The best times to visit Hanko for ideal weather are

May 28th to September 23rd

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

 

 


Other Hanko Travel Info

Weather in Hanko

Temperature

Average temperatures in Hanko vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 30th 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 Hanko, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 71.2°F (21.8°C) with temperatures rarely dropping below 60.7°F (15.9°C) at night.

Hanko Temperatures (Fahrenheit)

Key
High
Average
Low

Hanko 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.

Hanko Perceived Temperature (F)

Key
High
Average
Low

Hanko Perceived Temperature (C)

Key
High
Average
Low

 

Average Hanko 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 32.2 28.6 24.9
Feb 30.5 27 23.3
Mar 35.8 32 27.9
Apr 43.5 38.5 34.5
May 53.1 47.5 43
Jun 61.5 56.1 51.7
Jul 69.1 63.9 59.3
Aug 67.9 63.1 58.8
Sep 60.3 56.2 52.3
Oct 50.4 47 43.6
Nov 43.4 40.5 37.4
Dec 37 34 30.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 0.1 -1.9 -3.9
Feb -0.8 -2.8 -4.8
Mar 2.1 0 -2.3
Apr 6.4 3.6 1.4
May 11.7 8.6 6.1
Jun 16.4 13.4 10.9
Jul 20.6 17.7 15.2
Aug 19.9 17.3 14.9
Sep 15.7 13.4 11.3
Oct 10.2 8.3 6.4
Nov 6.3 4.7 3
Dec 2.8 1.1 -0.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Hanko are May, April, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January. For example, on the week of January 22nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 3 days of significant precipitation the week of December 3rd.

When can you find snow in Hanko? Weather stations report very large amounts of snow likely to be deepest around March, especially close to early March. The best time to ski (if at all) in Hanko is often around around March 12th 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 Hanko.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Hanko (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 15% 8.9 1.6
Feb 15% 12.2 1.2
Mar 15% 16 1.2
Apr 13% 10 1.4
May 12% 0 1.3
Jun 17% 0 2.3
Jul 17% 0 2.2
Aug 25% 0 3.6
Sep 22% 0 2.2
Oct 18% 0.8 2.3
Nov 23% 2.3 2.3
Dec 32% 10.5 2.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 15 22.6 4.1
Feb 15 31 3
Mar 15 40.6 3
Apr 13 25.4 3.6
May 12 0 3.3
Jun 17 0 5.8
Jul 17 0 5.6
Aug 25 0 9.1
Sep 22 0 5.6
Oct 18 2 5.8
Nov 23 5.8 5.8
Dec 32 26.7 6.6

 

Humidity and Wind

Hanko has some extremely humid months, and high humidity throughout the year. The least humid month is April (76.7% relative humidity), and the most humid month is February (84.7%).

Wind in Hanko is usually stronger than many places. The windiest month is December, followed by November and January. December’s average wind speed of around 20.7 knots (23.9 MPH or 38.4 KPH) is considered “a fresh breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early December where average top sustained speeds reach 29.8 knots, which is considered high wind or moderate gale winds.

Relative Humidity (%)

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

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 18.5 Strong breeze 24.5 Very strong breeze
Feb 16.4 Significant breeze 22.4 Very strong breeze
Mar 16.4 Significant breeze 22.7 Very strong breeze
Apr 14.8 Significant breeze 20.9 Strong breeze
May 14.4 Significant breeze 20.6 Very strong breeze
Jun 14.1 Significant breeze 20.3 Strong breeze
Jul 13.4 Significant breeze 19.1 Very strong breeze
Aug 13.7 Significant breeze 19.3 Strong breeze
Sep 15.9 Significant breeze 21.7 Very strong breeze
Oct 17.3 Strong breeze 23.3 Very strong breeze
Nov 19.3 Strong breeze 26.3 Very strong breeze
Dec 20.7 Strong breeze 27.7 Very strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 83.9%
Feb 84.7%
Mar 80%
Apr 76.7%
May 76.8%
Jun 77%
Jul 77.8%
Aug 77.3%
Sep 78.8%
Oct 77.7%
Nov 83.1%
Dec 82.8%

 

Is it Safe to Travel to Hanko?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Finland; 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 Hanko, Finland is June, followed by April and September. 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 Hanko in February. 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 57.8 in February means 57.8% of the tourists vs. June.

 

 

Overall Hanko Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 58.8°F (14.9°C) and 33.4°F (0.8°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 5 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 comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 5 to 8 days of precipitation per month. June – August is the busiest season for tourism in Hanko, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 63°F (17.2°C) and 39.3°F (4.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Hanko to be enjoyable for warm weather travelers. The average high during this season is between 39.1°F (3.9°C) and 28.9°F (-1.7°C). On average, it rains or snows a fair amount: 4 to 10 times per month. These times of year are the slowest with tourists.

 

Best Times to TravelFinland › Hanko, Finland