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UV Index in Lahti

UV index


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Today's UV index in Lahti, Finland Finland will be up to 3.5, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.


Today's tips

With a UV index reaching up to 3.5 in Lahti, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.

Lahti's UV Index

The UV index in Lahti, Finland is generally low due to its northern location. It reaches moderate levels during the summer months, but rarely reaches high levels.

Weather Seasons

UV index

Lahti experiences four distinct seasons: a cold and snowy winter, a cool and rainy spring, a warm and sunny summer, and a colorful and crisp autumn. Winter lasts from November to March, while summer is from June to August.

Lahti's Climate

Compared to its region and neighboring countries, Lahti is cooler and has longer winters. Its summers, while shorter, are similar in temperature to those in other parts of Finland, Sweden, and Norway. Lahti's climate is influenced by its inland location and its distance from the moderating effects of the sea.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Lahti. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Lahti (Finland) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.