May Weather in Ostrov, Russian Federation

Last updated: August 27, 2025

In May, the average temperature in Ostrov, Russian Federation hovers around 11°C (53°F). Expect a range from a chilly -4°C (26°F) to a warm 27°C (80°F). While you're out and about, be prepared for 72 mm (2.8 in) of precipitation spread over about 12 days, and note that the average humidity rests at 69%.

May Temperature in Ostrov

In May in Ostrov, the average temperature is 11°C (53°F), with maximums reaching up to 27°C (80°F) and minimums dropping as low as -4°C (26°F). Be sure to pack layers to stay comfortable while exploring the diverse weather conditions.

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

The chart illustrates May 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, May typically has an average temperature of 11°C (53°F), with highs reaching up to 27°C (80°F) and lows dropping to around -4°C (26°F).

Data source: Temperature data for Ostrov generated using information from the Copernicus Climate Change Service.

May Precipitation in Ostrov

In Ostrov in May, the total precipitation amount is 72 mm (2.8 in) over the course of 12 days.

May Precipitation Trends in Ostrov

The chart displays monthly precipitation patterns in Ostrov, 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 Ostrov, May typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Ostrov

In Ostrov in May, humidity is 69%. With an average temperature of 11°C (53°F), this humidity feels like a damp embrace, making it essential for travelers to dress in layers and stay hydrated as they explore the sights.

May Average Humidity in Ostrov

This chart illustrates the average monthly humidity levels in Ostrov, 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 Ostrov is approximately 69%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ostrov

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

Maximum UV Index Levels in Ostrov for May

The chart shows the monthly maximum UV Index (UVI) for Ostrov 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 Ostrov typically reaches 6, which falls under the high exposure category.

Data source: Ostrov 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 Ostrov Compares to Other Months

Weather in Ostrov varies notably across the year, with each month offering distinct climate conditions. This page compares May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
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 Weather	0°C (33°F)	49 mm (1.9 inches)	89%	moderate
April Weather	6°C (43°F)	45 mm (1.8 inches)	86%	moderate
May Weather	11°C (53°F)	72 mm (2.8 inches)	69%	high
June Weather	17°C (63°F)	63 mm (2.5 inches)	78%	high
July Weather	18°C (65°F)	74 mm (2.9 inches)	79%	high
August Weather	17°C (62°F)	109 mm (4.3 inches)	83%	high
September Weather	12°C (55°F)	60 mm (2.4 inches)	89%	moderate
October Weather	7°C (46°F)	69 mm (2.7 inches)	93%	low
November Weather	3°C (38°F)	58 mm (2.3 inches)	94%	low
December Weather	-2°C (29°F)	58 mm (2.3 inches)	94%	low