May Weather in Omsk, Russian Federation

Last updated: August 27, 2025

In May, the average temperature in Omsk, Russian Federation hovers around 13°C (57°F). However, be prepared for extremes, as temperatures can dip as low as -8°C (18°F) or soar to 36°C (98°F). Expect about 37 mm (1.4 in) of precipitation spread over 9 days, with an average humidity level of 62%. Stay prepared for a mix of weather conditions!

May Temperature in Omsk

In May in Omsk, the average temperature is 13°C (57°F), with maximums reaching 36°C (98°F) and minimums dropping as low as -8°C (18°F). Therefore, travelers should be prepared for a wide range of temperatures during their visit.

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

The chart illustrates May temperature patterns in Omsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omsk, May typically has an average temperature of 13°C (57°F), with highs reaching up to 36°C (98°F) and lows dropping to around -8°C (18°F).

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

May Precipitation in Omsk

In Omsk in May, the total precipitation amount is 37 mm (1.4 in) spread across 9 days.

May Precipitation Trends in Omsk

The chart displays monthly precipitation patterns in Omsk, 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 Omsk, May typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 9 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 Omsk

In Omsk in May, humidity is 62%. With an average temperature of 13°C (57°F), this humidity feels like a cool, damp embrace, making it essential for travelers to dress in layers to stay comfortable while exploring the surroundings.

May Average Humidity in Omsk

This chart illustrates the average monthly humidity levels in Omsk, 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 Omsk is approximately 62%, 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 Omsk

In Omsk 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 Omsk.

Maximum UV Index Levels in Omsk for May

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

Data source: Omsk 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 Omsk Compares to Other Months

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

This table compares monthly weather conditions in Omsk, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-16°C (3°F)	17 mm (0.7 inches)	98%	low
February Weather	-15°C (6°F)	23 mm (0.9 inches)	97%	low
March Weather	-7°C (20°F)	22 mm (0.9 inches)	96%	moderate
April Weather	5°C (41°F)	35 mm (1.4 inches)	85%	moderate
May Weather	13°C (57°F)	37 mm (1.4 inches)	62%	high
June Weather	17°C (63°F)	64 mm (2.5 inches)	51%	high
July Weather	20°C (69°F)	47 mm (1.9 inches)	49%	high
August Weather	18°C (65°F)	51 mm (2.0 inches)	56%	high
September Weather	11°C (52°F)	45 mm (1.8 inches)	71%	moderate
October Weather	4°C (40°F)	33 mm (1.3 inches)	83%	moderate
November Weather	-6°C (21°F)	27 mm (1.1 inches)	88%	low
December Weather	-13°C (8°F)	24 mm (1.0 inches)	89%	low