At solar noon (01:00:31 PM) the sun reaches 18.1° above the horizon in Heinola. Without clouds, that corresponds to a maximum UV index of about 0.6 (low). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Heinola, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 18.1° | 0.6 Low | — | |
| 17.7° | 0.5 Low | — | |
| 17.4° | 0.5 Low | — | |
| 17.0° | 0.5 Low | — | |
| 16.7° | 0.5 Low | — | |
| 16.3° | 0.5 Low | — | |
| 16.0° | 0.4 Low | — | |
| 15.7° | 0.4 Low | — | |
| 15.3° | 0.4 Low | — | |
| 15.0° | 0.4 Low | — | |
| 14.7° | 0.4 Low | — | |
| 14.4° | 0.3 Low | — | |
| 14.0° | 0.3 Low | — | |
| 13.7° | 0.3 Low | — |
Clear-sky values are calculated from the sun's height at solar noon (cloud-free sky, average ozone). Forecast values from Open-Meteo include clouds and load in your browser.
Bright conditions call for proper eye protection. Polarized lenses reduce glare and block harmful UV rays.
View on Amazon →About Heinola
Heinola has existed as a municipality since 1776, serving as a town within the Päijänne Tavastia region of Finland. The administrative area covers 676 square kilometers at an elevation of 91 meters, with a population of 17,694 recorded in 2025. The local landscape features the lake Ruotsalainen, the cable-stayed Tähtiniemi Bridge, and the river Jyrängönvirta. The municipality maintains formal relationships with the twin towns of Piešťany, Karlshamn Municipality, Baranavichy, and Peine. Other bodies of water situated within the regional borders include Ilmajärvi, Iso-Rapanen, Kousanjärvi, Kuijärvi, and Linnajärvi.
AI-assisted description based on geographic data and editorial notes.