Frankfurt is 0.5°C (0.9°F) warmer by day, and both get similar annual rainfall.
Frankfurt is at its warmest in August and coolest in January, while London peaks in July and bottoms out in February. Month for month, Frankfurt is the warmer of the two in 6 of 12 months.
Both collect a similar amount of rain over the year — 683 mm (26.9 in) in Frankfurt and 705 mm (27.8 in) in London. The most comfortable time to visit is June, July and August in Frankfurt and June, July and August in London.
| Frankfurt | Metric | London |
|---|---|---|
| 🌡️ Temperature | ||
| 14.8°C | 🌡️Average daytime high | 14.3°C |
| 5.4°C | 🌙Average nighttime low | 6.2°C |
| August | 🔥Hottest month | July |
| January | ❄️Coldest month | February |
| 🌧️ Rain | ||
| 683 mm | 🌧️Annual rainfall | 705 mm |
| May | ☔Wettest month | October |
| February | 🏜️Driest month | April |
| 💨 Climate | ||
| 79% | 💧Average humidity | 85% |
| 2.5 m/s | 💨Average wind speed | 3.4 m/s |
Overnight, Frankfurt typically falls to around 5.4°C (41.7°F) while London settles near 6.2°C (43.2°F).
Frankfurt is hottest in August and coldest in January, whereas London peaks in July and is coolest in February.
Frankfurt sees the most rain in May 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 79%.
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 | Frankfurt | London | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -2.6 | 0.3❄️ | 3.2 | 1.3 | 4❄️ | 6.7 |
| February | -2.1 | 1.5 | 5.2 | 1.2 | 4.4 | 7.5 |
| March | 0.6 | 5.3 | 10 | 2.5 | 6.5 | 10.4 |
| April | 3.7 | 9.1 | 14.6 | 4 | 8.7 | 13.3 |
| May | 8.3 | 13.8 | 19.2 | 7.1 | 11.9 | 16.7 |
| June | 12 | 17.7 | 23.3 | 10 | 14.9 | 19.9 |
| July | 14.2 | 20.2🔥 | 26.1 | 12.3 | 17.4🔥 | 22.4 |
| August | 14.1 | 20.1 | 26.1 | 12.3 | 17.3 | 22.4 |
| September | 10.1 | 15.8 | 21.6 | 10.1 | 14.8 | 19.5 |
| October | 6 | 10.7 | 15.4 | 7.5 | 11.3 | 15.1 |
| November | 1.6 | 4.9 | 8.2 | 4.3 | 7.2 | 10.2 |
| December | -1.3 | 1.4 | 4 | 2.4 | 4.9 | 7.3 |
| Annual Avg | 5.4 | 10.1 | 14.7 | 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 Frankfurt and London feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Frankfurt London
See how Frankfurt 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 Frankfurt and London — each drawn straight from the climate figures above.
Frankfurt is the warmer of the two. It averages daytime highs of 14.8°C (58.6°F) against 14.3°C (57.7°F) in London — roughly 0.5°C (0.9°F) warmer by day. Nights are milder in London, with average lows of 6.2°C (43.2°F) versus 5.4°C (41.7°F).
Frankfurt is hottest in August, averaging highs of about 26.1°C (79°F), while London peaks in July at around 22.4°C (72.4°F). That makes Frankfurt the hotter of the two at the height of summer.
Frankfurt gets colder. In its coldest month (January) overnight lows average about -2.6°C (27.3°F), compared with 1.2°C (34.2°F) at the low point of the year in London.
They get a similar amount of rain over a year — about 683 mm (26.9 in) in Frankfurt and 705 mm (27.8 in) in London. Frankfurt is wettest in May 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 79% in Frankfurt.
The most comfortable months in Frankfurt are June, July and August, 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.
Frankfurt is the warmer city in 6 of the 12 months of the year. The gap is widest in January, about 3.7°C (6.7°F), and narrowest in April, about 0.4°C (0.7°F).
Frankfurt has the bigger seasonal swing, about 19.9°C (35.8°F) between its coldest and hottest months versus 13.4°C (24.1°F) in London — so London has the steadier, more even climate.
On climate alone, Frankfurt comes out ahead — it offers warmer days and lower humidity than London. London is the better fit only if you'd actually prefer cooler weather and a more humid climate.
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 Frankfurt and London, not a single year's weather or a short-range forecast.