Best time to go to Porvoo Average weather of Porvoo, Finland

When is the best time to go to Porvoo?

When is the best time to go to Porvoo? Here's some information to help you in your decision:

The best months for good weather in Porvoo are June, July, August and September
On average, the warmest months are July and August
The coldest months are January and February
The rainiest months are July, August, September and October
The best months for swimming are July and August

Annual weather in Porvoo

For full information about the climate and weather in Porvoo a specific month, click on the corresponding line below:

Month			Our opinion
January	23°F/29°F	2.1in	very bad weather	Porvoo in january
February	23°F/29°F	1.8in	very bad weather	Porvoo in february
March	29°F/34°F	2in	very bad weather	Porvoo in march
April	38°F/45°F	1.7in	very bad weather	Porvoo in april
May	50°F/58°F	1.7in	tolerable weather	Porvoo in may
June	59°F/67°F	2.5in	good weather	Porvoo in june
July	65°F/72°F	3.2in	good weather	Porvoo in july
August	63°F/70°F	4in	good weather	Porvoo in august
September	54°F/61°F	3.4in	good weather	Porvoo in september
October	43°F/49°F	3.8in	bad weather	Porvoo in october
November	38°F/41°F	3.2in	very bad weather	Porvoo in november
December	31°F/34°F	2.5in	very bad weather	Porvoo in december

Weather and climate in Porvoo

Porvoo enjoys a warm-summer humid continental climate (without dry season) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Porvoo is 49°F (ranging from 29°F in january to 72°F in july). Annual rainfall is 31.7in, with a minimum of 1.7in in may and a maximum of 4in in august.

Between january and april the climate is very bad. the thermometer goes up to 45°F°C and you can expect to have 1.7in of rainfall/month during this period.
In the month of may the climate is passable, but still OK. The record temperature this month is 81°F and it rains in may about 1.7in.
Between june and august the climate is good. The temperature rises to 70°F and it rains in august about 4in.
In the month of september the climate is passable, but still OK. The record temperature this month is 74°F and it rains in september about 3.4in.
From october to december the climate is the worst possible. The record temperature this month is 49°F.

Charts: temperature and rainfall in Porvoo

In the charts below, you can see the following seasonal norms for the city of Porvoo: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

Peak visitor numbers and tourist seasons in Porvoo

Find out when Porvoo has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Porvoo

Very low season in Porvoo
The months with the lowest number of tourists are: January, February, March, April, October, November and December.
Low season in Porvoo
The months with low numbers of tourists are: May and September.
High season in Porvoo
The number of visitors to Porvoo is high in: June and August.
Peak season in Porvoo
The largest number of tourists visiting Porvoo is during: July.

Figure: Visitor index for Porvoo month by month

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