Bonn Weather in May
Bonn in May
The short of it: Bonn in May averages a high of 20 °C (69 °F) and a low of 9 °C (49 °F), with 62 mm (2.4 in) of rain and about 15 h 29 min of daylight. Rated 4 of 5 for a visit; the best months are April and June. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 9° · rain 62 mm · daylight 15 h 29 min
✦✦✦✦ Recommended for a visit · best months: April & June
Thirty years of records give Bonn an average May high of 20°, a low of 9° and some 62 mm of rain. Highs rise 4° against April, to near 20°; nights run about 9°. Wet spells are common — about 62 mm, the 5th wettest month.
The sun is up for about 15 h 29 min in mid-May, 104 minutes more than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates May 4 of 5 for a visit; the finest months here are April and June.
Against its neighbours, Bonn runs warmer than most and drier than most in May. Bornheim, 8 km to the WNW, sees much the same highs.
May in Bonn, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus April
- 4° warmer, 20 mm more rain
- Versus June
- 3° colder
- Day–night spread
- 11°
- Snow season
- seldom any
- Daylight, mid-month
- 15 h 29 min
- Average wind
- 10 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| BornheimNorth Rhine-Westphalia | 8 km WNW | 20° | 9° | 59 mm |
| Sankt AugustinNorth Rhine-Westphalia | 8 km ENE | 20° | 9° | 64 mm |
| TroisdorfNorth Rhine-Westphalia | 9 km NNE | 20° | 9° | 65 mm |
| Hennef (Sieg)North Rhine-Westphalia | 14 km ENE | 20° | 9° | 66 mm |
| BrühlNorth Rhine-Westphalia | 17 km NW | 20° | 10° | 58 mm |
| Porz am RheinNorth Rhine-Westphalia | 17 km N | 20° | 10° | 64 mm |
| RodenkirchenNorth Rhine-Westphalia | 19 km NNW | 20° | 10° | 62 mm |
| HürthNorth Rhine-Westphalia | 22 km NW | 19° | 10° | 59 mm |