The best times to visit Kotka 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.
Kotka Travel Guide
Other Kotka Travel Info
Weather in Kotka
Temperature
Average temperatures in Kotka vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 54th 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 Kotka, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 72.1°F (22.3°C) with temperatures rarely dropping below 60.9°F (16.1°C) at night.
Kotka Temperatures (Fahrenheit)
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Kotka Temperatures (Celsius)
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“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.
Kotka Perceived Temperature (F)
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Kotka Perceived Temperature (C)
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Average Kotka 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 | 28.2 | 24.2 | 20 |
| Feb | 26.6 | 22.3 | 17.7 |
| Mar | 33.9 | 29.2 | 24.1 |
| Apr | 43.2 | 37.7 | 33 |
| May | 55 | 48.5 | 43.2 |
| Jun | 63.1 | 57 | 51.9 |
| Jul | 70.2 | 64.4 | 59.4 |
| Aug | 68 | 63 | 58.3 |
| Sep | 59.2 | 55.1 | 51.3 |
| Oct | 48.2 | 44.9 | 41.3 |
| Nov | 41.2 | 38 | 34.9 |
| Dec | 34.2 | 30.8 | 27.1 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | -2.1 | -4.3 | -6.7 |
| Feb | -3 | -5.4 | -7.9 |
| Mar | 1.1 | -1.6 | -4.4 |
| Apr | 6.2 | 3.2 | 0.6 |
| May | 12.8 | 9.2 | 6.2 |
| Jun | 17.3 | 13.9 | 11.1 |
| Jul | 21.2 | 18 | 15.2 |
| Aug | 20 | 17.2 | 14.6 |
| Sep | 15.1 | 12.8 | 10.7 |
| Oct | 9 | 7.2 | 5.2 |
| Nov | 5.1 | 3.3 | 1.6 |
| Dec | 1.2 | -0.7 | -2.7 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Kotka are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid November with an average of 0 days of significant precipitation the week of November 12th.
When can you find snow in Kotka? 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 Kotka.
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Snow on the Ground
The graph below shows the average snow on the ground in Kotka (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 0% | 0 | 0 |
| Feb | 0% | 0 | 0 |
| Mar | 0% | 0 | 0 |
| Apr | 0% | 0 | 0 |
| May | 0% | 0 | 0 |
| Jun | 0% | 0 | 0 |
| Jul | 0% | 0 | 0 |
| Aug | 0% | 0 | 0 |
| Sep | 0% | 0 | 0 |
| Oct | 0% | 0 | 0 |
| Nov | 3% | 0 | 0.3 |
| Dec | 3% | 0 | 0.2 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 0 | 0 | 0 |
| Feb | 0 | 0 | 0 |
| Mar | 0 | 0 | 0 |
| Apr | 0 | 0 | 0 |
| May | 0 | 0 | 0 |
| Jun | 0 | 0 | 0 |
| Jul | 0 | 0 | 0 |
| Aug | 0 | 0 | 0 |
| Sep | 0 | 0 | 0 |
| Oct | 0 | 0 | 0 |
| Nov | 3 | 0 | 0.8 |
| Dec | 3 | 0 | 0.5 |
Humidity and Wind
Kotka has some extremely humid months, and high humidity throughout the year. The least humid month is May (76.2% relative humidity), and the most humid month is January (89.9%).
Wind in Kotka is usually moderate. The windiest month is December, followed by November and January. December’s average wind speed of around 13 knots (15 MPH or 24.2 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 November to early December where average top sustained speeds reach 18.7 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Kotka.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 11.3 | Significant breeze | 15.6 | Significant breeze |
| Feb | 9.7 | Gentle breeze | 13.6 | Significant breeze |
| Mar | 10.1 | Gentle breeze | 14.5 | Significant breeze |
| Apr | 9.3 | Gentle breeze | 14 | Significant breeze |
| May | 9.1 | Gentle breeze | 13.5 | Significant breeze |
| Jun | 8.4 | Gentle breeze | 13 | Significant breeze |
| Jul | 8.2 | Gentle breeze | 12.4 | Significant breeze |
| Aug | 8.4 | Gentle breeze | 12.5 | Significant breeze |
| Sep | 9.7 | Gentle breeze | 13.6 | Significant breeze |
| Oct | 11 | Significant breeze | 15.5 | Significant breeze |
| Nov | 12.3 | Significant breeze | 17.3 | Significant breeze |
| Dec | 13 | Significant breeze | 17.8 | Strong breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 89.9% |
| Feb | 89.5% |
| Mar | 82.9% |
| Apr | 76.9% |
| May | 76.2% |
| Jun | 76.6% |
| Jul | 78.7% |
| Aug | 78.6% |
| Sep | 82.1% |
| Oct | 83.1% |
| Nov | 89% |
| Dec | 89.6% |
Is it Safe to Travel to Kotka?
Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Dec 04, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Kotka, Finland is July, followed by June and January. 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 Kotka 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
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Overall Kotka Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.5°F (16.4°C) and 31.3°F (-0.4°C) with far warmer temperatures in the later months. Rain is nonexistent with roughly 0 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 the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Kotka, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 61.9°F (16.6°C) and 36.9°F (2.7°C), which will feel chilly given the humidity and wind. It rains or snows a barely noticeable amount: 0 to 1 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 far too cold this time of year in Kotka to be enjoyable for warm weather travelers. The average high during this season is between 36.9°F (2.7°C) and 24.5°F (-4.2°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› Finland › Kotka, Finland