Weather in Bonn on 31 July 2026
Preliminary outlook for 31 July 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +26°C and nighttime around +16°C, average precipitation 0.9 mm, wind around 3 m/s, humidity around 65%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+17°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +12°C
Precipitation: 0.9 mm
Wind: 2 — 4 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 4 h |
| UV index | 5 | Cloud cover (avg.) | 73% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 259° ← (WNW) |
Sunrise
05:57
Duration
15 h 21 min
Sunset
21:18
Moonrise
14:05
Moonset
23:33
Moon phase
Waxing Crescent
Illumination
36%
+24°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 1 — 3 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 16 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 176° ↑ (NNE) |
Sunrise
05:57
Duration
15 h 21 min
Sunset
21:18
Moonrise
00:58
Moonset
18:51
Moon phase
Waning Crescent
Illumination
26%
+18°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +16°C
Precipitation: 3.9 mm
Wind: 5 — 6 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 3 h |
| UV index | 4 | Cloud cover (avg.) | 84% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 235° ↙ (SW) |
Sunrise
05:56
Duration
15 h 23 min
Sunset
21:19
Moonrise
21:06
Moonset
03:09
Moon phase
Waxing Gibbous
Illumination
89%
+22°C
Weather archive — for 2022 year
Moderate rain at times
Weather archive — for 2022 year
Nighttime: +18°C
Precipitation: 0.6 mm
Wind: 2 — 4 m/s
Humidity: 47%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 79% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 226° ↑ (N) |
Sunrise
05:57
Duration
15 h 21 min
Sunset
21:18
Moonrise
08:44
Moonset
22:56
Moon phase
Waxing Crescent
Illumination
12%
+17°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 77% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 248° ← (W) |
Sunrise
05:57
Duration
15 h 21 min
Sunset
21:18
Moonrise
00:18
Moonset
14:41
Moon phase
Last Quarter
Illumination
51%
+26°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 51%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 16 h |
| UV index | 7 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 125° ↘ (SE) |
Sunrise
05:57
Duration
15 h 21 min
Sunset
21:18
Moonrise
18:58
Moonset
02:07
Moon phase
Waxing Gibbous
Illumination
72%
Weather in Bonn on 31 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+22°C
|
+12°C
|
+17°C | 4 h | 5 | 72% | 2 — 4 m/s |
| 2024 |
+30°C
|
+17°C
|
+24°C | 16 h | 6 | 63% | 1 — 3 m/s |
| 2023 |
+20°C
|
+16°C
|
+18°C | 3 h | 4 | 79% | 5 — 6 m/s |
| 2022 |
+29°C
|
+18°C
|
+22°C | 10 h | 5 | 47% | 2 — 4 m/s |
| 2021 |
+20°C
|
+14°C
|
+17°C | 9 h | 4 | 75% | 4 — 5 m/s |
| 2020 |
+33°C
|
+17°C
|
+26°C | 16 h | 7 | 51% | 2 — 3 m/s |