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The weather in Saint Petersburg in October is very cold with temperatures between 3°C and 8°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Saint Petersburg. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Saint Petersburg during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Saint Petersburg.
Our weather forecast can give you a great sense of what weather to expect in Saint Petersburg in October 2025.
If you’re planning to visit Saint Petersburg in the near future, we highly recommend that you review the 14 day weather forecast for Saint Petersburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -9° | 4 | 4 | 23 | 50 mm | Awful | Saint Petersburg in January |
| February | -3° / -8° | 3 | 3 | 23 | 60 mm | Awful | Saint Petersburg in February |
| March | 0° / -5° | 7 | 5 | 20 | 50 mm | Awful | Saint Petersburg in March |
| April | 8° / 1° | 7 | 14 | 9 | 63 mm | Awful | Saint Petersburg in April |
| May | 16° / 7° | 6 | 24 | 1 | 63 mm | Good | Saint Petersburg in May |
| June | 20° / 11° | 5 | 25 | 0 | 73 mm | Good | Saint Petersburg in June |
| July | 23° / 14° | 5 | 26 | 0 | 83 mm | Perfect | Saint Petersburg in July |
| August | 21° / 13° | 6 | 25 | 0 | 101 mm | Good | Saint Petersburg in August |
| September | 15° / 9° | 5 | 25 | 0 | 60 mm | Good | Saint Petersburg in September |
| October | 8° / 3° | 8 | 19 | 5 | 65 mm | Awful | Saint Petersburg in October |
| November | 3° / 0° | 8 | 13 | 10 | 66 mm | Awful | Saint Petersburg in November |
| December | -2° / -5° | 6 | 5 | 22 | 61 mm | Awful | Saint Petersburg in December |