Riga vs Tallinn: which is sunnier?
🇱🇻 Latvia vs 🇪🇪 Estonia · 282 km apart · long-term climate normals (NASA POWER, 2001–2020)
Riga and Tallinn are virtually tied for annual sunshine — about 1,691 vs 1,693 hours a year. Riga has the higher Sunshine Score in 5 of 12 months; the other 7 are 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
| Riga | Tallinn | |
|---|---|---|
| Sunshine hours / year | 1,691 | 1,693 |
| Sunniest month | July (75/100) | July (76/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 73/100 | 69/100 |
| Rain / year | 688 mm | 684 mm |
| Warmest sea | 21°C / 70°F | 20°C / 68°F |
| Peak midday UV | 5 (moderate) | 4 (moderate) |
Riga vs Tallinn month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Riga | Tallinn | Riga | Tallinn | Riga | Tallinn | Riga | Tallinn | |
| January | 0 | 0 | -2° | -2° | 52 | 52 | 0° | 1° |
| February | 0 | 0 | -2° | -3° | 43 | 42 | 0° | 0° |
| March | 0 | 0 | 3° | 0° | 41 | 40 | 2° | 1° |
| April | 7 | 0 | 9° | 6° | 43 | 40 | 5° | 3° |
| May | 47 | 33 | 15° | 13° | 44 | 48 | 12° | 9° |
| June | 69 | 56 | 19° | 17° | 69 | 72 | 19° | 16° |
| July | 75 | 76 | 22° | 21° | 72 | 65 | 21° | 20° |
| August | 75 | 75 | 21° | 20° | 73 | 72 | 21° | 20° |
| September | 59 | 45 | 17° | 15° | 55 | 57 | 19° | 18° |
| October | 13 | 6 | 10° | 9° | 71 | 71 | 13° | 13° |
| November | 0 | 0 | 5° | 4° | 68 | 68 | 9° | 9° |
| December | 0 | 0 | 1° | 0° | 57 | 57 | 5° | 6° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr Riga · May Riga · Jun Riga · Jul even · Aug even · Sep Riga · Oct Riga · Nov even · Dec even.
When to pick which
- November–February: too close to call — Riga averages 0/100, Tallinn 0/100. Daytime highs are similar (1°C vs 0°C). See the winter sun ranking.
- March–May: Riga (average score 18/100 vs 11). Riga is the warmer, around 9°C daytime highs vs 6°C.
- June–August: Riga (average score 73/100 vs 69). Riga is the warmer, around 21°C daytime highs vs 19°C.
- September–October: Riga (average score 36/100 vs 26). Riga is the warmer, around 14°C daytime highs vs 12°C.
Sea temperature
Riga's sea gets warmer: 21°C / 70°F at its peak vs 20°C. Swimmable water (21°C+): Riga about 2 months a year, Tallinn never. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Riga weather by month · Tallinn weather by month.
More comparisons: Riga vs Minsk · Riga vs Helsinki (Vantaa) · Riga vs Vilnius · Tallinn vs St. Petersburg · Tallinn vs Stockholm · Tallinn vs Helsinki (Vantaa) · all head-to-heads