Auckland and Cologne have similar daytime temperatures, Auckland has 9.5°C (17.1°F) warmer nights, Auckland gets 244 mm (9.6 in) more rain a year.
Auckland is at its warmest in January and coolest in July, while Cologne peaks in August and bottoms out in January. Month for month, Auckland is the warmer of the two in 8 of 12 months.
Auckland is the wetter of the two, collecting 1,066 mm (42 in) of rain a year against 822 mm (32.4 in) in Cologne. The most comfortable time to visit is January, February and March in Auckland and June, July and August in Cologne.
| Auckland | Metric | Cologne |
|---|---|---|
| 🌡️ Temperature | ||
| 21.3°C | 🌡️Average daytime high | 21.1°C |
| 9.5°C | 🌙Average nighttime low | 0°C |
| January | 🔥Hottest month | August |
| July | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 1,066 mm | 🌧️Annual rainfall | 822 mm |
| July | ☔Wettest month | December |
| February | 🏜️Driest month | April |
| 💨 Climate | ||
| 79% | 💧Average humidity | 82% |
| 4.6 m/s | 💨Average wind speed | 3 m/s |
Overnight, Auckland typically falls to around 9.5°C (49.1°F) while Cologne settles near 0°C (32°F).
Auckland is hottest in January and coldest in July, whereas Cologne peaks in August and is coolest in January.
Auckland sees the most rain in July and the least in February; Cologne is wettest in December and driest in April.
Cologne feels the more humid of the two, averaging 82% relative humidity against 79%.
For Cologne, the pick of the year is June, July and August.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Auckland | Cologne | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 13.5 | 19.8 | 26.1 | -8.2 | 1.1❄️ | 10.5 |
| February | 14.4 | 20.2🔥 | 26 | -7.4 | 2.2 | 11.9 |
| March | 12.6 | 18.7 | 24.7 | -4 | 6.5 | 16.9 |
| April | 10.5 | 16.6 | 22.8 | -2.2 | 9.6 | 21.4 |
| May | 8.1 | 14 | 19.9 | 2.1 | 13.7 | 25.2 |
| June | 6.2 | 11.9 | 17.7 | 6.1 | 17.7 | 29.2 |
| July | 5.3 | 10.8❄️ | 16.3 | 8.9 | 20.2🔥 | 31.6 |
| August | 5.7 | 11.1 | 16.5 | 8.6 | 20.1 | 31.7 |
| September | 6.9 | 12.5 | 18.2 | 5.4 | 16.2 | 27 |
| October | 8.2 | 14.1 | 20.1 | 0.6 | 11.2 | 21.7 |
| November | 10.4 | 16.4 | 22.3 | -3.2 | 6.1 | 15.3 |
| December | 12.2 | 18.3 | 24.5 | -6.8 | 2.2 | 11.2 |
| Annual Avg | 9.5 | 15.4 | 21.3 | 0 | 10.6 | 21.1 |
Min / mean / max temperature (°C). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Auckland and Cologne feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Auckland Cologne
See how Auckland and Cologne stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Auckland and Cologne — each drawn straight from the climate figures above.
Auckland and Cologne are about equally warm. Daytime highs average 21.3°C (70.3°F) in Auckland and 21.1°C (70°F) in Cologne, so neither is clearly the warmer choice over the year. Nights are milder in Auckland, with average lows of 9.5°C (49.1°F) versus 0°C (32°F).
Auckland is hottest in January, averaging highs of about 26.1°C (78.9°F), while Cologne peaks in August at around 31.7°C (89°F). That makes Cologne the hotter of the two at the height of summer.
Cologne gets colder. In its coldest month (January) overnight lows average about -8.2°C (17.2°F), compared with 5.3°C (41.6°F) at the low point of the year in Auckland.
Auckland is the wetter city, collecting about 1,066 mm (42 in) of rain a year versus 822 mm (32.4 in) in Cologne. Auckland is wettest in July and driest in February; Cologne is wettest in December and driest in April.
Cologne is the more humid of the two, averaging 82% relative humidity over the year against 79% in Auckland.
The most comfortable months in Auckland are January, February and March, when average temperatures are at their mildest.
Cologne is at its most pleasant around June, July and August, based on the mildest average temperatures of the year.
Auckland is the warmer city in 8 of the 12 months of the year. The gap is widest in January, about 18.7°C (33.7°F), and narrowest in May, about 0.3°C (0.5°F).
Cologne has the bigger seasonal swing, about 19.1°C (34.4°F) between its coldest and hottest months versus 9.4°C (16.9°F) in Auckland — so Auckland has the steadier, more even climate.
It depends what matters most to you: pick Cologne if you prefer drier conditions and go for Auckland if you want lower humidity. There is no single "better" climate — it comes down to whether you value warmth, dryness or comfort most.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Auckland and Cologne, not a single year's weather or a short-range forecast.
