Petrozavodsk climate

Name: Petrozavodsk
Address: RU

Petrozavodsk is warmest in July, with average highs of 20 °C, and coldest in February, when nights average -11 °C. August is the wettest month (88 mm) and February the driest (29 mm). Figures are 1991–2020 climate normals.

Across a full year Petrozavodsk averages 633 mm of rain, 7 days above 25 °C and 170 days below freezing.

Russia · population 279,190 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 20 °C
Coldest month February -11 °C
Driest month February 29 mm
Wettest month August 88 mm
Least cloud May 62 % cloud
Hottest on record August 34 °C
Coldest on record January -34 °C

What to expectPetrozavodsk through the year

Petrozavodsk has a clear annual cycle: average daily highs run from -6.0 °C in February to 20 °C in July, a swing of 26 °C in mean temperature across the year.

Counted across a normal year, 7 days a year reach 25 °C, 0 of them reach 30 °C, 170 nights drop below freezing. The warmest reading in the 1991–2020 record is 34 °C, in August.

Rain is strongly seasonal. August averages 88 mm against 29 mm in February — 3.1 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-6.2 °C	32 mm	89 %
February	-6.0 °C	29 mm	85 %
March	-1.2 °C	33 mm	73 %
April	5.2 °C	38 mm	68 %
May	12.1 °C	55 mm	62 %
June	17.4 °C	67 mm	62 %
July	20.5 °C	87 mm	64 %
August	18.3 °C	88 mm	67 %
September	13.0 °C	60 mm	73 %
October	5.7 °C	56 mm	82 %
November	-0.2 °C	49 mm	89 %
December	-3.5 °C	40 mm	91 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days below 0 °C
January	-6.2 °C	-10.5 °C	-8.3 °C	5.4 °C	-34.2 °C	0	30
February	-6.0 °C	-10.7 °C	-8.2 °C	4.7 °C	-30.2 °C	0	27
March	-1.2 °C	-6.8 °C	-3.9 °C	10.5 °C	-23.2 °C	0	30
April	5.2 °C	-1.9 °C	1.8 °C	20.7 °C	-16.3 °C	0	21
May	12.1 °C	4.3 °C	8.5 °C	27.9 °C	-5.9 °C	0	4
June	17.4 °C	10.4 °C	14.2 °C	29.5 °C	1.1 °C	2	0
July	20.5 °C	14.1 °C	17.5 °C	31.1 °C	5.6 °C	4	0
August	18.3 °C	12.7 °C	15.6 °C	33.7 °C	5.7 °C	1	0
September	13.0 °C	8.3 °C	10.6 °C	24.5 °C	-0.8 °C	0	0
October	5.7 °C	2.3 °C	4.0 °C	17.5 °C	-9.9 °C	0	8
November	-0.2 °C	-3.3 °C	-1.6 °C	9.4 °C	-19.7 °C	0	21
December	-3.5 °C	-7.4 °C	-5.4 °C	7.4 °C	-31.2 °C	0	28

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	32 mm	9	6.2 h/day	89 %	86 %	17 km/h
February	29 mm	8	8.9 h/day	85 %	85 %	17 km/h
March	33 mm	8	12 h/day	73 %	81 %	17 km/h
April	38 mm	9	15 h/day	68 %	76 %	16 km/h
May	55 mm	11	18 h/day	62 %	71 %	16 km/h
June	67 mm	12	20 h/day	62 %	72 %	16 km/h
July	87 mm	14	19 h/day	64 %	76 %	15 km/h
August	88 mm	13	16 h/day	67 %	78 %	16 km/h
September	60 mm	12	13 h/day	73 %	82 %	17 km/h
October	56 mm	11	10 h/day	82 %	87 %	18 km/h
November	49 mm	11	7.2 h/day	89 %	88 %	18 km/h
December	40 mm	10	5.3 h/day	91 %	87 %	18 km/h

How Petrozavodsk compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Petrozavodsk	20 °C	-11 °C	633 mm	7
Saint Petersburg · Russia	22 °C	-8.6 °C	632 mm	11
Cherepovets · Russia	21 °C	-11 °C	666 mm	11
Velikiy Novgorod · Russia	22 °C	-8.4 °C	739 mm	17
Vologda · Russia	22 °C	-12 °C	640 mm	14
Severodvinsk · Russia	19 °C	-12 °C	574 mm	5
Rybinsk · Russia	22 °C	-10 °C	666 mm	16

Where Petrozavodsk ranks

Ranking	Position	Value
The coolest places in Europe in April	13th of 50	5.2 °C
The coolest places in Europe in September	16th of 50	13 °C
The coolest places in Europe in May	17th of 50	12 °C
The coolest places in the world in April	18th of 50	5.2 °C
The coolest places in Europe in October	20th of 50	5.7 °C
The coolest places in the world in September	23rd of 50	13 °C

Planning a trip? See the best time to visit Petrozavodsk.

QuestionsCommon questions about Petrozavodsk’s climate

When is the best time to visit Petrozavodsk?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Petrozavodsk get?

In July, the warmest month, daily highs average 20 °C. About 0 days a year pass 30 °C. The highest value in the 1991–2020 record is 34 °C.

How cold does it get in winter?

Nights average -11 °C in February, the coldest month. A normal year has 170 nights below freezing.

Which month is wettest in Petrozavodsk?

August, averaging 88 mm over 13 days with rain. The driest month is February with 29 mm. The year as a whole averages 633 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Petrozavodsk rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 61.785°, 34.347° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.