The best times to visit Pori for ideal weather are

May 21st to September 16th

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



Other Pori Travel Info

Weather in Pori


Average temperatures in Pori vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 23rd 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 Pori, 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 74.4°F (23.6°C) with temperatures rarely dropping below 56.4°F (13.6°C) at night.

Pori Temperatures (Fahrenheit)


Pori Temperatures (Celsius)


“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.

Pori Perceived Temperature (F)


Pori Perceived Temperature (C)



Average Pori 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 23.5 18.5
Feb 32.4 28.4 23.6
Mar 38.8 31.5 23.6
Apr 47 39.2 31.5
May 60.4 51.6 42.8
Jun 64.1 56.4 48.8
Jul 71.2 63.3 54.7
Aug 69.5 61.2 52.6
Sep 60.5 53 45.7
Oct 48.5 42.5 35.8
Nov 41.9 38.2 34.1
Dec 34.8 30.4 24.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -2.2 -4.7 -7.5
Feb 0.2 -2 -4.7
Mar 3.8 -0.3 -4.7
Apr 8.3 4 -0.3
May 15.8 10.9 6
Jun 17.8 13.6 9.3
Jul 21.8 17.4 12.6
Aug 20.8 16.2 11.4
Sep 15.8 11.7 7.6
Oct 9.2 5.8 2.1
Nov 5.5 3.4 1.2
Dec 1.6 -0.9 -3.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Pori are March, February, 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 early April. For example, on the week of April 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 3 days of significant precipitation the week of December 17th.

When can you find snow in Pori? Weather stations report very large amounts of snow likely to be deepest around March, especially close to early to mid March. The best time to ski (if at all) in Pori is often around around December 17th 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 Pori.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 33% 4.6 3
Feb 16% 10.1 1.4
Mar 15% 13.3 1.3
Apr 21% 9.9 1.7
May 19% 0 1.9
Jun 25% 0 3.4
Jul 21% 0 2.8
Aug 22% 0 2.1
Sep 22% 0 1.8
Oct 28% 1.8 3.2
Nov 32% 1.7 2.8
Dec 39% 5.8 3.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 33 11.7 7.6
Feb 16 25.7 3.6
Mar 15 33.8 3.3
Apr 21 25.1 4.3
May 19 0 4.8
Jun 25 0 8.6
Jul 21 0 7.1
Aug 22 0 5.3
Sep 22 0 4.6
Oct 28 4.6 8.1
Nov 32 4.3 7.1
Dec 39 14.7 8.4


Humidity and Wind

Pori has some extremely humid months, with other comfortably humid months. The least humid month is May (56.3% relative humidity), and the most humid month is November (87.1%).

Wind in Pori is usually calm. The windiest month is December, followed by February and March. December’s average wind speed of around 6.8 knots (7.8 MPH or 12.5 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 early May where average top sustained speeds reach 11.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 6.1 Light breeze 8.7 Gentle breeze
Feb 6.5 Light breeze 9.3 Gentle breeze
Mar 6.5 Light breeze 9.7 Gentle breeze
Apr 6.3 Light breeze 10 Gentle breeze
May 6.3 Light breeze 10.1 Gentle breeze
Jun 5.8 Light breeze 9.6 Gentle breeze
Jul 5.6 Light breeze 9.3 Gentle breeze
Aug 5.2 Light breeze 8.6 Gentle breeze
Sep 5.5 Light breeze 8.8 Gentle breeze
Oct 5.6 Light breeze 8.8 Gentle breeze
Nov 6.1 Light breeze 9 Gentle breeze
Dec 6.8 Light breeze 10.1 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 86.4%
Feb 85.1%
Mar 67.4%
Apr 62.6%
May 56.3%
Jun 66.9%
Jul 65.4%
Aug 70.1%
Sep 77.3%
Oct 81.5%
Nov 87.1%
Dec 84.7%


Is it Safe to Travel to Pori?

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 Pori, 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 Pori 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

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 50.6 in December means 50.6% of the tourists vs. July.



Overall Pori Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 67.1°F (19.5°C) and 35.9°F (2.2°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 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 comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 7 to 8 days of precipitation per month. June – August is the busiest season for tourism in Pori, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 64.6°F (18.1°C) and 37.2°F (2.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 10 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 Pori to be enjoyable for warm weather travelers. The average high during this season is between 36.2°F (2.3°C) and 24°F (-4.4°C). On average, it rains or snows a fair amount: 5 to 12 times per month. These times of year are fairly slow with tourists.


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