When is the best time to go to Sými
The chart above shows the best time of year to visit Sými, Greece. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Sými
Sými weather by month
Please note our recommendations for when to visit Sými are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 13°C | 181mm | 5.6hrs | 10.9hrs | 17°C |
January is a wet month in Sými and the temperature is generally mild.
Based on weather alone, this is probably a time of year to avoid going to Sými for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Sými and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 7°C (44°F) is normal.
On average January is the driest month of the year in Sými with around 181mm 7.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 13°C | 136mm | 6.3hrs | 11.7hrs | 16°C |
February in Sými is generally wet with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to Sými for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in Sými and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 15°C (58°F), whilst at night 7°C (45°F) is normal.
On average February is the 2nd driest month of the year in Sými with around 136mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 15°C | 87mm | 7.7hrs | 12.8hrs | 16°C |
The weather in March in Sými is characteristically mild and a little damp.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Sými.
March is in the spring in Sými and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 8°C (47°F) is normal.
On average March is the 3rd driest month of the year in Sými with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 18°C | 36mm | 9.2hrs | 14hrs | 17°C |
Sými's weather in April is typically mild and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Sými.
April is in the spring in Sými and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 11°C (52°F) is normal.
On average April is the 4th driest month of the year in Sými with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 22°C | 22mm | 11.2hrs | 15hrs | 19°C |
May is a dry month in Sými and the temperature is generally warm.
It is perhaps the perfect month to visit Sými, with some surprisingly good weather at this time of year.
May is in the spring in Sými and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 15°C (58°F) is normal.
On average May is the 5th driest month of the year in Sými with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.2 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 10mm | 14hrs | 10.9hrs | 22°C |
June is a dry month in Sými and the temperature is generally hot.
It is perhaps the perfect month to visit Sými, with some surprisingly good weather at this time of year.
June is in the summer in Sými and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 29°C (85°F), whilst at night 19°C (66°F) is normal.
On average June is the 6th driest month of the year in Sými with around 10mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 14 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 3mm | 14.8hrs | 11.7hrs | 24°C |
July in Sými is generally very dry with the temperature being hot.
It is perhaps a good month to visit Sými, with some surprisingly good weather at this time of year.
July is in the summer in Sými and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 22°C (71°F) is normal.
On average July is the 6th wettest month of the year in Sými with around 3mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 14.8 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 4mm | 13.9hrs | 12.8hrs | 25°C |
The weather in August in Sými is characteristically hot and very dry.
It is perhaps a good month to visit Sými, with some inordinately good weather at this time of year.
August is in the summer in Sými and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 22°C (71°F) is normal.
On average August is the 5th wettest month of the year in Sými with around 4mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 13.9 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 13mm | 12hrs | 14hrs | 24°C |
Sými's weather in September is typically hot and dry in nature.
It is perhaps the perfect month to visit Sými, with some inordinately good weather at this time of year.
September is in the fall / autumn in Sými and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (85°F), whilst at night 19°C (66°F) is normal.
On average September is the 4th wettest month of the year in Sými with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 12 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 22°C | 69mm | 8.8hrs | 15hrs | 22°C |
October is a reasonably dry month in Sými and the temperature is generally warm.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Sými.
October is in the fall / autumn in Sými and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (76°F), whilst at night 15°C (59°F) is normal.
On average October is the 3rd wettest month of the year in Sými with around 69mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 18°C | 108mm | 6.7hrs | 10.9hrs | 20°C |
The weather in November in Sými is characteristically mild and damp.
Based on weather alone, this is probably a time of year to avoid going to Sými for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in Sými and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 11°C (52°F) is normal.
On average November is the 2nd wettest month of the year in Sými with around 108mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 186mm | 5.4hrs | 11.7hrs | 18°C |
December in Sými is generally wet with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to Sými for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Sými and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 9°C (48°F) is normal.
On average December is the wettest month of the year in Sými with around 186mm 7.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
Other monthly averages
Sými weather stats
| Hottest month: | July | 31.8°C 89.2°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | July | 14.8hrs |
| Coldest month: | January | 13.9°C 57°F |
| Wettest month: | December | 186mm 7.3ins |
| Warmest sea: | August | 25.1°C 77.2°F |
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