The best times to visit Viannos for ideal weather are
April 16th to July 15th
September 10th to December 2nd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Viannos Travel Guide
Other Viannos Travel Info
Weather in Viannos
Average temperatures in Viannos 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 57th 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 Viannos, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 88.6°F (31.4°C) with temperatures rarely dropping below 70.9°F (21.6°C) at night.
Viannos Temperatures (Fahrenheit)
Viannos 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.
Viannos Perceived Temperature (F)
Viannos Perceived Temperature (C)
Average Viannos 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 Viannos are July, August, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid March. For example, on the week of March 19th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early January with an average of 5 days of significant precipitation the week of January 1st.
When can you find snow in Viannos? 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 Viannos.
Snow on the Ground
The graph below shows the average snow on the ground in Viannos (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
Viannos has some humid months, and slightly dry months in the opposite season. The least humid month is July (39.4% relative humidity), and the most humid month is November (66.3%).
Wind in Viannos is usually moderate. The windiest month is February, followed by January and April. February’s average wind speed of around 11.2 knots (12.8 MPH or 20.6 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 and early February where average top sustained speeds reach 21.6 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Viannos.
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||9.8||Gentle breeze||15.9||Significant breeze|
|Feb||11.2||Significant breeze||17||Strong breeze|
|Mar||7.2||Gentle breeze||13.9||Significant breeze|
|Apr||8.6||Gentle breeze||14.3||Significant breeze|
|May||5.2||Light breeze||9.2||Significant breeze|
|Jun||5.3||Light breeze||9.3||Gentle breeze|
|Jul||8.3||Gentle breeze||12.7||Significant breeze|
|Aug||7.6||Gentle breeze||11.5||Significant breeze|
|Sep||7||Gentle breeze||12||Significant breeze|
|Oct||7.3||Gentle breeze||11.8||Significant breeze|
|Nov||6.6||Light breeze||11.2||Significant breeze|
|Dec||6.7||Light breeze||11.1||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Viannos?
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 Viannos, 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 Viannos 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
Overall Viannos Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 79.6°F (26.4°C) and 55.1°F (12.8°C) with warmer temperatures in the later months. Rain is rare with 2 to 6 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 0 to 3 days of precipitation per month. June – August is the busiest season for tourism in Viannos, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 86.6°F (30.3°C) and 62.4°F (16.9°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 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 too cold this time of year in Viannos to be enjoyable for warm weather travelers. The average high during this season is between 62.7°F (17.1°C) and 46.7°F (8.2°C). On average, it rains or snows a fair amount: 4 to 14 times per month. These times of year are fairly slow with tourists.