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

5.9°C

whole-period average

Precipitation / year

895mm

mean annual precipitation


Climate normals · monthly

MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Record high–––––––25.425.114.012.38.425.4
Mean maximum–––––––25.425.114.012.38.4–
Average high–––––––18.518.310.25.74.5–
Daily mean–––––––13.013.06.83.02.0–
Average low–––––––8.38.63.2-0.3-0.6–
Mean minimum–––––––2.9-1.9-7.0-15.2-15.9–
Record low–––––––2.9-1.9-7.0-15.2-15.9-15.9
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

21.9mm

26.10.2025

Deepest snow

10cm

16.01.2026

Warmest month

13.0°C

September 2025

Coldest month

−7.7°C

January 2026

Wettest month

84mm

September 2025

On this day · 29.9.

Measured for this calendar day

Warmest

12.8°C

2025

Coldest

−0.1°C

2025


Open in tools

Charts

The station's last 30 days

Tables

The station's monthly statistics

Map

Show location on the map

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