April Weather in Istok, Russian Federation

Last updated: August 27, 2025

In April, the average temperature in Istok, Russian Federation hovers around 2°C (35°F), providing a crisp atmosphere. Expect temperature fluctuations, with a minimum of -10°C (14°F) and a maximum of 17°C (64°F). Rainfall is moderate, with a total precipitation of 13 mm (0.5 in) spread over 3 days. The average humidity levels at 69% add to the cool, refreshing feel of the season.

April Temperature in Istok

In April in Istok, the average temperature is 2°C (35°F). Maximums can reach 17°C (64°F), while minimums can drop to as low as -10°C (14°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates April 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, April typically has an average temperature of 2°C (35°F), with highs reaching up to 17°C (64°F) and lows dropping to around -10°C (14°F).

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

April Precipitation in Istok

In Istok in April, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

April Precipitation Trends in Istok

The chart displays monthly precipitation patterns in Istok, 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 Istok, April typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Istok

In Istok in April, humidity is 69%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill in the air, making traveling uncomfortable as the cold penetrates your clothing and the moisture clings to your skin.

April Average Humidity in Istok

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

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

April UV Index in Istok

In Istok in April, 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 Istok.

Maximum UV Index Levels in Istok for April

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

Data source: Istok 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 Istok Compares to Other Months

Weather in Istok varies notably across the year, with each month offering distinct climate conditions. This page compares April’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 April’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