May Weather in Petrozavodsk, Russian Federation

Last updated: August 27, 2025

In May, the average temperature in Petrozavodsk, Russian Federation is a brisk 9°C (48°F). While temperatures can dip as low as -3°C (26°F), the warmth can peak at a pleasant 29°C (85°F). Expect about 65 mm (2.5 in) of precipitation spread across 11 days, contributing to an average humidity of 78%. Whether you're bracing for a chilly breeze or soaking in the sun, be prepared for a variety of weather this month!

May Temperature in Petrozavodsk

In May in Petrozavodsk, the average temperature is 9°C (48°F). Maximum temperatures can reach as high as 29°C (85°F), while minimum temperatures can drop to as low as -3°C (26°F). Prepare for a range of weather conditions if you're planning to travel during this time.

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

The chart illustrates May temperature patterns in Petrozavodsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petrozavodsk, May typically has an average temperature of 9°C (48°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (26°F).

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

May Precipitation in Petrozavodsk

In Petrozavodsk in May, the precipitation amount is 65 mm (2.5 in) over a span of 11 days.

May Precipitation Trends in Petrozavodsk

The chart displays monthly precipitation patterns in Petrozavodsk, 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 Petrozavodsk, May typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 11 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 Petrozavodsk

In Petrozavodsk in May humidity is 78%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions less enjoyable as you navigate the damp air.

May Average Humidity in Petrozavodsk

This chart illustrates the average monthly humidity levels in Petrozavodsk, 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 Petrozavodsk is approximately 78%, 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 Petrozavodsk

In Petrozavodsk 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 Petrozavodsk.

Maximum UV Index Levels in Petrozavodsk for May

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

Data source: Petrozavodsk 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 Petrozavodsk Compares to Other Months

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

This table compares monthly weather conditions in Petrozavodsk, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	40 mm (1.6 inches)	99%	low
February Weather	-7°C (19°F)	48 mm (1.9 inches)	97%	low
March Weather	-3°C (27°F)	43 mm (1.7 inches)	94%	moderate
April Weather	2°C (36°F)	44 mm (1.8 inches)	89%	moderate
May Weather	9°C (48°F)	65 mm (2.5 inches)	78%	moderate
June Weather	15°C (60°F)	53 mm (2.1 inches)	74%	high
July Weather	17°C (62°F)	98 mm (3.8 inches)	82%	high
August Weather	15°C (59°F)	102 mm (4.0 inches)	87%	moderate
September Weather	10°C (51°F)	76 mm (3.0 inches)	91%	moderate
October Weather	5°C (41°F)	68 mm (2.7 inches)	93%	low
November Weather	0°C (33°F)	41 mm (1.6 inches)	93%	low
December Weather	-5°C (24°F)	64 mm (2.5 inches)	95%	low