Pori Weather in May
In Pori, May brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 5°C (41°F). Some rainfall is to be expected.
Rainfall in Pori in May
Climate statistics over the past 30 years suggest around 10 days of rain, with 44 mm (1.7 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Pori in May
Expect highs of 14°C (57°F) in Pori in May, with nights dropping to around 5°C (41°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Pori's climate page.
Pori Temperature in May
Min Temperature
5°C (41°F)
Max Temperature
14°C (57°F)
Chance of Rain
33%
Precipitation
44 mm (1.7 in)
Rainy days
10 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Pori typically rise from around 11°C (52°F) at the start of May to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 7°C (45°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Pori in May
Browse day-by-day weather records for Pori spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pori historical weather extremes in May
Based on weather observations in Pori between 1976 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 24, 2014, with a maximum of 29°C (84°F).
- Pori experienced its chilliest May day on May 3, 2019, reaching only 2°C (36°F).
- Nighttime temperatures dropped to -5°C (23°F) on May 1, 1978, marking the coldest May night on record.
Best Places in Finland in May
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Pori in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Pori in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Pori's climate page.
See the full Pori climate overview or explore weather in Finland.
