Saint Petersburg weather in October
October in Saint Petersburg: cold, rainy, with clean air — a good time to visit.
#7 of 12 months in Saint Petersburg · #536 of 604 destinations to visit in October · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Saint Petersburg climate normals — October
| Daytime high | 9°C / 47°F | 🧥 cold |
|---|---|---|
| Nighttime low | 5°C / 40°F | |
| Feels like (high) | 5°C / 41°F | |
| Rainfall | 95 mm / 3.7 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 4°C / 38°F | |
| Sunshine | 4.3 h/day | |
| Daylight | 10.1 h | |
| Wind | 23 km/h / 14 mph | |
| Snowfall | 1.6 cm / 0.6 in | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Saint Petersburg in October — FAQ
- Is October a good time to visit Saint Petersburg?
- October in Saint Petersburg: cold, rainy, with clean air — a good time to visit. It ranks #7 of 12 months for Saint Petersburg on SeasonMap's comfort score (60/100).
- What is the weather like in Saint Petersburg in October?
- In October, Saint Petersburg averages a daily high of 8.5°C and a low of 4.5°C, with about 94.9 mm of rain over roughly 16.2 rainy days.
- What is the air quality in Saint Petersburg in October?
- Saint Petersburg has a mean US Air Quality Index of about 27 in October.
- Does it snow in Saint Petersburg in October?
- Saint Petersburg sees roughly 1.6 cm of snowfall in October.