Christchurch is 2.7°C (4.9°F) warmer by day, Christchurch gets 183 mm (7.2 in) more rain a year.
Christchurch is at its warmest in January and coolest in July, while London peaks in July and bottoms out in February. Month for month, Christchurch is the warmer of the two in 6 of 12 months.
Christchurch is the wetter of the two, collecting 888 mm (35 in) of rain a year against 705 mm (27.8 in) in London. The most comfortable time to visit is January, February and December in Christchurch and June, July and August in London.
| Christchurch | Metric | London |
|---|---|---|
| 🌡️ Temperature | ||
| 17°C | 🌡️Average daytime high | 14.3°C |
| 6.9°C | 🌙Average nighttime low | 6.2°C |
| January | 🔥Hottest month | July |
| July | ❄️Coldest month | February |
| 🌧️ Rain | ||
| 888 mm | 🌧️Annual rainfall | 705 mm |
| July | ☔Wettest month | October |
| February | 🏜️Driest month | April |
| 💨 Climate | ||
| 78% | 💧Average humidity | 85% |
| 2.8 m/s | 💨Average wind speed | 3.4 m/s |
Overnight, Christchurch typically falls to around 6.9°C (44.4°F) while London settles near 6.2°C (43.2°F).
Christchurch is hottest in January and coldest in July, whereas London peaks in July and is coolest in February.
Christchurch sees the most rain in July and the least in February; London is wettest in October and driest in April.
London feels the more humid of the two, averaging 85% relative humidity against 78%.
For London, 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 | Christchurch | London | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 11.5 | 17.6🔥 | 23.8 | 1.3 | 4❄️ | 6.7 |
| February | 11.6 | 17.6 | 23.6 | 1.2 | 4.4 | 7.5 |
| March | 9.9 | 15.5 | 21.2 | 2.5 | 6.5 | 10.4 |
| April | 7.5 | 12.6 | 17.7 | 4 | 8.7 | 13.3 |
| May | 5.2 | 9.6 | 14 | 7.1 | 11.9 | 16.7 |
| June | 3.2 | 7 | 10.8 | 10 | 14.9 | 19.9 |
| July | 2.5 | 6.3❄️ | 10.1 | 12.3 | 17.4🔥 | 22.4 |
| August | 3.1 | 7.4 | 11.6 | 12.3 | 17.3 | 22.4 |
| September | 4.2 | 9.1 | 14.1 | 10.1 | 14.8 | 19.5 |
| October | 5.9 | 11.1 | 16.4 | 7.5 | 11.3 | 15.1 |
| November | 7.8 | 13.3 | 18.8 | 4.3 | 7.2 | 10.2 |
| December | 10.1 | 15.8 | 21.5 | 2.4 | 4.9 | 7.3 |
| Annual Avg | 6.9 | 11.9 | 17 | 6.3 | 10.3 | 14.3 |
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 Christchurch and London feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Christchurch London
See how Christchurch and London 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 Christchurch and London — each drawn straight from the climate figures above.
Christchurch is the warmer of the two. It averages daytime highs of 17°C (62.6°F) against 14.3°C (57.7°F) in London — roughly 2.7°C (4.9°F) warmer by day. Nights are milder in Christchurch, with average lows of 6.9°C (44.4°F) versus 6.2°C (43.2°F).
Christchurch is hottest in January, averaging highs of about 23.8°C (74.8°F), while London peaks in July at around 22.4°C (72.4°F). That makes Christchurch the hotter of the two at the height of summer.
London gets colder. In its coldest month (February) overnight lows average about 1.2°C (34.2°F), compared with 2.5°C (36.4°F) at the low point of the year in Christchurch.
Christchurch is the wetter city, collecting about 888 mm (35 in) of rain a year versus 705 mm (27.8 in) in London. Christchurch is wettest in July and driest in February; London is wettest in October and driest in April.
London is the more humid of the two, averaging 85% relative humidity over the year against 78% in Christchurch.
The most comfortable months in Christchurch are January, February and December, when average temperatures are at their mildest.
London is at its most pleasant around June, July and August, based on the mildest average temperatures of the year.
Christchurch is the warmer city in 6 of the 12 months of the year. The gap is widest in January, about 13.6°C (24.5°F), and narrowest in October, about 0.2°C (0.4°F).
London has the bigger seasonal swing, about 13.4°C (24.1°F) between its coldest and hottest months versus 11.3°C (20.3°F) in Christchurch — so Christchurch has the steadier, more even climate.
It depends what matters most to you: choose Christchurch for warmer weather, pick London if you prefer drier conditions and go for Christchurch 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 Christchurch and London, not a single year's weather or a short-range forecast.
