August in Copenhagen averages highs of 21 °C (69 °F) and lows of 15 °C (59 °F), with about 9 rainy days and 15 h 01 min of daylight. The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
August weather in Copenhagen at a glance
average high to low each dot ≈ 3 rainy days
Is August a good time to visit Copenhagen?
Good time to go: comfortably warm and some rain. August is usually high season in Copenhagen: book rooms early, as prices are typically at their highest.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in August 2026
No public holidays fall in August 2026 in Denmark, so opening hours should be normal.
Things to do in Copenhagen in August
August's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Nyhavn — canal houses outdoors
- Tivoli Gardens — open in seasons, magical at night outdoors
- Harbour baths and a canal tour — swim in summer outdoors
- Rosenborg Castle and King's Garden — crown jewels indoors
- Louisiana Museum — 35 min north by train indoors
- Torvehallerne food halls indoors
Where to stay: Indre By for sights; Vesterbro or Nørrebro for food and value; Christianshavn for canals.
What to pack for Copenhagen in August
- Light layers for the day and a jumper for evenings, which cool to 15 °C (59 °F).
- An umbrella or a light waterproof: about 9 days this month see real rain.
- Comfortable walking shoes.
What a day in Copenhagen costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €80–170 | €220–420 |
Excluding flights. August is usually high season in Copenhagen: book rooms early, as prices are typically at their highest.
August in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Berlin | 26° / 16° | 7 | Good time to go |
| Amsterdam | 22° / 14° | 10 | Mixed weather |
| Prague | 26° / 16° | 8 | Good time to go |
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is August a good time to visit Copenhagen?
By the numbers, August is a good time to go: comfortably warm and some rain, with average highs of 21 °C (69 °F) and about 9 rainy days. August is usually high season in Copenhagen: book rooms early, as prices are typically at their highest. The best months for weather are June, July, August.
How warm is Copenhagen in August?
Average highs are 21 °C (69 °F) and lows 15 °C (59 °F) (2015–2024 averages). The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
Does it rain a lot in Copenhagen in August?
Expect about 9 days with 2 mm of rain or more, about 68 mm in total. It is the 5th wettest month of the year in Copenhagen.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.