St. Petersburg vs Tallinn: which is sunnier?
🇷🇺 Russia vs 🇪🇪 Estonia · 308 km apart · long-term climate normals (NASA POWER, 2001–2020)
Tallinn is the sunnier overall: about 1,693 hours of sunshine a year to St. Petersburg's 1,522. Tallinn has the higher Sunshine Score in 3 of 12 months, St. Petersburg in 2 (7 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
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At a glance
| St. Petersburg | Tallinn | |
|---|---|---|
| Sunshine hours / year | 1,522 | 1,693 |
| Sunniest month | July (71/100) | July (76/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 68/100 | 69/100 |
| Rain / year | 724 mm | 684 mm |
| Warmest sea | 23°C / 73°F | 20°C / 68°F |
| Peak midday UV | 4 (moderate) | 4 (moderate) |
St. Petersburg vs Tallinn month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| St. Petersburg | Tallinn | St. Petersburg | Tallinn | St. Petersburg | Tallinn | St. Petersburg | Tallinn | |
| January | 0 | 0 | -5° | -2° | 45 | 52 | 0° | 1° |
| February | 0 | 0 | -5° | -3° | 38 | 42 | 0° | 0° |
| March | 0 | 0 | 0° | 0° | 40 | 40 | 1° | 1° |
| April | 0 | 0 | 7° | 6° | 47 | 40 | 4° | 3° |
| May | 44 | 33 | 15° | 13° | 60 | 48 | 12° | 9° |
| June | 61 | 56 | 18° | 17° | 78 | 72 | 21° | 16° |
| July | 71 | 76 | 22° | 21° | 88 | 65 | 23° | 20° |
| August | 71 | 75 | 20° | 20° | 90 | 72 | 22° | 20° |
| September | 45 | 45 | 15° | 15° | 58 | 57 | 19° | 18° |
| October | 0 | 6 | 7° | 9° | 67 | 71 | 10° | 13° |
| November | 0 | 0 | 1° | 4° | 59 | 68 | 4° | 9° |
| December | 0 | 0 | -3° | 0° | 54 | 57 | 0° | 6° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May St. Petersburg · Jun St. Petersburg · Jul Tallinn · Aug Tallinn · Sep even · Oct Tallinn · Nov even · Dec even.
When to pick which
- November–February: too close to call — St. Petersburg averages 0/100, Tallinn 0/100. Tallinn is the warmer, around 0°C daytime highs vs -3°C. See the winter sun ranking.
- March–May: St. Petersburg (average score 15/100 vs 11). Daytime highs are similar (7°C vs 6°C).
- June–August: too close to call — St. Petersburg averages 68/100, Tallinn 69/100. Daytime highs are similar (20°C vs 19°C).
- September–October: Tallinn (average score 26/100 vs 23). Daytime highs are similar (11°C vs 12°C).
Sea temperature
St. Petersburg's sea gets warmer: 23°C / 73°F at its peak vs 20°C. Swimmable water (21°C+): St. Petersburg about 3 months a year, Tallinn never. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: St. Petersburg weather by month · Tallinn weather by month · Best time to visit Russia.
More comparisons: St. Petersburg vs Helsinki (Vantaa) · St. Petersburg vs Cherepovets · St. Petersburg vs Petrozavodsk · Tallinn vs Stockholm · Tallinn vs Helsinki (Vantaa) · Tallinn vs Riga · all head-to-heads