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August Weather in Kostroma, Russian Federation

Last updated: August 27, 2025

In August, the average temperature in Kostroma, Russian Federation hovers around 17°C (62°F), with minimums dipping to 4°C (39°F) and highs reaching up to 32°C (89°F). Expect 71 mm (2.8 in) of precipitation spread over 11 days, contributing to an average humidity of 77%. Be prepared for a mix of mild warmth and occasional showers!

August Temperature in Kostroma

In August in Kostroma, the average temperature is 17°C (62°F), with maximums reaching up to 32°C (89°F) and minimums dipping as low as 4°C (39°F). Be prepared for a range of temperatures when traveling during this month.

August Weather in Kostroma: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Kostroma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kostroma, August typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec191927405361656252423122
Data source: Temperature data for Kostroma 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.

August Precipitation in Kostroma

In Kostroma in August, the precipitation amount is 71 mm (2.8 in) distributed over 11 days.

August Precipitation Trends in Kostroma

The chart displays monthly precipitation patterns in Kostroma, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Kostroma, August typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec455444476162847177746451
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kostroma

In Kostroma in August humidity is 77%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, creating a lush, almost tropical atmosphere that can be quite stifling for traveling, making it essential to stay hydrated and take frequent breaks in the shade.

August Average Humidity in Kostroma

This chart illustrates the average monthly humidity levels in Kostroma, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Kostroma is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%93%84%72%73%76%77%89%91%94%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kostroma

In Kostroma in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Kostroma, you can refer to this Hourly UV Index in Kostroma.

Maximum UV Index Levels in Kostroma for August

The chart shows the monthly maximum UV Index (UVI) for Kostroma in August, 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 August, the maximum UV index in Kostroma typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124457764211
Data source: Kostroma August 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 August Weather in Kostroma Compares to Other Months

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

This table compares monthly weather conditions in Kostroma, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)45 mm (1.8 inches)99%low
February Weather-7°C (20°F)54 mm (2.1 inches)97%low
March Weather-3°C (28°F)44 mm (1.7 inches)93%moderate
April Weather4°C (40°F)47 mm (1.9 inches)84%moderate
May Weather12°C (53°F)61 mm (2.4 inches)72%moderate
June Weather16°C (62°F)62 mm (2.5 inches)73%high
July Weather18°C (65°F)84 mm (3.3 inches)76%high
August Weather17°C (62°F)71 mm (2.8 inches)77%high
September Weather11°C (52°F)77 mm (3.0 inches)89%moderate
October Weather6°C (43°F)74 mm (2.9 inches)91%low
November Weather0°C (32°F)64 mm (2.5 inches)94%low
December Weather-6°C (22°F)51 mm (2.0 inches)92%low

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