Austin is 12.5°C (22.5°F) warmer by day, Austin has 8°C (14.4°F) warmer nights, Austin gets 133 mm (5.2 in) more rain a year.
Austin is at its warmest in August and coolest in January, while London peaks in July and bottoms out in February. Month for month, Austin is the warmer of the two in 12 of 12 months.
Austin is the wetter of the two, collecting 838 mm (33 in) of rain a year against 705 mm (27.8 in) in London. The most comfortable time to visit is April, May and October in Austin and June, July and August in London.
| Austin | Metric | London |
|---|---|---|
| 🌡️ Temperature | ||
| 26.8°C | 🌡️Average daytime high | 14.3°C |
| 14.2°C | 🌙Average nighttime low | 6.2°C |
| August | 🔥Hottest month | July |
| January | ❄️Coldest month | February |
| 🌧️ Rain | ||
| 838 mm | 🌧️Annual rainfall | 705 mm |
| May | ☔Wettest month | October |
| February | 🏜️Driest month | April |
| 💨 Climate | ||
| 68% | 💧Average humidity | 85% |
| 2.9 m/s | 💨Average wind speed | 3.4 m/s |
Overnight, Austin typically falls to around 14.2°C (57.6°F) while London settles near 6.2°C (43.2°F).
Austin is hottest in August and coldest in January, whereas London peaks in July and is coolest in February.
Austin 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 68%.
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 | Austin | London | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 3.4 | 9.6❄️ | 15.9 | 1.3 | 4❄️ | 6.7 |
| February | 5.4 | 11.9 | 18.3 | 1.2 | 4.4 | 7.5 |
| March | 9.4 | 16.1 | 22.8 | 2.5 | 6.5 | 10.4 |
| April | 13.6 | 20.5 | 27.3 | 4 | 8.7 | 13.3 |
| May | 18.5 | 24.6 | 30.7 | 7.1 | 11.9 | 16.7 |
| June | 22.3 | 28.2 | 34.1 | 10 | 14.9 | 19.9 |
| July | 23.7 | 29.8 | 35.9 | 12.3 | 17.4🔥 | 22.4 |
| August | 24.1 | 30.4🔥 | 36.6 | 12.3 | 17.3 | 22.4 |
| September | 20.8 | 26.9 | 33 | 10.1 | 14.8 | 19.5 |
| October | 15.2 | 21.7 | 28.2 | 7.5 | 11.3 | 15.1 |
| November | 9.2 | 15.5 | 21.7 | 4.3 | 7.2 | 10.2 |
| December | 4.8 | 10.9 | 17 | 2.4 | 4.9 | 7.3 |
| Annual Avg | 14.2 | 20.5 | 26.8 | 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 Austin and London feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Austin London
See how Austin 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 Austin and London — each drawn straight from the climate figures above.
Austin is the warmer of the two. It averages daytime highs of 26.8°C (80.2°F) against 14.3°C (57.7°F) in London — roughly 12.5°C (22.5°F) warmer by day. Nights are milder in Austin, with average lows of 14.2°C (57.6°F) versus 6.2°C (43.2°F).
Austin is hottest in August, averaging highs of about 36.6°C (98°F), while London peaks in July at around 22.4°C (72.4°F). That makes Austin 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 3.4°C (38.1°F) at the low point of the year in Austin.
Austin is the wetter city, collecting about 838 mm (33 in) of rain a year versus 705 mm (27.8 in) in London. Austin 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 68% in Austin.
The most comfortable months in Austin are April, May and October, 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.
Austin is the warmer city in all 12 months of the year. The gap is widest in June, about 13.3°C (23.9°F), and narrowest in January, about 5.6°C (10.1°F).
Austin has the bigger seasonal swing, about 20.8°C (37.4°F) between its coldest and hottest months versus 13.4°C (24.1°F) in London — so London has the steadier, more even climate.
It depends what matters most to you: choose Austin for warmer weather, pick London if you prefer drier conditions and go for Austin 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 Austin and London, not a single year's weather or a short-range forecast.
