F | 6° / 43°F | 48 mm | 3 | 13° / 55°F |
| April | 86 | 20° / 68°F | 10° / 50°F | 40 mm | 5 | 18° / 64°F |
| May | 85 | 26° / 79°F | 15° / 59°F | 46 mm | 6 | 21° / 70°F |
| June | 87 | 31° / 88°F | 20° / 68°F | 38 mm | 7 | 27° / 81°F |
| July | 71 | 34° / 93°F | 23° / 73°F | 29 mm | 8 | 31° / 88°F |
| August | 71 | 34° / 93°F | 23° / 73°F | 24 mm | 7 | 30° / 86°F |
| September | 85 | 28° / 82°F | 18° / 64°F | 47 mm | 5 | 28° / 82°F |
| October | 84 | 22° / 72°F | 13° / 55°F | 51 mm | 3 | 22° / 72°F |
| November | 57 | 16° / 61°F | 8° / 46°F | 44 mm | 2 | 17° / 63°F |
| December | 21 | 11° / 52°F | 4° / 39°F | 64 mm | 1 | 12° / 54°F |
Sea temperature in Thessaloniki by month
The sea off Thessaloniki is warmest in July at around 31°C / 88°F, and coolest in January at 10°C / 50°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.
Nearest destinations
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Head-to-head
How Thessaloniki compares month by month: Thessaloniki vs Skopje · Thessaloniki vs Ohrid · Thessaloniki vs Skiathos · all comparisons
Thessaloniki: questions and answers
What kind of destination is Thessaloniki?
Thessaloniki is a beach resort in Greece with a Mediterranean climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Thessaloniki get a year?
Thessaloniki gets about 2,531 hours of sunshine a year, at its best around June.
When is the best time to visit Thessaloniki?
The sunniest time to visit Thessaloniki is June, when the Sunshine Score peaks at 87/100 (with April and May close behind). Expect daytime highs around 31°C / 88°F.
What is the least sunny month in Thessaloniki?
January is the least sunny month in Thessaloniki, scoring 14/100 with about 47 mm of rain.
What is the sea temperature in Thessaloniki?
The sea in Thessaloniki ranges from about 10°C (January) to 31°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Thessaloniki?
The typical midday UV index in Thessaloniki peaks around 8 (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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