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Weather & Climate
Iitti, Kymenlaakso, Finland
Overview
Available climate summaries for Iitti. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
4.4°C
Summer Avg
16.3°C
Winter Avg
-7.1°C
Record High
31.2°C
Record Low
-35°C
Annual Precipitation
758.2 mm
Avg Humidity
87%
Summer Humidity
79%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 6.2° | -8.3° | -34.5° | 52.7 | 95% | 8 | 27 |
| Feb | 5.5° | -7.9° | -35° | 42.3 | 95% | 25 | 29.6 |
| Mar | 13.3° | -3.6° | -24.4° | 41.2 | 95% | 71 | 30.3 |
| Apr | 19.2° | 3.6° | -9.7° | 44.4 | 83% | 114 | 27.2 |
| May | 28.6° | 10.4° | -3.1° | 62.6 | 77% | 165 | 23.9 |
| Jun | 29.6° | 14.7° | 1° | 86.1 | 77% | 167 | 25.1 |
| Jul | 30.9° | 18° | 6° | 86.8 | 78% | 168 | 21.7 |
| Aug | 31.2° | 16.3° | 4.3° | 74.4 | 81% | 128 | 24.7 |
| Sep | 23.7° | 11.2° | -1.2° | 66 | 86% | 73 | 25.4 |
| Oct | 16.3° | 4.3° | -10.6° | 72.5 | 92% | 33 | 24.9 |
| Nov | 10.5° | -0.8° | -28° | 66 | 95% | 10 | 30.1 |
| Dec | 8.1° | -5° | -33.5° | 63.2 | 95% | 4 | 31.8 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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