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May Weather in Kostomuksha, Russian Federation

Last updated: August 27, 2025

In Kostomuksha, Russian Federation, the average temperature in May is a brisk 7°C (44°F), with extremes ranging from a frosty -8°C (18°F) to a pleasantly warm 28°C (82°F). Expect around 65 mm (2.5 in) of precipitation over 10 days, contributing to an average humidity of 84%. Prepare for a month that delivers both chill and charm!

May Temperature in Kostomuksha

In May in Kostomuksha, the average temperature is 7°C (44°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures during this time, ensuring they pack accordingly for both warm and chilly conditions.

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

The chart illustrates May temperature patterns in Kostomuksha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kostomuksha, May typically has an average temperature of 7°C (44°F), with highs reaching up to 28°C (82°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec161523334457605647372922
Data source: Temperature data for Kostomuksha 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 Kostomuksha

In Kostomuksha in May, the total precipitation amount is 65 mm (2.5 in) over the course of 10 days.

May Precipitation Trends in Kostomuksha

The chart displays monthly precipitation patterns in Kostomuksha, 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 Kostomuksha, May typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4437434165718010481846460
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kostomuksha

In Kostomuksha in May humidity is 84%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring extra layers to stay warm and dry.

May Average Humidity in Kostomuksha

This chart illustrates the average monthly humidity levels in Kostomuksha, 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 Kostomuksha is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec101%99%93%88%84%80%83%88%91%96%97%101%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kostomuksha

In Kostomuksha 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 Kostomuksha.

Maximum UV Index Levels in Kostomuksha for May

The chart shows the monthly maximum UV Index (UVI) for Kostomuksha 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 Kostomuksha typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356653211
Data source: Kostomuksha 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 Kostomuksha Compares to Other Months

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

This table compares monthly weather conditions in Kostomuksha, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)44 mm (1.7 inches)101%low
February Weather-9°C (15°F)37 mm (1.5 inches)99%low
March Weather-5°C (23°F)43 mm (1.7 inches)93%low
April Weather1°C (33°F)41 mm (1.6 inches)88%moderate
May Weather7°C (44°F)65 mm (2.5 inches)84%moderate
June Weather14°C (57°F)71 mm (2.8 inches)80%high
July Weather16°C (61°F)80 mm (3.2 inches)82%high
August Weather14°C (57°F)104 mm (4.1 inches)88%moderate
September Weather8°C (47°F)81 mm (3.2 inches)91%moderate
October Weather3°C (38°F)84 mm (3.3 inches)96%low
November Weather-2°C (29°F)64 mm (2.5 inches)97%low
December Weather-6°C (22°F)60 mm (2.4 inches)101%low

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