Weather in Pori in May 2025
- May is usually the driest month of the year in Pori
Average weather
Average temperature in Pori in May
The expected average maximum temperature in May is +14°C with a maximum of +22°C and a minimum of -3°C.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +9°C to +14°C.
Is Pori warm or cold in May?
Pori is typically mild in May.
Maximum temperatures go up compared to the previous month from +8°C to +14°C. The minimum temperature also goes up from 0°C to +5°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Pori:
Climate in Pori in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +8°C | +14°C | +18°C | ||||
| Min. temperature | ||||||
| -11°C | -4°C | +1°C | ||||
| Max. temperature | ||||||
| +22°C | +29°C | +31°C | ||||
| Rainfall | ||||||
| 26 mm | 40 mm | 58 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 76% | 73% | 75% | ||||
| Air pressure | ||||||
| 1012 HPa | 1014 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 7 | 9 | 7 | ||||
| Cloudy days | ||||||
| 10 | 9 | 8 | ||||
| Rainy days | ||||||
| 9 | 13 | 15 | ||||
| Snowy days | ||||||
| 5 | 0 | 0 | ||||
May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +8°C to +14°C during the day. Prepare for more rain. Average rainfall goes from 26 mm to 40 mm. It feels drier, as humidity decreases from 76% to 73%. The average wind speed doesn’t change much during May, staying around 3 m/s. The good news is there are likely to be more sunny days in May, from 7 to 9.
Next month (June) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Pori is gradually increasing during May, going from 3 m/s to 5 m/s over the course of the month.
Rain
Snow
Here’s how May is compared with other months in the amount of snow, total mm:
How was the weather last May in Pori?
Climate Change over Years
The climate in Pori in May has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+6°C) and the highest in 2020 (+11°C). The driest year was 2002 with only 323 mm of rainfall, and the wettest year was 2020 with 874 mm.
FAQ
Is May a good time to visit Pori?
Can you sunbathe in Pori in May?
Is Pori rainy in May?
Is it sunny in Pori in May?
Other cities in Finland
Monthly weather in Pori
Source of the data
For this page, we’ve looked at the typical weather in Pori, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.