nomadseason

May Weather in Ostashkov, Russian Federation

Last updated: August 27, 2025

In May, the average temperature in Ostashkov, Russian Federation hovers around 11°C (52°F). Be prepared for cool chills, as temperatures can drop to a minimum of -2°C (28°F), while the highs can reach a pleasant 28°C (82°F). Expect around 70 mm (2.7 in) of precipitation spread over 13 days, contributing to an average humidity of 71%.

May Temperature in Ostashkov

In May in Ostashkov, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can dip as low as -2°C (28°F). It's a great time for travelers to experience a mix of mild days and chilly nights, so pack accordingly!

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

The chart illustrates May temperature patterns in Ostashkov, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostashkov, May typically has an average temperature of 11°C (52°F), with highs reaching up to 28°C (82°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec232329395261636153433426
Data source: Temperature data for Ostashkov generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Ostashkov

In Ostashkov in May, the precipitation amount is 70 mm (2.7 in) over the course of 13 days.

May Precipitation Trends in Ostashkov

The chart displays monthly precipitation patterns in Ostashkov, 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 Ostashkov, May typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec46434948708811910892746463
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Ostashkov

In Ostashkov in May, humidity is 71%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your clothes, making outdoor exploration less enjoyable and encouraging frequent breaks in cozy cafes or sheltered spots.

May Average Humidity in Ostashkov

This chart illustrates the average monthly humidity levels in Ostashkov, 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 Ostashkov is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%94%90%85%71%77%82%83%89%93%94%94%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ostashkov

In Ostashkov in May, 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 Ostashkov, you can refer to this Hourly UV Index in Ostashkov.

Maximum UV Index Levels in Ostashkov for May

The chart shows the monthly maximum UV Index (UVI) for Ostashkov 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 Ostashkov typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765211
Data source: Ostashkov 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 Ostashkov Compares to Other Months

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

This table compares monthly weather conditions in Ostashkov, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)46 mm (1.8 inches)97%low
February Weather-5°C (24°F)43 mm (1.7 inches)94%low
March Weather-1°C (30°F)49 mm (1.9 inches)90%moderate
April Weather4°C (39°F)48 mm (1.9 inches)85%moderate
May Weather11°C (52°F)70 mm (2.7 inches)71%high
June Weather16°C (62°F)88 mm (3.5 inches)77%high
July Weather17°C (63°F)119 mm (4.7 inches)82%high
August Weather16°C (62°F)108 mm (4.2 inches)83%high
September Weather11°C (53°F)92 mm (3.6 inches)89%moderate
October Weather6°C (43°F)74 mm (2.9 inches)93%low
November Weather1°C (34°F)64 mm (2.5 inches)94%low
December Weather-3°C (26°F)63 mm (2.5 inches)94%low

Compare Ostashkov's Climate with Cities Worldwide