May Weather in Ruukki, Finland

Last updated: August 23, 2025

In Ruukki, Finland, the average temperature in May hovers around 7°C (46°F). Visitors can expect a minimum chill of -8°C (18°F), while temperatures can soar to a pleasant 27°C (81°F). With an average precipitation of 52 mm (2.1 in) spread over 8 days, and humidity levels at 80%, this month offers a unique blend of brisk air and occasional showers, perfect for those who enjoy dynamic weather!

May Temperature in Ruukki

In May in Ruukki, the average temperature is 7°C (46°F). Maximum temperatures can reach 27°C (81°F), while the minimum can drop as low as -8°C (18°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates May temperature patterns in Ruukki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ruukki, May typically has an average temperature of 7°C (46°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec201825344557625849403225
Data source: Temperature data for Ruukki 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 Ruukki

In Ruukki in May, the total precipitation amount is 52 mm (2.1 in) over the course of 8 days.

May Precipitation Trends in Ruukki

The chart displays monthly precipitation patterns in Ruukki, 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 Ruukki, May typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec363636365353749270775750
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ruukki

In Ruukki in May, humidity is 80%. With an average temperature of 7°C (46°F), this humidity feels like a chilly, damp embrace that can make traveling uncomfortable, as the cold air clings to your skin and makes you feel significantly colder than the temperature suggests.

May Average Humidity in Ruukki

This chart illustrates the average monthly humidity levels in Ruukki, 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 Ruukki is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%93%86%80%76%79%83%89%94%94%98%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ruukki

In Ruukki in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Ruukki for better planning.

Maximum UV Index Levels in Ruukki for May

The chart shows the monthly maximum UV Index (UVI) for Ruukki 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 Ruukki typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113446643211
Data source: Ruukki 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 Ruukki Compares to Other Months

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

This table compares monthly weather conditions in Ruukki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)36 mm (1.4 inches)99%low
February Weather-8°C (18°F)36 mm (1.4 inches)97%low
March Weather-4°C (26°F)36 mm (1.4 inches)93%moderate
April Weather1°C (34°F)36 mm (1.4 inches)86%moderate
May Weather7°C (46°F)52 mm (2.1 inches)80%moderate
June Weather14°C (58°F)53 mm (2.1 inches)76%high
July Weather17°C (62°F)74 mm (2.9 inches)79%high
August Weather14°C (58°F)92 mm (3.6 inches)83%moderate
September Weather10°C (50°F)70 mm (2.8 inches)89%moderate
October Weather4°C (40°F)77 mm (3.0 inches)94%low
November Weather0°C (32°F)57 mm (2.2 inches)94%low
December Weather-4°C (25°F)50 mm (2.0 inches)98%low

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