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Weather & Climate

Luumäki, South Karelia, Finland

Overview

Climate data and monthly weather averages for Luumäki.

Key Metrics

Annual Avg
4.3°C
Summer Avg
16.4°C
Winter Avg
-7.5°C
Record High
30.7°C
Record Low
-36.9°C
Annual Precipitation
790.6 mm
Avg Humidity
88%
Summer Humidity
79%
Winter Humidity
95%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan5.8°-8.9°-36.9°54.395%827.7
Feb5.5°-8.2°-34.5°43.795%2531.7
Mar12.7°-3.8°-23.9°43.495%7131.6
Apr18.7°3.6°-10.3°46.283%11428.1
May28.5°10.4°-3.1°66.377%16525.8
Jun29.6°14.8°0.9°87.976%16727.1
Jul30.7°18.1°6.5°87.179%16826.8
Aug29.5°16.3°5.4°81.582%12824.6
Sep23.5°11.2°-0.8°71.187%7326.5
Oct15.8°4.3°-10.9°75.393%3325.7
Nov10.4°-1.1°-28.7°6995%1031.3
Dec7.7°-5.4°-32°64.895%434

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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