Aachen vs Hennef (Sieg) Climate
99%matchOn climate, Hennef (Sieg) is a 99% match for Aachen. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Aachen gets 34 in (876 mm) of rain a year and Hennef (Sieg) 33 in (847 mm). July is the warmest month in both, with highs of 74°F (23°C) in Aachen 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)
AachenHennef (Sieg)solid = high, dashed = low
Rain (in per month)
AachenHennef (Sieg)
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Aachen | Hennef (Sieg) | Aachen | Hennef (Sieg) | Aachen | Hennef (Sieg) | |
| Jan | 42°F(6°C) | 42°F(6°C) | 33°F(1°C) | 33°F(0°C) | 3.0 in(75 mm) | 2.8 in(72 mm) |
| Feb | 44°F(7°C) | 45°F(7°C) | 34°F(1°C) | 32°F(0°C) | 3.0 in(75 mm) | 2.4 in(61 mm) |
| Mar | 51°F(11°C) | 52°F(11°C) | 37°F(3°C) | 36°F(2°C) | 2.7 in(68 mm) | 2.5 in(63 mm) |
| Apr | 59°F(15°C) | 60°F(16°C) | 42°F(6°C) | 41°F(5°C) | 2.0 in(50 mm) | 1.8 in(46 mm) |
| May | 65°F(19°C) | 68°F(20°C) | 48°F(9°C) | 47°F(9°C) | 2.4 in(60 mm) | 2.6 in(66 mm) |
| Jun | 71°F(22°C) | 73°F(23°C) | 53°F(12°C) | 53°F(12°C) | 2.9 in(74 mm) | 3.0 in(76 mm) |
| Jul | 74°F(23°C) | 77°F(25°C) | 57°F(14°C) | 56°F(14°C) | 3.5 in(90 mm) | 3.7 in(93 mm) |
| Aug | 74°F(23°C) | 76°F(24°C) | 57°F(14°C) | 55°F(13°C) | 3.1 in(80 mm) | 3.1 in(80 mm) |
| Sep | 67°F(19°C) | 68°F(20°C) | 52°F(11°C) | 50°F(10°C) | 3.0 in(75 mm) | 2.6 in(67 mm) |
| Oct | 59°F(15°C) | 59°F(15°C) | 46°F(8°C) | 44°F(7°C) | 2.7 in(69 mm) | 2.8 in(72 mm) |
| Nov | 49°F(10°C) | 50°F(10°C) | 40°F(4°C) | 38°F(4°C) | 2.8 in(71 mm) | 2.7 in(68 mm) |
| Dec | 44°F(6°C) | 44°F(6°C) | 35°F(2°C) | 34°F(1°C) | 3.5 in(89 mm) | 3.3 in(83 mm) |
1991–2020 averages, by calendar month.