Weather stations Pori Isomäki

Weather station · 108440

Pori Isomäki

Coordinates

61.47°N, 21.78°E

Elevation

14 m

Data since

10.08.2025

Observation period

2025–2026 · 2 yr

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Climate summary

Annual mean temperature

5.0 °C

whole-period average

Precipitation / year

855 mm

mean annual precipitation


Climate normals · monthly

MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Record high25.425.114.012.38.425.4
Mean maximum25.425.114.012.38.4
Average high18.518.310.25.74.5
Daily mean13.013.06.83.02.0
Average low8.38.63.2-0.3-0.6
Mean minimum2.9-1.9-7.0-15.2-15.9
Record low2.9-1.9-7.0-15.2-15.9-15.9
Precipitation (mm)6484848355
Maximum snow depth (cm)00080

All values for the selected period · temperatures °C · snow: mean of the maximum snow depth; the Year column covers the whole year


Records

Extremes over the entire observation period

Highest temperature

25.4 °C

14.08.2025

Lowest temperature

-25.1 °C

05.01.2026

Wettest day

21.9 mm

26.10.2025

Deepest snow

10 cm

16.01.2026

Warmest month

13.0 °C

September 2025

Coldest month

-7.7 °C

January 2026

Wettest month

84 mm

September 2025

On this day · 31.7.

Measured for this calendar day

No observations for this day.


Open in tools

Charts

The station's last 30 days

Tables

The station's monthly statistics

Map

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Source: Finnish Meteorological Institute open data. Statistics are computed over the station's entire observation period.