The best times to visit Symi Island for ideal weather are
February 26th to May 20th
October 1st to December 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Symi Island Travel Guide
Other Symi Island Travel Info
Weather in Symi Island
Average temperatures in Symi Island vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a very low chance of precipitation throughout the year. The area is more temperate than most — in the 73rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Symi Island, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally mid to late August where highs are regularly around 93.1°F (33.9°C) with temperatures rarely dropping below 81.9°F (27.7°C) at night.
Symi Island Temperatures (Fahrenheit)
Symi Island Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Symi Island Perceived Temperature (F)
Symi Island Perceived Temperature (C)
Average Symi Island Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Symi Island are July, August, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid April. For example, on the week of April 9th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January with an average of 2 days of significant precipitation the week of January 22nd.
When can you find snow in Symi Island? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Symi Island.
Snow on the Ground
The graph below shows the average snow on the ground in Symi Island (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Symi Island has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is September (42.6% relative humidity), and the most humid month is January (63.6%).
Wind in Symi Island is usually moderate. The windiest month is February, followed by December and March. February’s average wind speed of around 9.5 knots (10.9 MPH or 17.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid February where average top sustained speeds reach 17 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Symi Island.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||8.2||Gentle breeze||12.6||Significant breeze|
|Feb||9.5||Gentle breeze||14.8||Significant breeze|
|Mar||8.5||Gentle breeze||13.7||Significant breeze|
|Apr||7.2||Gentle breeze||11.6||Significant breeze|
|May||5.2||Light breeze||8.7||Significant breeze|
|Jun||6.7||Light breeze||10.9||Gentle breeze|
|Jul||6.5||Light breeze||10.6||Significant breeze|
|Aug||6.3||Light breeze||10||Gentle breeze|
|Sep||7.2||Gentle breeze||11.1||Significant breeze|
|Oct||6.7||Light breeze||10.8||Gentle breeze|
|Nov||7.3||Gentle breeze||11.1||Significant breeze|
|Dec||8.6||Gentle breeze||12.4||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Symi Island?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Greece; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Symi Island, Greece is July, followed by June and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Symi Island in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Symi Island Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 80.5°F (26.9°C) and 61.4°F (16.3°C) with warmer temperatures in the later months. Rain is rare with 1 to 3 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have hot weather with high temperatures that are quite warm. These months see the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Symi Island, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 89.4°F (31.9°C) and 67.7°F (19.8°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 3 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is somewhat cool this time of year in Symi Island to be enjoyable for warm weather travelers. The average high during this season is between 65.8°F (18.8°C) and 58.9°F (14.9°C). On average, it rains or snows a fair amount: 3 to 5 times per month. These times of year are fairly slow with tourists.