Dortmund vs Hennef (Sieg) Climate
99%matchDortmund vs Hennef (Sieg): a 99% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Dortmund gets 35 in (886 mm) of rain a year and Hennef (Sieg) 33 in (847 mm). July is the warmest month in both, with highs of 78°F (25°C) in Dortmund and 77°F (25°C) in Hennef (Sieg).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
DortmundHennef (Sieg)solid = high, dashed = low
Rain (in per month)
DortmundHennef (Sieg)
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Dortmund | Hennef (Sieg) | Dortmund | Hennef (Sieg) | Dortmund | Hennef (Sieg) | |
| Jan | 43°F(6°C) | 42°F(6°C) | 33°F(0°C) | 33°F(0°C) | 3.1 in(78 mm) | 2.8 in(72 mm) |
| Feb | 45°F(7°C) | 45°F(7°C) | 33°F(0°C) | 32°F(0°C) | 2.6 in(67 mm) | 2.4 in(61 mm) |
| Mar | 51°F(11°C) | 52°F(11°C) | 36°F(2°C) | 36°F(2°C) | 2.2 in(55 mm) | 2.5 in(63 mm) |
| Apr | 61°F(16°C) | 60°F(16°C) | 41°F(5°C) | 41°F(5°C) | 1.9 in(48 mm) | 1.8 in(46 mm) |
| May | 68°F(20°C) | 68°F(20°C) | 47°F(9°C) | 47°F(9°C) | 2.5 in(64 mm) | 2.6 in(66 mm) |
| Jun | 74°F(23°C) | 73°F(23°C) | 53°F(12°C) | 53°F(12°C) | 2.8 in(72 mm) | 3.0 in(76 mm) |
| Jul | 78°F(25°C) | 77°F(25°C) | 57°F(14°C) | 56°F(14°C) | 4.1 in(104 mm) | 3.7 in(93 mm) |
| Aug | 75°F(24°C) | 76°F(24°C) | 55°F(13°C) | 55°F(13°C) | 3.9 in(100 mm) | 3.1 in(80 mm) |
| Sep | 68°F(20°C) | 68°F(20°C) | 50°F(10°C) | 50°F(10°C) | 2.8 in(72 mm) | 2.6 in(67 mm) |
| Oct | 59°F(15°C) | 59°F(15°C) | 44°F(7°C) | 44°F(7°C) | 2.7 in(68 mm) | 2.8 in(72 mm) |
| Nov | 50°F(10°C) | 50°F(10°C) | 39°F(4°C) | 38°F(4°C) | 2.9 in(74 mm) | 2.7 in(68 mm) |
| Dec | 44°F(6°C) | 44°F(6°C) | 34°F(1°C) | 34°F(1°C) | 3.3 in(84 mm) | 3.3 in(83 mm) |
1991–2020 averages, by calendar month.