The best times to visit Thessaloniki for ideal weather are
April 9th to June 17th
September 3rd to November 18th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Thessaloniki Travel Guide
Other Thessaloniki Travel Info
Weather in Thessaloniki
Average temperatures in Thessaloniki vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a low chance of precipitation most of the year. The area is somewhat temperate — in the 45th 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 Thessaloniki, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 92.4°F (33.6°C) with temperatures rarely dropping below 70.1°F (21.2°C) at night.
Thessaloniki Temperatures (Fahrenheit)
Thessaloniki 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.
Thessaloniki Perceived Temperature (F)
Thessaloniki Perceived Temperature (C)
Average Thessaloniki 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 Thessaloniki are July, August, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid August. For example, on the week of August 13th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early March with an average of 2 days of significant precipitation the week of March 5th.
When can you find snow in Thessaloniki? Weather stations report a bit of annual snow likely to be deepest around December, especially close to early December. The best time to ski (if at all) in Thessaloniki is often around around December 3rd 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 Thessaloniki.
Snow on the Ground
The graph below shows the average snow on the ground in Thessaloniki (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
Thessaloniki has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is July (41.6% relative humidity), and the most humid month is December (69%).
Wind in Thessaloniki is usually calm. The windiest month is July, followed by June and March. July’s average wind speed of around 6.5 knots (7.5 MPH or 12.1 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late June where average top sustained speeds reach 14.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Thessaloniki.
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||5.8||Light breeze||12.4||Significant breeze|
|Feb||5.7||Light breeze||12.3||Significant breeze|
|Mar||6||Light breeze||13||Significant breeze|
|Apr||5.6||Light breeze||12.6||Significant breeze|
|May||5.7||Light breeze||13.1||Significant breeze|
|Jun||6.2||Light breeze||13.8||Significant breeze|
|Jul||6.5||Light breeze||13.4||Significant breeze|
|Aug||5.9||Light breeze||12.9||Significant breeze|
|Sep||5.9||Light breeze||12.7||Significant breeze|
|Oct||5.2||Light breeze||11.2||Significant breeze|
|Nov||4.7||Light breeze||10.3||Significant breeze|
|Dec||5.9||Light breeze||12.8||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Thessaloniki?
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 Thessaloniki, Greece is July, followed by November and March. 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 Thessaloniki in December. 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 Thessaloniki Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 80.7°F (27.1°C) and 53.8°F (12.1°C) with warmer temperatures in the later months. Rain is rare with 3 to 5 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with 2 to 3 days of precipitation per month. June – August is the busiest season for tourism in Thessaloniki, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 84.6°F (29.2°C) and 57.9°F (14.4°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 5 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is too cold this time of year in Thessaloniki to be enjoyable for warm weather travelers. The average high during this season is between 56.6°F (13.7°C) and 48°F (8.9°C). On average, it rains or snows a fair amount: 4 to 5 times per month. These times of year are the slowest with tourists.