May Weather in Ostrovnoy, Russian Federation

Last updated: August 27, 2025

In May, the average temperature in Ostrovnoy, Russian Federation hovers around 2°C (36°F). Expect a chilly minimum of -8°C (18°F) and a surprising maximum of 21°C (70°F). With an average precipitation of 65 mm (2.6 in) spread over 14 days and a high humidity level of 85%, it's wise to prepare for a damp and cool month ahead!

May Temperature in Ostrovnoy

In May in Ostrovnoy, the average temperature is 2°C (36°F). The maximum can reach 21°C (70°F) and the minimum can be as low as -8°C (18°F). Be prepared for a wide range of temperatures if you're planning to travel during this time!

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

The chart illustrates May temperature patterns in Ostrovnoy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostrovnoy, May typically has an average temperature of 2°C (36°F), with highs reaching up to 21°C (70°F) and lows dropping to around -8°C (18°F).

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

May Precipitation in Ostrovnoy

In Ostrovnoy in May, the precipitation amount is 65 mm (2.6 in) over the course of 14 days.

May Precipitation Trends in Ostrovnoy

The chart displays monthly precipitation patterns in Ostrovnoy, 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 Ostrovnoy, May typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 14 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 Ostrovnoy

In Ostrovnoy in May, humidity is 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.

May Average Humidity in Ostrovnoy

This chart illustrates the average monthly humidity levels in Ostrovnoy, 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 Ostrovnoy is approximately 85%, 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 Ostrovnoy

In Ostrovnoy 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 Ostrovnoy.

Maximum UV Index Levels in Ostrovnoy for May

The chart shows the monthly maximum UV Index (UVI) for Ostrovnoy 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 Ostrovnoy typically reaches 5, which falls under the moderate exposure category.

Data source: Ostrovnoy 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 Ostrovnoy Compares to Other Months

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

This table compares monthly weather conditions in Ostrovnoy, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	42 mm (1.7 inches)	99%	low
February Weather	-8°C (17°F)	45 mm (1.8 inches)	99%	low
March Weather	-6°C (22°F)	43 mm (1.7 inches)	94%	low
April Weather	-2°C (29°F)	47 mm (1.8 inches)	90%	moderate
May Weather	2°C (36°F)	65 mm (2.6 inches)	85%	moderate
June Weather	7°C (45°F)	75 mm (2.9 inches)	85%	moderate
July Weather	12°C (53°F)	57 mm (2.2 inches)	86%	moderate
August Weather	11°C (51°F)	84 mm (3.3 inches)	90%	moderate
September Weather	8°C (46°F)	78 mm (3.1 inches)	92%	moderate
October Weather	2°C (36°F)	76 mm (3.0 inches)	95%	low
November Weather	-2°C (29°F)	64 mm (2.5 inches)	97%	low
December Weather	-5°C (22°F)	43 mm (1.7 inches)	100%	low