Saint Petersburg weather in October
In October, Saint Petersburg has daytime highs averaging 7.3 °C, nights around 3.3 °C, with 12 wet days. Figures are 1991–2020 climate normals.
- 7.3°C Average high
- 3.3°C Average low
- 12days Wet days
- 62mm Rainfall
- 10h Daylight
Daily temperatures through October
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.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 October | 10.5 °C | 5.8 °C | 40 % |
| 11–20 October | 7.3 °C | 3.3 °C | 38 % |
| 21–31 October | 4.8 °C | 1.3 °C | 39 % |
- Average highs fall from 10.5 °C early in October to 4.8 °C by the end of it.
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 | 6.3 of 31 | 20 % |
| Days with more than 1 mm rain | 12 of 31 | 39 % |
Conditions in October
| Measure | Average |
|---|---|
| Mean temperature | 5.4 °C |
| Record high (1991–2020) | 18 °C |
| Record low (1991–2020) | -11 °C |
| Relative humidity | 86 % |
| Wind speed | 21 km/h |
| Cloud cover | 77 % |
Where Saint Petersburg ranks in October
| Ranking | Position | Value |
|---|---|---|
| The coolest places in Europe in October | 44thof 50 | 7.3 °C |
October compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| August | 19.8 °C | 73 mm | 63 % |
| September | 14.5 °C | 55 mm | 69 % |
| October | 7.3 °C | 62 mm | 77 % |
| November | 1.6 °C | 57 mm | 86 % |
| December | -1.5 °C | 49 mm | 88 % |
See all twelve months for Saint Petersburg
- October is the 6th warmest month here.
- It is the 9th driest month of the year.
- It ranks 8th for least cloud cover.
- Days last about 10 hours from sunrise to sunset.
- It rains on 12 of 31 days — 39 % of the month.
- Nights are about 4.0 °C cooler than the middle of the day.
- The hottest October day on record since 1991 reached 18 °C, 10 °C above the usual daytime high.
Nearby destinations in October
| Destination | Avg high | Wet days | Sea |
|---|---|---|---|
| Saint Petersburg | 7.3 °C | 12 | – |
| Velikiy Novgorod | 7.7 °C | 14 | – |
| Pskov | 8.5 °C | 12 | – |
| Vantaa | 8.1 °C | 11 | 10 |
QuestionsOctober in Saint Petersburg, answered
How warm is Saint Petersburg in October?
Daily highs average 7.3 °C and nights fall to about 3.3 °C, a spread of 4.0 °C between afternoon and dawn. That makes October the 6th warmest month of the year here.
Does it rain much in Saint Petersburg in October?
October averages 62 mm of rain, spread over about 12 of the 31 days — 39 % of the month. Cloud cover averages 77 % of the sky.
How long are the days in October?
Saint Petersburg averages 10 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
- 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
- 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.