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April Weather in Ostrov, Russian Federation

Last updated: August 27, 2025

In April, the average temperature in Ostrov, Russian Federation hovers around 6°C (43°F). Expect chilly nights, with minimum temperatures dropping to -8°C (19°F), while the days can warm up to a pleasant 24°C (76°F). This month also brings about 45 mm (1.8 in) of precipitation spread across 12 days, resulting in an average humidity level of 86%.

April Temperature in Ostrov

In April in Ostrov, the average temperature is 6°C (43°F), with maximums reaching up to 24°C (76°F) and minimums dipping as low as -8°C (19°F). This diverse range in temperatures makes Ostrov a unique destination for travelers, providing opportunities for both warm and cool weather activities.

April Weather in Ostrov: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Ostrov, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostrov, April typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (76°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec272733425363646254453729
Data source: Temperature data for Ostrov 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.

April Precipitation in Ostrov

In Ostrov in April, the precipitation amount is 45 mm (1.8 in) over the course of 12 days.

April Precipitation Trends in Ostrov

The chart displays monthly precipitation patterns in Ostrov, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Ostrov, April typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4139494572637410960695858
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ostrov

In Ostrov in April humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

April Average Humidity in Ostrov

This chart illustrates the average monthly humidity levels in Ostrov, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Ostrov is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%93%90%86%69%78%79%83%89%93%94%94%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ostrov

In Ostrov in April, 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 Ostrov for better planning.

Maximum UV Index Levels in Ostrov for April

The chart shows the monthly maximum UV Index (UVI) for Ostrov in April, 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 April, the maximum UV index in Ostrov typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Ostrov April 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 April Weather in Ostrov Compares to Other Months

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

This table compares monthly weather conditions in Ostrov, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)41 mm (1.6 inches)94%low
February Weather-3°C (27°F)39 mm (1.5 inches)93%low
March Weather0°C (33°F)49 mm (1.9 inches)89%moderate
April Weather6°C (43°F)45 mm (1.8 inches)86%moderate
May Weather11°C (53°F)72 mm (2.8 inches)69%high
June Weather17°C (63°F)63 mm (2.5 inches)78%high
July Weather18°C (65°F)74 mm (2.9 inches)79%high
August Weather17°C (62°F)109 mm (4.3 inches)83%high
September Weather12°C (55°F)60 mm (2.4 inches)89%moderate
October Weather7°C (46°F)69 mm (2.7 inches)93%low
November Weather3°C (38°F)58 mm (2.3 inches)94%low
December Weather-2°C (29°F)58 mm (2.3 inches)94%low

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