Weather in Bielefeld in August
Germany · 20-year averages, August
A good month. August works. It is not the peak, but nothing about it fights you. You should expect rain on 15 days of the month, which is more days wet than dry.
August ranks 4 of 12 in Bielefeld: past the worst of the year but short of September, which is the month to book if the dates are open.
This is persistent light rain rather than storms: 15 wet days but only 2 heavy ones. It rarely cancels anything outright, and it rarely fully clears either. A jacket beats an umbrella. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.
What the averages hide
The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest August day reached 35 °C and the coldest night fell to 5.7 °C, and the wettest single day dropped 38 mm — roughly 51% of the month's rain in one day.
August is moderately variable: 23 mm in the driest year against 154 mm in the wettest, around an average of 74 mm. Roughly two Augusts in three land near that average, and the third does something else entirely.
Wind is light at 9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 75%, high enough to notice on the warm days without dominating them.
How August sits in the year
Temperatures hold steady either side: 23.2 °C in July, 23.3 here, 19.6 in September. Nothing about the timing within the month matters much.
Daylight in August
14.7 hours of daylight, losing 1.8 hours across the month. That is between Bielefeld's extremes of 16.7 and 7.8 hours, so days are long enough not to constrain the plan.
An inland climate
With no coast nearby, the year swings a fair way — 25 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Peak season. Expect the highest prices of the year and to be booking well ahead.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
August in Bielefeld versus nearby
If Bielefeld is one option among several, the nearby comparison is worth making. Köln is close enough to be a coin toss — within a degree on temperature, 1 day less rain. Groningen is close enough to be a coin toss — within a degree on temperature, 1 day more rain.
So: August works, with September the better month by 7 points if the dates can move. If they cannot, nothing here should stop you booking.
Every month in Bielefeld
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 3.5 | -1.7 | 16 | 80 | 93 | 8.2 | 19 |
| February | 5 | -1.3 | 12 | 58 | 90 | 9.9 | 29 |
| March | 9 | 0.6 | 13 | 56 | 85 | 11.8 | 43 |
| April | 14.3 | 4 | 10 | 44 | 79 | 13.8 | 64 |
| May | 17.9 | 7.6 | 13 | 66 | 78 | 15.6 | 71 |
| June | 21.1 | 11.2 | 13 | 69 | 77 | 16.7 | 78 |
| July | 23.2 | 13.3 | 15 | 78 | 75 | 16.3 | 73 |
| August | 23.3 | 13.3 | 15 | 74 | 75 | 14.7 | 73 |
| September | 19.6 | 10 | 11 | 59 | 78 | 12.8 | 80 |
| October | 14.6 | 6.4 | 12 | 63 | 85 | 10.8 | 62 |
| November | 8.6 | 3 | 14 | 70 | 92 | 8.9 | 38 |
| December | 4.4 | -0.1 | 16 | 78 | 94 | 7.8 | 23 |
See all twelve months in Bielefeld, or where else to go in August.
Planning the rest of the trip
- Flight time to Bielefeld how long you are actually in the air
- Bielefeld time zone and the difference from home
- Days until your trip count down to the departure date