Weather in Greece

Spring (March to May)

Spring in Greece is mild, sunny, and full of color. Average daytime temperatures range from 15°C (59°F) in March to about 25°C (77°F) in May. Rain showers become less frequent as the season moves toward summer. This is a great time to explore ancient sites and nature trails because the air feels fresh, and the landscapes are green and bright.

Summer (June to August)

Summer brings hot, dry, and sunny weather across most of Greece. Temperatures in July and August can climb above 35°C (95°F), especially in Athens and inland areas. The islands enjoy cooler breezes, making them a favorite choice for beach holidays. Summer is the peak season for tourism, so expect busy beaches, long sunny days, and very little rain.

Autumn (September to November)

Autumn starts warm in September with highs around 28°C (82°F), perfect for late-season travel. As the months progress, temperatures drop, and November often brings cooler days around 15°C (59°F). Rain becomes more common, especially in northern Greece. Autumn is ideal for visitors who prefer fewer crowds, lower prices, and pleasant weather for both sightseeing and outdoor dining.

Winter (December to February)

Winter in Greece is mild compared to many parts of Europe. Coastal areas see temperatures between 8–15°C (46–59°F), while northern regions can be much colder, sometimes dropping below freezing. Snow falls in the mountains, making them popular for skiing. For those curious about the weather in Greece in December, expect cool days with occasional rain but plenty of sunny breaks, especially on the islands. Winter offers a quieter experience and is well-suited for cultural trips and exploring local life away from the busy tourist season.

Weather in Popular Regions of Greece

Athens and Mainland

Athens has hot summers and mild winters, so many travelers plan visits in spring or fall. People often check the weather in Greece 10 days before arriving to see if they need light clothes or a jacket.

• Summer Heat Peaks – Very hot days reach above 95°F in July.
• Cool Winter Rains – Light showers and breezes bring softer air.
• Spring Travel Joy – Warm days help visitors enjoy historic walks.

Greek Islands (Santorini, Mykonos, Crete, Rhodes)

The islands are sunny and breezy, so they stay popular in summer. For instance, the weather in Greece in December shows milder days on Crete than on Santorini.

• Island Sun Glow – Bright skies make beaches perfect for swimming.
• Sea Breeze Ease – Gentle winds cool the air for long walks.
• Winter Rain Days – Clouds and showers add calm to the season.

Northern Greece (Thessaloniki, Halkidiki, Epirus)

Northern Greece has colder winters and more rain, therefore snow often covers the mountains. A severe weather warning in Greece is more common here, especially during heavy storms.

• Cold Winter Air – Temperatures drop low, and snow is frequent.
• Rainy Autumn Weeks – Showers make hills and forests greener.
• Warm Summer Days – The sun shines strong, but nights feel cooler.

Monthly Averages

The weather in Greece changes month by month, so planning ahead is important. For instance, visitors often check the weather in Greece 10 days before a trip to pack the right clothes.

Average Temperatures in Greece (°C / °F):

• January: Average highs of 12°C (54°F) and lows of 5°C (41°F). Around 10 rainy days make it a cool and wet month.
• February: Temperatures rise slightly to 13°C (55°F) highs and 6°C (43°F) lows, with about 9 rainy days.
• March: Spring begins with highs of 16°C (61°F) and lows of 8°C (46°F). Expect 8 days of rain.
• April: Warmer weather arrives with highs of 20°C (68°F) and lows of 11°C (52°F). Rain decreases to 6 days.
• May: Pleasant conditions with highs near 25°C (77°F) and lows around 15°C (59°F). Only 4 rainy days.
• June: Summer starts hot at 30°C (86°F) highs and 20°C (68°F) lows, with just 2 rainy days.
• July: The hottest month, with highs reaching 33°C (91°F) and lows of 23°C (73°F). Rain is rare with only 1 day.
• August: Similar to July, highs stay at 33°C (91°F) and lows at 23°C (73°F), with just 1 rainy day.
• September: Temperatures cool slightly to 28°C (82°F) highs and 19°C (66°F) lows. Expect about 3 rainy days.
• October: Mild autumn weather with highs of 23°C (73°F) and lows of 15°C (59°F). Rain increases to 5 days.
• November: Cooler days with highs of 18°C (64°F) and lows of 11°C (52°F). Around 8 rainy days.
• December: Winter returns with highs of 14°C (57°F) and lows of 8°C (46°F). Expect about 11 rainy days.

Coastal vs Inland Differences

Coastal cities stay mild in winter and warm in summer, so they attract most travelers. In contrast, inland towns get hotter during summer and much colder during winter. For instance, the weather in Greece in December feels warmer on the islands than in the mountains.

• Coastal Areas – Mild winters, sea breezes, and fewer freezing nights.
• Inland Towns – Hotter summers, colder winters, and more snow.
• Mountain Regions – Heavy snow and lower temperatures compared to lowlands.

Rainfall Patterns

Rain falls mostly in autumn and winter, therefore travelers should be ready for wet days. Northern areas get more rain than southern islands. In other words, a severe weather warning in Greece is more common in these wetter northern regions.

• Summer Months – Almost no rain, bright skies.
• Winter Months – Frequent showers, cooler air.
• Autumn Season – Mix of mild heat and heavy rainfall.

How Weather Impacts Travel and Lifestyle