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May Weather in Lappi, Finland

Last updated: August 23, 2025

In May, the average temperature in Lappi, Finland hovers around 9°C (49°F), with a minimum dipping to -3°C (27°F) and a warm maximum reaching up to 25°C (78°F). Expect a total precipitation of about 42 mm (1.6 in) spread across 8 days, while the air remains fairly moist with an average humidity of 77%.

May Temperature in Lappi

In May in Lappi, the average temperature is 9°C (49°F). Maximum temperatures can reach 25°C (78°F), while minimum temperatures can drop as low as -3°C (27°F). This range makes Lappi an ideal destination for those seeking a mix of mild days and crisp nights for their travels.

May Weather in Lappi: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Lappi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lappi, May typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec292732394960636154453832
Data source: Temperature data for Lappi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Lappi

In Lappi in May, the precipitation amount is 42 mm (1.6 in) over a span of 8 days.

May Precipitation Trends in Lappi

The chart displays monthly precipitation patterns in Lappi, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Lappi, May typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec433942334247878668805570
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lappi

In Lappi in May humidity is 77%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor explorations feel colder and more uncomfortable than the thermometer suggests.

May Average Humidity in Lappi

This chart illustrates the average monthly humidity levels in Lappi, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Lappi is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lappi

In Lappi in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lappi.

Maximum UV Index Levels in Lappi for May

The chart shows the monthly maximum UV Index (UVI) for Lappi in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Lappi typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Lappi May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Lappi Compares to Other Months

Weather in Lappi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Lappi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lappi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)43 mm (1.7 inches)92%low
February Weather-3°C (27°F)39 mm (1.5 inches)90%low
March Weather0°C (32°F)42 mm (1.6 inches)89%moderate
April Weather4°C (40°F)33 mm (1.3 inches)85%moderate
May Weather9°C (49°F)42 mm (1.6 inches)77%moderate
June Weather16°C (60°F)47 mm (1.8 inches)78%high
July Weather17°C (64°F)87 mm (3.4 inches)78%high
August Weather16°C (62°F)86 mm (3.4 inches)79%moderate
September Weather12°C (54°F)68 mm (2.7 inches)86%moderate
October Weather7°C (45°F)80 mm (3.2 inches)90%low
November Weather4°C (39°F)55 mm (2.2 inches)91%low
December Weather0°C (32°F)70 mm (2.7 inches)89%low

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