Estonia Weather in August
Official August temperature and rain averages for Estonia, shorter late-summer days, what to pack and how to plan beaches, islands and city visits.
Last updated October 2026
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Estonia's weather in August still suits a summer trip, but the nights cool and daylight shortens. The Estonian Weather Service gives Tallinn-Harku an August mean of 16.5°C, an average daily high of 21.0°C and low of 12.3°C for 1991 to 2020. Pack summer clothes with a warm layer and rain shell, especially if you plan to stay outside in the evening.
August is late summer, with room for beaches, island visits and city walks. Expect cooler evenings and less daylight than July. Keep beach plans flexible, and bring rain protection instead of treating the month as reliably dry.
Estonia weather in August: temperature by place
These monthly means come from the official temperature normals. They include days and nights:
| Station | August mean °C |
|---|---|
| Tallinn-Harku | 16.5 |
| Pärnu | 17.2 |
| Tartu-Tõravere | 16.7 |
| Vilsandi | 17.8 |
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Vilsandi's August mean matches its July mean, while the mainland stations in this table are cooler in August. That is a useful sign of how the sea changes the seasonal pattern. It is not a guarantee of warm weather on every island visit.
For a trip mainly in Tallinn, use the Tallinn weather guide. The Estonia climate guide gives the full year and helps you compare coast and inland destinations.
August rain: keep a wet-weather option
Tallinn-Harku's August precipitation normal is 85 mm, Pärnu's 84 mm and Tartu-Tõravere's 79 mm, according to the weather service. These are monthly totals, not an expected amount for your own stay.
A rain shell gives you more choices than a plan that depends on clear skies. Put the longest trail or beach outing on the best forecast day. Leave an indoor city day available if a wetter spell arrives.
Choose shoes that still work after a shower. A spare pair of socks can be useful for a long walking day. If your main plan is cycling or camping, check wind and overnight conditions as well as the afternoon temperature.
Shorter days and cooler evenings
An approximate sunrise-to-sunset calculation gives Tallinn about fifteen and a half hours of daylight on 15 August. It uses Tallinn's latitude and a sun angle of -0.833° for sunrise and sunset. July's equivalent is about eighteen hours on the 15th, so the change is large enough to affect a long day out.
Plan a countryside return in daylight if you prefer not to travel after dark. A route that worked with a very late July sunset may feel rushed later in August. Check the opening hours of the final attraction too: daylight and business hours are separate.
Put a warm layer in your bag for dinner outside or a ferry deck. The mild daytime mean does not describe the wind or the temperature when you return late to your hotel.
Beaches, islands and cities in late summer
Pärnu remains a sensible place to consider for a beach-led trip. Visit Estonia's guide pairs the beach with restaurants and spas. Keep the spa or city walk as an alternative when swimming conditions do not suit you.
For Saaremaa or Hiiumaa, plan the ferry before fixing the rest of the day. Visit Estonia's island guide helps identify the crossing. Confirm the return with the carrier and leave room for weather-related changes.
Tallinn and Tartu suit a mixed indoor and outdoor plan. Take the clear spell for walking and use the wet part of the day for a museum or café. This can be easier than building every day around an outdoor booking.
August or July for an Estonia trip?
Choose July if maximum summer light is your main goal. Choose August if it fits your dates better and you are happy with cooler evenings. The official averages show a gradual seasonal change; they cannot identify which specific week will be best.
Read Estonia July weather for the direct side-by-side view and best time to travel to Estonia for the decision by destination.
For the next part of the route, see Best Time to Visit Latvia.
Verdict: Estonia weather in August
For Estonia weather in August, the month still works for a summer route with beaches, islands and city walks. Carry a rain shell and evening layer, and avoid relying on a very late sunset. Compare the Baltic seasonal guide and Estonia in winter if you are deciding between very different travel seasons.
Questions people also ask
Should I pack a warm layer for summer?
Bring a layer for evenings, exposed coast walks and the ferry deck. Keep it in your day bag so you can use it when the wind or temperature changes.
Can I use the air average to judge sea temperature?
Air temperature and sea temperature are different. Check the local beach information and current conditions before deciding to swim.