May Weather in Istok, Russian Federation

Last updated: August 27, 2025

In May, the average temperature in Istok, Russian Federation is a mild 12°C (53°F). However, temperatures can vary widely, with a minimum of -11°C (13°F) and a maximum of 34°C (94°F). Expect about 35 mm (1.4 in) of precipitation over 8 days, with an average humidity level of 74%. Whether you're exploring the outdoors or staying cozy indoors, be prepared for the diverse climate!

May Temperature in Istok

In May in Istok, the average temperature is 12°C (53°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as -11°C (13°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 12°C (53°F), with highs reaching up to 34°C (94°F) and lows dropping to around -11°C (13°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 35 mm (1.4 in) over the course 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 35 mm (1.4 inches) of precipitation spread over approximately 8 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 Istok

In Istok in May, humidity is 74%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill wraps around you, making outdoor activities less enjoyable and encouraging you to seek cozy indoor spots instead.

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 74%, 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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Istok, you can refer to this 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 6, 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	-13°C (9°F)	19 mm (0.7 inches)	99%	low
February Weather	-11°C (12°F)	24 mm (0.9 inches)	97%	low
March Weather	-5°C (24°F)	27 mm (1.1 inches)	96%	moderate
April Weather	4°C (40°F)	37 mm (1.5 inches)	88%	moderate
May Weather	12°C (53°F)	35 mm (1.4 inches)	74%	high
June Weather	15°C (59°F)	61 mm (2.4 inches)	68%	high
July Weather	19°C (67°F)	75 mm (3.0 inches)	78%	high
August Weather	17°C (62°F)	72 mm (2.8 inches)	78%	high
September Weather	10°C (50°F)	48 mm (1.9 inches)	86%	moderate
October Weather	4°C (39°F)	42 mm (1.6 inches)	89%	moderate
November Weather	-5°C (24°F)	25 mm (1.0 inches)	94%	low
December Weather	-10°C (15°F)	24 mm (0.9 inches)	93%	low