May Weather in Istok, Russian Federation

Last updated: August 27, 2025

In May, the average temperature in Istok, Russian Federation hovers around 6°C (44°F). Expect a chilly minimum of -5°C (24°F) and a pleasant maximum reaching 22°C (72°F). With 34 mm (1.3 in) of precipitation spread over 8 days, you may want to pack an umbrella. The average humidity level sits at a comfortable 64%, providing a crisp atmosphere for your visit.

May Temperature in Istok

In May, in Istok, the average temperature is 6°C (44°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -5°C (24°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Istok, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Istok, May typically has an average temperature of 6°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -5°C (24°F).

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

May Precipitation in Istok

In Istok in May, the precipitation amount is 34 mm (1.3 in) over a span of 8 days.

May Precipitation Trends in Istok

The chart displays monthly precipitation patterns in Istok, 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 Istok, May typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Istok

In Istok in May, humidity is 64%. With an average temperature of 6°C (44°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable and travelers may want to dress in layers to stay warm while navigating the moist air.

May Average Humidity in Istok

This chart illustrates the average monthly humidity levels in Istok, 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 Istok is approximately 64%, 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 Istok

In Istok in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Istok.

Maximum UV Index Levels in Istok for May

The chart shows the monthly maximum UV Index (UVI) for Istok 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 Istok typically reaches 7, which falls under the high exposure category.

Data source: Istok 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 Istok Compares to Other Months

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

This table compares monthly weather conditions in Istok, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-17°C (2°F)	12 mm (0.5 inches)	94%	low
February Weather	-16°C (4°F)	11 mm (0.4 inches)	91%	low
March Weather	-6°C (22°F)	14 mm (0.6 inches)	79%	moderate
April Weather	2°C (35°F)	13 mm (0.5 inches)	69%	moderate
May Weather	6°C (44°F)	34 mm (1.3 inches)	64%	high
June Weather	12°C (54°F)	33 mm (1.3 inches)	64%	very high
July Weather	16°C (62°F)	85 mm (3.3 inches)	76%	very high
August Weather	17°C (63°F)	84 mm (3.3 inches)	79%	high
September Weather	12°C (54°F)	94 mm (3.7 inches)	83%	moderate
October Weather	4°C (40°F)	37 mm (1.4 inches)	81%	moderate
November Weather	-4°C (25°F)	27 mm (1.1 inches)	83%	low
December Weather	-11°C (12°F)	33 mm (1.3 inches)	92%	low