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Best time to visit Greece

The best time to visit Greece is between April and June during spring – the weather is pleasant throughout the country, and it is not yet peak tourist season. Between mid-September and mid-October is also a good time to visit, as autumn brings mild weather.

Summer can become quite hot, but is a great time to visit if concentrating on the islands and beaches.

Climate charts for cities and places within Greece

The below climate charts have been compiled by Weather2Travel.com. For an explanation to the various measurements, please read our climate notes.

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Athens

  J F M A M J J A S O N D
Avg temp (C)(F) 1050 1151 1254 1661 2169 2577 2882 2882 2476 1967 1560 1254
Sunshine hours 0 0 0 0 0 0 0 0 0 0 0 0
Daylight hours 0 0 0 0 0 0 0 0 0 0 0 0
Rainfall (mm)(in) 50 40 40 20 20 10 10 10 10 50 60 60
Rainy Days 0 0 0 0 0 0 0 0 0 0 0 0
Humidity
UV
Sea temp (C)(F)

Chalkis

  J F M A M J J A S O N D
Max temp (C)(F) 1254 1355 1559 2068 2577 3086 3290 3188 2882 2272 1864 1457
Min temp (C)(F) 439 439 643 846 1254 1763 1966 1966 1661 1254 948 643
Sunshine hours 4 5 6 8 10 12 13 12 10 7 5 4
Daylight hours 10 11 12 13 14 15 15 14 12 11 10 10
Rainfall (mm)(in) 733 612 552 301 231 151 80 131 231 602 612 863
Rainy Days 11 10 8 8 7 5 5 4 4 7 9 11
Humidity L M M H VH VH VH VH H M M L
UV 2/L 3/M 5/M 6/H 8/VH 9/VH 10/VH 9/VH 7/H 4/M 3/M 2/L
Sea temp (C)(F) 1559 1559 1457 1559 1864 2170 2373 2475 2373 2170 1864 1661

Heraklion (Crete)

  J F M A M J J A S O N D
Avg temp (C)(F) 1254 1254 1456 1762 2068 2475 2679 2678 2374 2068 1762 1457
Sunshine hours 0 0 0 0 0 0 0 0 0 0 0 0
Daylight hours 0 0 0 0 0 0 0 0 0 0 0 0
Rainfall (mm)(in) 90 70 50 30 20 0 0 0 20 60 70 90
Rainy Days 0 0 0 0 0 0 0 0 0 0 0 0
Humidity
UV
Sea temp (C)(F)

Kalamos

  J F M A M J J A S O N D
Max temp (C)(F) 1050 1152 1355 1763 2272 2679 2984 2984 2679 2068 1559 1152
Min temp (C)(F) 236 337 439 745 1152 1457 1661 1661 1457 1050 745 439
Sunshine hours 5 5 6 7 9 11 13 12 9 7 5 4
Daylight hours 10 11 12 13 14 15 15 14 12 11 10 10
Rainfall (mm)(in) 1365 1235 914 693 482 251 171 201 452 1185 1656 1787
Rainy Days 13 12 11 11 8 4 3 3 4 9 13 14
Humidity N N N N N M H H L N N N
UV 2/L 3/M 4/M 6/H 8/VH 9/VH 9/VH 8/VH 6/H 4/M 3/M 2/L
Sea temp (C)(F) 1661 1559 1559 1661 1864 2272 2475 2679 2475 2272 1966 1763

Kos

  J F M A M J J A S O N D
Max temp (C)(F) 1457 1457 1661 2068 2475 2984 3290 3290 2882 2475 1966 1661
Min temp (C)(F) 745 745 948 1254 1559 1966 2272 2170 1966 1559 1254 948
Sunshine hours 5 6 7 9 11 13 14 13 11 8 6 5
Daylight hours 10 11 12 13 14 15 14 14 12 11 10 10
Rainfall (mm)(in) 1697 1155 763 351 211 80 20 50 171 592 914 1646
Rainy Days 14 12 9 7 4 3 6 6 5 5 8 14
Humidity L M M H VH VH VH VH H M M L
UV 2/L 3/M 5/M 6/H 8/VH 10 10/VH 9/VH 7/H 5/M 3/M 2/L
Sea temp (C)(F) 1763 1661 1661 1763 1966 2272 2373 2577 2475 2373 2068 1966

Megalochori

  J F M A M J J A S O N D
Max temp (C)(F) 1457 1457 1661 1966 2272 2679 2882 2781 2577 2272 1966 1661
Min temp (C)(F) 948 948 1050 1254 1559 1966 2272 2272 2068 1661 1355 1152
Sunshine hours 4 5 6 8 10 13 13 12 10 7 5 4
Daylight hours 10 11 12 13 14 15 14 13 12 11 10 10
Rainfall (mm)(in) 1144 813 663 281 141 40 10 10 131 612 693 1024
Rainy Days 11 10 8 5 3 1 1 1 1 4 8 12
Humidity N N N N N L M M L N N N
UV 2/L 3/M 5/M 7/H 8/VH 10/VH 10/VH 9/VH 7/H 5/M 3/M 2/L
Sea temp (C)(F) 1661 1559 1559 1661 1864 2170 2373 2475 2373 2170 1966 1763

Oia

  J F M A M J J A S O N D
Max temp (C)(F) 1457 1457 1661 1966 2272 2679 2882 2781 2577 2272 1966 1661
Min temp (C)(F) 948 948 1050 1254 1559 1966 2272 2272 2068 1661 1355 1152
Sunshine hours 4 5 6 8 10 13 13 12 10 7 5 4
Daylight hours 10 11 12 13 14 15 14 13 12 11 10 10
Rainfall (mm)(in) 1144 813 663 281 141 40 10 10 131 612 693 1024
Rainy Days 11 10 8 5 3 1 1 1 1 4 8 12
Humidity N N N N N L M M L N N N
UV 2/L 3/M 5/M 7/H 8/VH 10/VH 10/VH 9/VH 7/H 5/M 3/M 2/L
Sea temp (C)(F) 1661 1559 1559 1661 1864 2170 2373 2475 2373 2170 1966 1763

Paros

  J F M A M J J A S O N D
Max temp (C)(F) 1355 1457 1559 1864 2272 2679 2781 2781 2577 2170 1864 1559
Min temp (C)(F) 948 948 1050 1254 1559 1966 2272 2170 1966 1661 1355 1050
Sunshine hours 4 5 7 8 10 13 14 13 11 7 5 4
Daylight hours 10 11 12 13 14 15 14 14 12 11 10 10
Rainfall (mm)(in) 944 663 582 251 141 40 20 20 110 502 632 924
Rainy Days 10 9 8 5 3 1 1 1 1 4 8 11
Humidity L M M H VH VH VH VH H M M L
UV 2/L 3/M 5/M 6/H 8/VH 9/VH 10/VH 9/VH 7/H 5/M 3/M 2/L
Sea temp (C)(F) 1661 1559 1559 1661 1864 2272 2373 2475 2373 2170 1864 1763

Platis Gialos

  J F M A M J J A S O N D
Max temp (C)(F) 1355 1457 1559 1864 2272 2679 2781 2781 2577 2170 1864 1559
Min temp (C)(F) 846 846 948 1254 1559 1966 2170 2170 1966 1661 1254 1050
Sunshine hours 4 5 7 8 10 13 14 13 11 7 6 4
Daylight hours 10 11 12 13 14 15 14 14 12 11 10 10
Rainfall (mm)(in) 994 703 592 261 151 40 20 20 120 452 632 994
Rainy Days 11 10 8 6 3 1 2 2 2 4 8 11
Humidity N N N N N L M M L N N N
UV 2/L 3/M 5/M 6/H 8/VH 9/VH 10/VH 9/VH 7/H 5/M 3/M 2/L
Sea temp (C)(F) 1661 1559 1559 1661 1864 2170 2373 2373 2373 2170 1864 1661

Rethymno

  J F M A M J J A S O N D
Max temp (C)(F) 1457 1559 1661 2068 2475 2882 3086 2984 2781 2373 1864 1661
Min temp (C)(F) 846 846 948 1152 1559 1966 2170 2170 1966 1559 1050 1050
Sunshine hours 4 5 6 8 10 12 12 12 10 6 6 4
Daylight hours 10 11 12 13 14 15 14 13 12 11 10 10
Rainfall (mm)(in) 1426 1124 813 321 141 40 10 10 191 843 1034 1004
Rainy Days 12 11 8 5 3 1 0 0 1 5 8 13
Humidity L M M H VH VH VH VH H M M L
UV 2/L 4/M 5/M 7/H 9/VH 10/VH 10/VH 9/VH 7/H 5/M 3/M 2/L
Sea temp (C)(F) 1661 1559 1559 1661 1966 2272 2577 2679 2577 2373 1966 1864

Samos

  J F M A M J J A S O N D
Max temp (C)(F) 1254 1355 1559 1966 2475 2984 3188 3188 2882 2272 1864 1457
Min temp (C)(F) 541 541 745 1050 1355 1763 2068 2068 1763 1355 1050 745
Sunshine hours 5 6 7 9 11 13 14 13 11 8 6 5
Daylight hours 10 11 12 13 14 15 14 14 12 11 10 10
Rainfall (mm)(in) 1596 1084 883 422 281 60 30 30 181 422 1034 1677
Rainy Days 12 10 9 7 5 3 5 4 4 5 8 13
Humidity L M M H VH VH VH VH H M M L
UV 2/L 3/M 5/M 6/H 8/VH 9/VH 10/VH 9/VH 7/H 5/M 3/M 2/L
Sea temp (C)(F) 1661 1661 1559 1661 1966 2272 2373 2475 2373 2170 1966 1763