Best Time To Visit Greece: Month-Wise and Seasonal Weather Guide

The best time to visit Greece is from April to June and September to October, when the weather is pleasant, summer crowds are thinner, and prices sit well below what you pay in July and August. If you want hot beach days and busy islands, July and August deliver both. Spring and autumn suit sightseeing, road trips and walking around Athens, Santorini, and Mykonos without queuing everywhere you go.

Actually, the best time to go to Greece depends on the trip you have in mind. April to June is best for sightseeing and island-hopping in comfortable temperatures. July and August are for a summer beach holiday. September to October gives you the warmest sea of the year with a fraction of the crowds, since the Aegean holds its heat long after the peak season ends. 

If you are weighing up the best month to visit Greece, September is the month you should consider first. The sea is still warm, the islands are quieter than in August, and hotel rates have started to drop. First-time visitors doing Athens with a couple of islands usually get the most out of the shoulder months, when sightseeing and beach time both work well without peak-season prices. If Greece is one stop on your longer trip, our Europe tour packages can cover it alongside other European destinations.

Best Time To Visit Greece At A Glance

The best time to go to Greece depends on the season, weather, crowds and your travel budget. Here’s a quick month-by-month breakdown to help you choose.

Greece Weather by Season

Greece has hot, dry summers and generally mild, wetter winters, but temperatures differ between the mainland, northern Greece, mountains, and islands. For most travelers, May, June, September, and early October offer the best season to visit Greece with warm weather and comfortable sightseeing.

Greece in Spring (March – May)

Spring is one of the most comfortable periods for exploring the best places to visit in Greece, particularly if sightseeing matters as much as beach time. Temperatures rise steadily from March to May, rainfall decreases and the weather becomes increasingly suitable for outdoor activities.

Greece in March

Average Greece temp in March: 10–18°C

Weather: Mild days with cooler mornings and evenings; occasional rain is still possible

Beach & swimming: Sea temperatures remain cool, so March is better for sightseeing than a beach holiday

Crowd & cost: Low-season conditions with fewer tourists and generally lower accommodation demand

Best for: Athens, archaeological sites, food, culture and mainland road trips

Greece in April

Average temperature: 13–21°C

Weather: Warmer and increasingly sunny, although showers can still occur

Beach & swimming: Possible on warmer days, but the sea is still cool for most travellers

Crowd & cost: Lower than summer, making April a good-value month for sightseeing

Best for: Athens, ancient sites, hiking, photography and mainland travel

Greece in May

Average temperature: 17–25°C

Weather: Warm, mostly sunny and increasingly dry, particularly towards the end of the month

Beach & swimming:  Greece in May is good for beach time, with sea temperatures becoming more comfortable through May

Crowd & cost: Tourist numbers start rising but remain below the July–August peak

Best for: Island hopping, sightseeing, beaches and first-time Greece trips

Greece in Summer (June – August)

Summer is one of the best time to visit Greece for a vacation. It is the busiest part of the Greece tourist season, with long sunny days, high temperatures, and strong demand for the islands. June is generally more comfortable than the hotter July and August period. Representative climate data shows average highs reaching around 30°C in Athens during July and August, although individual locations and heatwaves can be considerably hotter.

Greece in June

Average temperature: 21–29°C

Weather: Warm to hot, predominantly sunny and dry

Beach & swimming: Excellent for swimming, island hopping and boat trips

Crowd & cost: Demand rises significantly, but crowds are generally below July and August levels

Best for: Beaches, island hopping, sailing, sightseeing and a full summer itinerary

Greece in July – August

Average temperature: 25–34°C

Weather: Hot, dry and sunny; strong seasonal winds can affect parts of the Aegean

Beach & swimming: Ideal for travellers prioritising beach time

Crowd & cost: Peak season in Greece, with the highest demand and prices in popular destinations

Best for: Peak-summer beach holidays, nightlife, island hopping and summer events

Greece in Autumn (September – November)

September retains much of the summer warmth, while weather in Greece in October becomes more comfortable for sightseeing and mainland travel. Conditions become cooler and wetter as November approaches. This makes autumn one of the best time to go Greece.

Greece in September

Average temperature: 21–29°C

Weather: Warm, sunny and generally dry, with temperatures gradually becoming milder towards the end of the month

Beach & swimming: Excellent; the sea remains warm after summer

Crowd & cost: Crowds begin easing after August, although popular islands remain busy

Best for: Island hopping, beaches, couples, sightseeing and a balanced Greece itinerary

Greece in October

Average temperature: 17–25°C

Weather: Mild to warm with more changeable conditions and increasing rainfall later in the month

Beach & swimming: Still possible, particularly in southern Greece and Crete

Crowd & cost: Noticeably quieter and generally less expensive than the summer peak

Best for: Athens, historical sites, road trips, food and culture

Greece in November

Average temperature: 12–20°C

Weather: Cooler and wetter, particularly towards the end of the month

Beach & swimming: Not ideal for a dedicated beach holiday

Crowd & cost: Low tourist demand and a quieter atmosphere

Best for: Athens, mainland Greece, museums, food and cultural experiences, Halloween in Greece

Greece in Winter (December – February)

Winter is usually not the Greece tourist season and is the quietest travel period. Coastal areas remain relatively mild compared with northern and mountainous Greece, where temperatures can be considerably lower and snowfall is possible. 

Greece in December

Average temperature: 9–17°C

Weather: Cool to mild on the coast, with more rainfall and shorter days

Beach & swimming: Not suitable for a typical beach-focused itinerary

Crowd & cost: Low tourist demand outside the Christmas and New Year period

Best for: Athens, mainland sightseeing, food, history and festive city breaks

Greece in January – February

Average temperature: 8–16°C

Weather: Among the coolest and wetter months; northern and mountainous areas can be much colder

Beach & swimming: Generally unsuitable for a conventional Greek island beach holiday

Crowd & cost: Very low tourist numbers in many destinations

Best for: Athens, museums, archaeological sites, food, mainland travel and winter experiences

Expert Tips for Choosing the Best Time to Visit Greece

The best time to visit Greece from India depends on what you want from the trip not just the temperature. Use these practical planning tips to match your travel dates with weather, crowds, prices and the type of holiday you want: 

• Flying from India?: Check flight connectivity before locking your month. The best time to visit Greece from India is not only about weather. Compare flight schedules and fares first, especially if you're planning multiple Greek islands or adding Italy to the trip.
• Use May or September for a multi-city itinerary: If you want Athens + Santorini + Mykonos + another island, these months give you more comfortable sightseeing conditions than the hottest part of summer.
• Book July–August only if you want peak summer: This is the busiest period, so don't expect the lowest hotel rates or quiet beaches. Popular islands should be booked well ahead.
• Keep Crete in mind for October: If you want a later-season beach trip, southern destinations such as Crete generally give you a better chance of warm weather than northern Greece.
• Don't plan island hopping too tightly: Leave some flexibility between ferries, especially outside peak summer. Weather can affect sea crossings, and a missed connection can disrupt the rest of your itinerary.
• Book Santorini and Mykonos differently from the mainland: Their accommodation demand is much more seasonal. If you're travelling on a budget, compare smaller islands or stay outside the most expensive waterfront areas.
• For the best month to visit Greece, match the month to your priority: May for sightseeing, June for early-summer beaches, September for the best overall balance, and October for quieter cultural travel.
• Check event calendars before booking flights: If you're combining Greece with Italy for an Italian festivals or the San Remo Festival Italy, book accommodation as soon as your dates are confirmed. Major events can change local hotel availability and prices even outside Greece's peak season.
• Don't judge Greece by Athens temperatures alone: An Athens forecast won't tell you what conditions will be like in Santorini, Crete or northern Greece. Check each destination when building a multi-region itinerary.
• For the best time to see Greece, avoid overpacking the itinerary: A slower route through two or three destinations in May, June or September will usually give you a better trip than trying to cover five islands in a week.