Climate averages 1991–2020
Copenhagen weather
in August.
A mild, moderately wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Copenhagen: daytime highs average 20.6°C and nights cool to about 14.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 77 mm of rain on roughly 13 days, which makes August a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 03 min on an average August day.
The nearest other city in this atlas is Malmö (28 km away). In August its highs average 20.8°C, about as warm as Copenhagen, with 66 mm of rain.
Among the 5 cities listed in Denmark, Copenhagen ranks 2nd of 5 for the warmest August highs and 3rd of 5 for the driest August (rainfall, lowest first). The mean August high of those 5 cities is 20.2°C; Copenhagen is 0.3°C warmer than that mean.
From August to September, average highs fall by 3.8°C to 16.7°C, and monthly rainfall falls from 77 mm to 59 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Copenhagen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.0°C-0.5°C | -0.5°C | 50 | 11.7 | 7.78 h |
| February | 3.3°C-0.7°C | -0.7°C | 41 | 9.5 | 9.610 h |
| March | 6.0°C0.5°C | 0.5°C | 43 | 10.0 | 11.812 h |
| April | 10.8°C3.7°C | 3.7°C | 41 | 9.3 | 14.114 h |
| May | 15.4°C7.9°C | 7.9°C | 52 | 10.3 | 16.216 h |
| June | 18.6°C11.7°C | 11.7°C | 71 | 11.2 | 17.417 h |
| July | 20.9°C14.2°C | 14.2°C | 72 | 12.0 | 16.917 h |
| August, selected | 20.6°C14.5°C | 14.5°C | 77 | 12.8 | 15.115 h |
| September | 16.7°C11.5°C | 11.5°C | 59 | 10.2 | 12.813 h |
| October | 11.7°C7.6°C | 7.6°C | 60 | 11.7 | 10.511 h |
| November | 7.2°C4.0°C | 4.0°C | 50 | 11.0 | 8.48 h |
| December | 4.1°C0.9°C | 0.9°C | 53 | 11.5 | 7.27 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Malmö in AugustSweden · 28 kmHigh 20.8°C · Low 14.2°C · 66 mm rain
- Lund in AugustSweden · 39 kmHigh 20.7°C · Low 13.5°C · 80 mm rain
- Helsingborg in AugustSweden · 42 kmHigh 20.6°C · Low 13.8°C · 87 mm rain
- Halmstad in AugustSweden · 112 kmHigh 20.4°C · Low 13.6°C · 102 mm rain
- Odense in AugustDenmark · 140 kmHigh 21.0°C · Low 14.0°C · 70 mm rain
- Århus in AugustDenmark · 156 kmHigh 20.3°C · Low 13.9°C · 70 mm rain
- Rostock in AugustGermany · 179 kmHigh 21.8°C · Low 14.8°C · 74 mm rain
- Växjö in AugustSweden · 192 kmHigh 19.9°C · Low 12.8°C · 76 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Copenhagen) is explained once on the Copenhagen year overview and on the Sources, method and limits page.