Bonn vs Aachen Climate
99%matchBonn vs Aachen: a 99% climate match. Compared with Bonn, Aachen has the same winter lows and 4°F (2°C) cooler summer days.
Bonn gets 28 in (722 mm) of rain a year and Aachen 34 in (876 mm). July is the warmest month in both, with highs of 78°F (26°C) in Bonn and 74°F (23°C) in Aachen.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
BonnAachensolid = high, dashed = low
Rain (in per month)
BonnAachen
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Bonn | Aachen | Bonn | Aachen | Bonn | Aachen | |
| Jan | 43°F(6°C) | 42°F(6°C) | 34°F(1°C) | 33°F(1°C) | 2.2 in(55 mm) | 3.0 in(75 mm) |
| Feb | 46°F(8°C) | 44°F(7°C) | 33°F(1°C) | 34°F(1°C) | 1.9 in(48 mm) | 3.0 in(75 mm) |
| Mar | 53°F(12°C) | 51°F(11°C) | 37°F(3°C) | 37°F(3°C) | 2.0 in(50 mm) | 2.7 in(68 mm) |
| Apr | 61°F(16°C) | 59°F(15°C) | 42°F(6°C) | 42°F(6°C) | 1.7 in(42 mm) | 2.0 in(50 mm) |
| May | 69°F(20°C) | 65°F(19°C) | 49°F(9°C) | 48°F(9°C) | 2.4 in(62 mm) | 2.4 in(60 mm) |
| Jun | 75°F(24°C) | 71°F(22°C) | 54°F(12°C) | 53°F(12°C) | 2.8 in(70 mm) | 2.9 in(74 mm) |
| Jul | 78°F(26°C) | 74°F(23°C) | 58°F(14°C) | 57°F(14°C) | 3.3 in(83 mm) | 3.5 in(90 mm) |
| Aug | 77°F(25°C) | 74°F(23°C) | 57°F(14°C) | 57°F(14°C) | 2.9 in(74 mm) | 3.1 in(80 mm) |
| Sep | 69°F(21°C) | 67°F(19°C) | 51°F(11°C) | 52°F(11°C) | 2.3 in(58 mm) | 3.0 in(75 mm) |
| Oct | 60°F(16°C) | 59°F(15°C) | 45°F(7°C) | 46°F(8°C) | 2.3 in(59 mm) | 2.7 in(69 mm) |
| Nov | 51°F(10°C) | 49°F(10°C) | 40°F(4°C) | 40°F(4°C) | 2.2 in(57 mm) | 2.8 in(71 mm) |
| Dec | 45°F(7°C) | 44°F(6°C) | 35°F(2°C) | 35°F(2°C) | 2.5 in(64 mm) | 3.5 in(89 mm) |
1991–2020 averages, by calendar month.