Thessaloniki: Weather Guide & Climate
Complete month-by-month weather guide: Thessaloniki. Best time to visit: April, May, June, September, October. Plan your trip with detailed climate data.
Climate Overview
Thessaloniki has a warm climate with average yearly highs of 21°C, lows of 12°C, and approximately 6 rainy days per month.
The best time to visit Thessaloniki is during April, May, June, September, October, when temperatures are comfortable and rainfall is moderate
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Air Quality
Best Time
Apr, May, Jun, Sep, Oct
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 10°C | 1°C | 3 | Good |
| February | 14°C | 4°C | 6 | Good |
| March | 16°C | 6°C | 15 | Wet |
| April | 18°C | 8°C | 8 | Excellent (best) |
| May | 24°C | 14°C | 5 | Excellent (best) |
| June | 28°C | 19°C | 6 | Excellent (best) |
| July | 31°C | 22°C | 2 | Good |
| August | 31°C | 22°C | 6 | Good |
| September | 29°C | 19°C | 1 | Excellent (best) |
| October | 23°C | 14°C | 4 | Excellent (best) |
| November | 16°C | 8°C | 6 | Good |
| December | 14°C | 8°C | 13 | Wet |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 13°C
Low: 4°C
Rainy days: 7 days/month
Spring
Mar–May
High: 19°C
Low: 9°C
Rainy days: 9 days/month
Summer
Jun–Aug
High: 30°C
Low: 21°C
Rainy days: 5 days/month
Autumn
Sep–Nov
High: 23°C
Low: 14°C
Rainy days: 4 days/month
Month-by-Month Weather Table
January
February
March
April
BestMay
BestJune
BestJuly
August
September
BestOctober
BestNovember
December
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 10°C | 1°C | 3 | Good | View Details → |
| February | 14°C | 4°C | 6 | Good | View Details → |
| March | 16°C | 6°C | 15 | Wet | View Details → |
| April (best) | 18°C | 8°C | 8 | Excellent | View Details → |
| May (best) | 24°C | 14°C | 5 | Excellent | View Details → |
| June (best) | 28°C | 19°C | 6 | Excellent | View Details → |
| July | 31°C | 22°C | 2 | Good | View Details → |
| August | 31°C | 22°C | 6 | Good | View Details → |
| September (best) | 29°C | 19°C | 1 | Excellent | View Details → |
| October (best) | 23°C | 14°C | 4 | Excellent | View Details → |
| November | 16°C | 8°C | 6 | Good | View Details → |
| December | 14°C | 8°C | 13 | Wet | View Details → |
Thessaloniki
Waterfront promenade with White Tower & waterfront and Ano Poli upper town,Byzantine churches, legendary street food, and nightlife.
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Common Questions
What type of climate does Thessaloniki have?
Thessaloniki has a Warm climate with average yearly temperatures of 21°C (highs) and 12°C (lows).
When is the best time to visit Thessaloniki?
The best time to visit Thessaloniki is during April, May, June, September, October, when temperatures average around 18°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Thessaloniki?
The hottest month in Thessaloniki is July with average highs of 31°C, while the coldest is January with average lows of 1°C.
When is the rainy season in Thessaloniki?
Thessaloniki sees the most rain in March (15 rainy days), while September is the driest month (1 rainy days).
More Thessaloniki Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Thessaloniki: top things to do, itineraries, and typical costs.