Climate averages 1991–2020
Flensburg 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 Flensburg: daytime highs average 20.6°C and nights cool to about 13.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 76 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 14 h 57 min on an average August day.
The nearest other city in this atlas is Kiel (69 km away). In August its highs average 21.3°C, 0.7°C warmer than Flensburg, with 73 mm of rain.
Among the 120 cities listed in Germany, Flensburg ranks 119th of 120 for the warmest August highs and joint 61st of 120 for the driest August (rainfall, lowest first). The mean August high of those 120 cities is 22.9°C; Flensburg is 2.3°C cooler than that mean.
From August to September, average highs fall by 3.6°C to 17.0°C, and monthly rainfall falls from 76 mm to 63 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
Flensburg climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.7°C-0.2°C | -0.2°C | 64 | 12.7 | 7.98 h |
| February | 4.2°C-0.3°C | -0.3°C | 50 | 10.5 | 9.610 h |
| March | 7.0°C0.9°C | 0.9°C | 50 | 10.7 | 11.812 h |
| April | 11.7°C3.9°C | 3.9°C | 43 | 9.6 | 14.114 h |
| May | 15.7°C7.9°C | 7.9°C | 55 | 10.6 | 16.116 h |
| June | 18.6°C11.2°C | 11.2°C | 68 | 11.5 | 17.217 h |
| July | 20.8°C13.6°C | 13.6°C | 74 | 12.3 | 16.717 h |
| August, selected | 20.6°C13.8°C | 13.8°C | 76 | 12.8 | 15.015 h |
| September | 17.0°C11.3°C | 11.3°C | 63 | 11.0 | 12.813 h |
| October | 12.4°C7.5°C | 7.5°C | 65 | 12.6 | 10.611 h |
| November | 7.6°C3.7°C | 3.7°C | 57 | 11.8 | 8.59 h |
| December | 4.6°C1.0°C | 1.0°C | 63 | 12.6 | 7.37 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
- Kiel in AugustGermany · 69 kmHigh 21.3°C · Low 14.3°C · 73 mm rain
- Neumünster in AugustGermany · 87 kmHigh 21.4°C · Low 14.0°C · 75 mm rain
- Odense in AugustDenmark · 91 kmHigh 21.0°C · Low 14.0°C · 70 mm rain
- Esbjerg in AugustDenmark · 98 kmHigh 19.4°C · Low 14.7°C · 88 mm rain
- Norderstedt in AugustGermany · 126 kmHigh 21.8°C · Low 14.1°C · 75 mm rain
- Lübeck in AugustGermany · 130 kmHigh 21.9°C · Low 14.4°C · 75 mm rain
- Hamburg in AugustGermany · 142 kmHigh 22.2°C · Low 14.1°C · 76 mm rain
- Bremerhaven in AugustGermany · 148 kmHigh 20.9°C · Low 15.1°C · 84 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 Flensburg) is explained once on the Flensburg year overview and on the Sources, method and limits page.