The best times to visit Syros Island for ideal weather are

February 26th to June 17th

or

September 10th to December 9th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Syros Island Travel Info

Weather in Syros Island

Temperature

Average temperatures in Syros Island vary greatly. Considering humidity, temperatures feel very enjoyable all year with a low chance of precipitation most of the year. The area is more temperate than most — in the 70th 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 Syros Island, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 84.4°F (29.1°C) with temperatures rarely dropping below 74.5°F (23.6°C) at night.

Syros Island Temperatures (Fahrenheit)

Key
High
Average
Low

Syros Island Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

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.

Syros Island Perceived Temperature (F)

Key
High
Average
Low

Syros Island Perceived Temperature (C)

Key
High
Average
Low

 

Average Syros 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 58.5 55.2 50.5
Feb 58.6 55.1 50
Mar 62 58 52.3
Apr 66.7 62.2 56.2
May 73.3 69.2 62.2
Jun 80 76 69.5
Jul 82.9 79.4 73.9
Aug 82.6 79.5 74.6
Sep 79 75.4 70.2
Oct 72.2 68.9 64.3
Nov 66.4 63.1 58.7
Dec 61 57.8 53.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 14.7 12.9 10.3
Feb 14.8 12.8 10
Mar 16.7 14.4 11.3
Apr 19.3 16.8 13.4
May 22.9 20.7 16.8
Jun 26.7 24.4 20.8
Jul 28.3 26.3 23.3
Aug 28.1 26.4 23.7
Sep 26.1 24.1 21.2
Oct 22.3 20.5 17.9
Nov 19.1 17.3 14.8
Dec 16.1 14.3 11.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Syros 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 June. For example, on the week of June 11th 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 Syros Island? Weather stations report a bit of annual snow likely to be deepest around January, especially close to late January. The best time to ski (if at all) in Syros Island is often around around January 22nd when fresh powder is deepest. 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 Syros Island.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Syros Island (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 20% 0.4 2.4
Feb 22% 0 3.6
Mar 12% 0.4 1.5
Apr 7% 0 0.9
May 4% 0 0.8
Jun 0% 0 0.1
Jul 0% 0 0
Aug 0% 0 0
Sep 1% 0 0.2
Oct 9% 0 1.6
Nov 13% 0.4 1.6
Dec 19% 0 2.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 20 1 6.1
Feb 22 0 9.1
Mar 12 1 3.8
Apr 7 0 2.3
May 4 0 2
Jun 0 0 0.3
Jul 0 0 0
Aug 0 0 0
Sep 1 0 0.5
Oct 9 0 4.1
Nov 13 1 4.1
Dec 19 0 6.6

 

Humidity and Wind

Syros Island has some high humidity months, with other comfortably humid months. The least humid month is July (56.7% relative humidity), and the most humid month is November (62.1%).

Wind in Syros Island is usually stronger than many places. The windiest month is January, followed by February and August. January’s average wind speed of around 15.5 knots (17.9 MPH or 28.8 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late January where average top sustained speeds reach 21.9 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Syros Island.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

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 15.5 Significant breeze 20 Strong breeze
Feb 15.3 Significant breeze 20.4 Strong breeze
Mar 14.6 Significant breeze 19.5 Strong breeze
Apr 13.6 Significant breeze 18.2 Strong breeze
May 11.1 Significant breeze 15.2 Strong breeze
Jun 11.5 Significant breeze 15.5 Significant breeze
Jul 14.8 Significant breeze 19.1 Strong breeze
Aug 15.2 Significant breeze 19.3 Strong breeze
Sep 14.1 Significant breeze 18 Strong breeze
Oct 15.2 Significant breeze 18.9 Strong breeze
Nov 14.6 Significant breeze 18.7 Strong breeze
Dec 15.1 Significant breeze 19.7 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 58.9%
Feb 60.5%
Mar 57.6%
Apr 57.5%
May 58.7%
Jun 57%
Jul 56.7%
Aug 59.3%
Sep 58.6%
Oct 61.5%
Nov 62.1%
Dec 61.3%

 

Is it Safe to Travel to Syros 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 Syros Island, Greece is June, followed by July 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 Syros Island in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 37.5 in October means 37.5% of the tourists vs. June.

 

 

Overall Syros Island Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 76.5°F (24.7°C) and 59.9°F (15.5°C) with warmer temperatures in the later months. Rain is rare with 1 to 4 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 very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Syros Island, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 80.4°F (26.9°C) and 65.6°F (18.7°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 4 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 Syros Island to be enjoyable for warm weather travelers. The average high during this season is between 63.2°F (17.3°C) and 57.4°F (14.1°C). On average, it rains or snows a fair amount: consistently 6 times per month. These times of year are fairly slow with tourists.

 

Best Times to TravelGreece › Syros Island, Greece