Hennef (Sieg) Weather in May
Hennef (Sieg) in May
The short of it: Hennef (Sieg) in May averages a high of 20 °C (68 °F) and a low of 9 °C (47 °F), with 66 mm (2.6 in) of rain and about 15 h 29 min of daylight. Rated 4 of 5 for a visit; the best months are May and September. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 9° · rain 66 mm · daylight 15 h 29 min
✦✦✦✦ Recommended for a visit · best months: May & September
May in Hennef (Sieg) brings afternoons near 20° and nights around 9°, with about 66 mm of rain over the month. Spring takes hold here: highs climb 4° from April to about 20°, with nights near 9°. Wet spells are common — about 66 mm, the 9th wettest month.
The sun is up for about 15 h 29 min in mid-May, 105 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 4 of 5 for a visit; it is the best month of the year to come.
Against its neighbours, Hennef (Sieg) runs cooler than most and wetter than most in May. Sankt Augustin, 6 km to the W, sees much the same highs.
May in Hennef (Sieg), by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus April
- 4° warmer, 20 mm more rain
- Versus June
- 3° colder
- Day–night spread
- 11°
- Snow season
- Dec–Feb
- 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 |
|---|---|---|---|---|
| Sankt AugustinNorth Rhine-Westphalia | 6 km W | 20° | 9° | 64 mm |
| TroisdorfNorth Rhine-Westphalia | 10 km WNW | 20° | 9° | 65 mm |
| BonnNorth Rhine-Westphalia | 14 km WSW | 20° | 9° | 62 mm |
| Porz am RheinNorth Rhine-Westphalia | 20 km NW | 20° | 10° | 64 mm |
| BornheimNorth Rhine-Westphalia | 21 km W | 20° | 9° | 59 mm |
| RodenkirchenNorth Rhine-Westphalia | 24 km WNW | 20° | 10° | 62 mm |
| Bergisch GladbachNorth Rhine-Westphalia | 26 km NNW | 19° | 9° | 70 mm |
| BrühlNorth Rhine-Westphalia | 27 km WNW | 20° | 10° | 58 mm |