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The temperatures in Tallinn in October are quite cold with temperatures between 5°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Tallinn. 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 Tallinn during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Tallinn.
Our weather forecast can give you a great sense of what weather to expect in Tallinn in October 2025.
If you’re planning to visit Tallinn in the near future, we highly recommend that you review the 14 day weather forecast for Tallinn before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 7 | 5 | 22 | 83 mm | Awful | Tallinn in January |
| February | -2° / -5° | 6 | 3 | 21 | 71 mm | Awful | Tallinn in February |
| March | 1° / -3° | 10 | 5 | 19 | 67 mm | Awful | Tallinn in March |
| April | 7° / 1° | 7 | 15 | 8 | 60 mm | Awful | Tallinn in April |
| May | 13° / 6° | 6 | 24 | 1 | 77 mm | Ok | Tallinn in May |
| June | 18° / 11° | 7 | 23 | 0 | 114 mm | Ok | Tallinn in June |
| July | 21° / 14° | 8 | 23 | 0 | 131 mm | Ok | Tallinn in July |
| August | 20° / 14° | 8 | 23 | 0 | 139 mm | Ok | Tallinn in August |
| September | 16° / 10° | 7 | 23 | 0 | 106 mm | Ok | Tallinn in September |
| October | 9° / 5° | 10 | 18 | 4 | 108 mm | Awful | Tallinn in October |
| November | 5° / 2° | 10 | 12 | 8 | 93 mm | Awful | Tallinn in November |
| December | 1° / -2° | 9 | 5 | 20 | 91 mm | Awful | Tallinn in December |