What is the weather like in Tallinn in summer?

Tallinn’s summer weather is pleasantly mild, with average temperatures ranging from 15–22°C (59–72°F) from June through August. The Baltic Sea location moderates the climate, creating comfortable conditions for exploring the Old Town and attending outdoor events. You can expect occasional light rain and should pack layers for variable weather conditions throughout your summer visit.

What temperatures can you expect in Tallinn during summer?

Summer temperatures in Tallinn typically range from 15–22°C (59–72°F) during the day, with cooler evenings dropping to around 10–15°C (50–59°F). June marks the beginning of Estonia’s summer climate, with daytime highs reaching 18–20°C, while July is the warmest month, with temperatures often climbing to 22°C or slightly higher.

The Baltic Sea significantly influences Tallinn’s weather patterns, creating a maritime climate that prevents extreme temperature swings. This coastal location means you’ll experience more stable temperatures compared to inland areas, with the sea acting as a natural temperature regulator. August maintains pleasant warmth similar to July, though you might notice slightly cooler evenings as the season progresses.

When staying in Tallinn Old Town, the medieval stone buildings and narrow cobblestone streets can create slightly cooler microclimates during the day, providing welcome relief during warmer periods. The UNESCO World Heritage area’s architecture also offers natural shade, making summer exploration comfortable even during peak afternoon temperatures.

See what’s happening in Tallinn this year!

Tallinn’s summer calendar bursts with world-class entertainment and cultural events that perfectly complement your visit. From international music acts to traditional Estonian festivals, you’ll find exciting activities throughout the warmer months.

Here are the major events happening this summer:

• 5–10 May – The Phantom of the Opera
• 14 May – Estonian Ascension Day (not a public holiday in Estonia, but may affect Helsinki ferry traffic)
• 30 May – Swedish House Mafia
• 14 June – Kings of Leon
• 1–4 July – Õllesummer Festival
• 20 July – Lenny Kravitz
• 31 July – Scorpions @ Tallinn Rock Festival

Many of these events take place in outdoor venues or historic locations, making summer weather conditions perfect for enjoying live performances. We recommend booking tickets early, as these international acts often sell out quickly. The combination of excellent weather and world-class entertainment makes summer an ideal time to experience Tallinn’s vibrant cultural scene.

How much rain should you prepare for during Tallinn’s summer months?

Tallinn receives moderate rainfall during summer, with approximately 60–80 mm per month spread across 8–12 rainy days. Most summer precipitation comes as light showers or brief thunderstorms rather than prolonged heavy rain. The maritime climate means weather can change quickly, but serious downpours rarely last more than a few hours.

June typically brings the most variable weather patterns as spring transitions to summer, with occasional heavier showers. July and August generally feature lighter, more predictable rainfall that often occurs during evening hours or overnight. This pattern means your daytime sightseeing in the Old Town rarely faces significant weather disruption.

The cobblestone streets in Tallinn’s historic centre can become slippery when wet, so proper footwear is important during rainy periods. However, the medieval architecture provides numerous covered walkways, cafés, and boutique hotels where you can comfortably wait out brief showers while enjoying the atmospheric surroundings.

What should you pack for a summer visit to Tallinn?

Pack lightweight layers and a waterproof jacket for Tallinn’s variable summer weather. Include comfortable walking shoes with good grip for cobblestone streets, plus a light jumper for cooler evenings. A compact umbrella and breathable clothing in natural fabrics will keep you comfortable throughout your summer travels in Estonia.

For daytime exploration, bring comfortable walking shoes with non-slip soles – the Old Town’s medieval cobblestones can be challenging in regular trainers, especially when damp. Pack lightweight, breathable clothing such as cotton or linen shirts, as summer temperatures can feel warmer when walking through the historic streets with limited shade.

Evening temperatures drop noticeably, so include a light cardigan or jacket for outdoor dining or evening events. A waterproof layer is important – choose a packable rain jacket that won’t take up much luggage space. For business travellers, smart-casual clothing works well for most restaurants and venues, though some upscale establishments may require slightly more formal attire.

Don’t forget sun protection – while temperatures remain moderate, the northern latitude means extended daylight hours during the summer months. Pack sunglasses and light sun cream, particularly if you plan to spend time exploring Tallinn’s parks or coastal areas beyond the Old Town’s sheltered streets.

Understanding Tallinn’s summer weather helps you make the most of your visit to Estonia’s charming capital. The moderate temperatures, manageable rainfall, and excellent summer events create ideal conditions for exploring this UNESCO World Heritage city. With proper preparation and appropriate clothing, you’ll enjoy comfortable sightseeing regardless of the weather conditions during your stay.