Petropavlovsk-Kamchatsky weather in October

In October, Petropavlovsk-Kamchatsky has daytime highs averaging 5.9 °C, nights around 0.4 °C, with 12 wet days, and a sea temperature of 8.0 °C. Figures are 1991–2020 climate normals.

  1. Jan -11°
  2. Feb -10°
  3. Mar -6°
  4. Apr -2°
  5. May
  6. Jun
  7. Jul 12°
  8. Aug 13°
  9. Sep
  10. Oct
  11. Nov -4°
  12. Dec -10°

Daily temperatures through October

-5°12°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 9.6 °C and lows bottom out at -3.0 °C.

How October develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 October8.6 °C2.7 °C37 %
11–20 October6.2 °C0.6 °C39 %
21–31 October3.5 °C-1.7 °C39 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in October. Wettest date over the 30 years: October 14, at 60 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical October Share of the month
Days above 25 °C 0 of 31 0 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 13 of 31 41 %
Days with more than 1 mm rain 12 of 31 38 %

Conditions in October

MeasureAverage
Mean temperature 2.9 °C
Record high (1991–2020) 15 °C
Record low (1991–2020) -16 °C
Relative humidity 80 %
Wind speed 24 km/h
Cloud cover 61 %

Where Petropavlovsk-Kamchatsky ranks in October

RankingPositionValue
The coolest places in Europe in October22ndof 505.9 °C
The coolest places in the world in October27thof 505.9 °C

October compared with the months around it

Month Avg high Rainfall Cloud
August 16.3 °C 105 mm 68 %
September 12.7 °C 108 mm 61 %
October 5.9 °C 138 mm 61 %
November -1.7 °C 133 mm 59 %
December -7.6 °C 119 mm 64 %

See all twelve months for Petropavlovsk-Kamchatsky

QuestionsOctober in Petropavlovsk-Kamchatsky, answered

How warm is Petropavlovsk-Kamchatsky in October?

Daily highs average 5.9 °C and nights fall to about 0.4 °C, a spread of 5.5 °C between afternoon and dawn. That makes October the 5th warmest month of the year here.

Does it rain much in Petropavlovsk-Kamchatsky in October?

October averages 138 mm of rain, spread over about 12 of the 31 days — 38 % of the month. Cloud cover averages 61 % of the sky.

Is the sea warm enough to swim in October?

The sea averages 8.0 °C off Petropavlovsk-Kamchatsky in October. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in October?

Petropavlovsk-Kamchatsky averages 11 hours between sunrise and sunset in October. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. 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.