Comfortable in summer, without flying
In July, 27 well-known places within 12 hours of London by train are comfortable by this page's rule — a daily mean of 17–23 °C, at least 8 hours of sun and little rain. The sunniest are Saint-Etienne (13.2 h), La Rochelle (12.5 h), Pamplona (12.5 h); by the sea, La Rochelle, with the water at 19.3 °C.
Warm, not hot: places whose historical (2023–2024) daily mean is 17–23 °C, with at least 8 hours of sun and under 2.5 mm of rain a day, within 12 hours by train from London. Sunniest first, one place per 40 km. ✓ is a journey checked against a timetable; ≈ is modelled.
June · 46 places fit
- ToulonFrance22.1 °C · 13.6 h sun · 1.6 mm rain · sea 21.1 °C≈ 9h 42m by train · 30.6 kg CO₂e return
- CannesFrance22.2 °C · 13.4 h sun · 2.1 mm rain · sea 21.9 °C≈ 11h 30m by train · 30.5 kg CO₂e return
- MarseilleFrance21.6 °C · 13.3 h sun · 1.3 mm rain · sea 21.0 °C≈ 8h 54m by train · 29.6 kg CO₂e return
- BayreuthGermany17.7 °C · 12.9 h sun · 2.4 mm rain≈ 11h 54m by train · 24.8 kg CO₂e return
- ArlesFrance22.5 °C · 12.8 h sun · 2.1 mm rain≈ 9h 30m by train · 27.8 kg CO₂e return
- RouenFrance17.3 °C · 12.7 h sun · 1.8 mm rain≈ 6h 54m by train · 7.3 kg CO₂e return
- BéziersFrance22.5 °C · 12.7 h sun · 1.7 mm rain≈ 10h 36m by train · 27.8 kg CO₂e return
- Frankfurt am MainGermany19.7 °C · 12.6 h sun · 1.7 mm rain≈ 8h 12m by train · 18.8 kg CO₂e return
July · 27 places fit
- Saint-EtienneFrance21.0 °C · 13.2 h sun · 1.5 mm rain≈ 9h by train · 22.2 kg CO₂e return
- La RochelleFrance19.8 °C · 12.5 h sun · 1.4 mm rain · sea 19.3 °C≈ 9h 36m by train · 17.7 kg CO₂e return
- PamplonaSpain20.7 °C · 12.5 h sun · mostly dry≈ 12h by train · 28.7 kg CO₂e return
- SchaffhausenSwitzerland19.7 °C · 12.3 h sun · 2.1 mm rain≈ 10h 24m by train · 22.4 kg CO₂e return
- VichyFrance20.7 °C · 12.3 h sun · 1.9 mm rain≈ 9h 54m by train · 19.3 kg CO₂e return
- BayreuthGermany19.3 °C · 12.3 h sun · 2.4 mm rain≈ 11h 54m by train · 24.8 kg CO₂e return
- TübingenGermany19.7 °C · 12.2 h sun · 2.3 mm rain≈ 10h by train · 21.7 kg CO₂e return
- MulhouseFrance20.7 °C · 12.2 h sun · 2.3 mm rain≈ 9h 36m by train · 20.1 kg CO₂e return
August · 49 places fit
- Saint-EtienneFrance21.8 °C · 12.2 h sun · mostly dry≈ 9h by train · 22.2 kg CO₂e return
- PamplonaSpain21.1 °C · 12.1 h sun · 1.6 mm rain≈ 12h by train · 28.7 kg CO₂e return
- La RochelleFrance20.5 °C · 12.0 h sun · 1.9 mm rain · sea 20.7 °C≈ 9h 36m by train · 17.7 kg CO₂e return
- GenevaSwitzerland22.5 °C · 11.8 h sun · 1.9 mm rain≈ 8h 54m by train · 22.1 kg CO₂e return
- VichyFrance21.2 °C · 11.8 h sun · 1.4 mm rain≈ 9h 54m by train · 19.3 kg CO₂e return
- ChambéryFrance22.9 °C · 11.8 h sun · 2.4 mm rain≈ 9h 30m by train · 23.5 kg CO₂e return
- MâconFrance22.6 °C · 11.7 h sun · 1.7 mm rain≈ 9h 6m by train · 20.1 kg CO₂e return
- DijonFrance20.5 °C · 11.6 h sun · 1.3 mm rain≈ 7h 24m by train · 17.6 kg CO₂e return
September · 25 places fit
- MarseilleFrance20.6 °C · 10.7 h sun · 2.2 mm rain · sea 22.9 °C≈ 8h 54m by train · 29.6 kg CO₂e return
- ToulonFrance21.3 °C · 10.6 h sun · 2.1 mm rain · sea 23.3 °C≈ 9h 42m by train · 30.6 kg CO₂e return
- NîmesFrance20.3 °C · 10.4 h sun · 2.3 mm rain≈ 8h 48m by train · 27.1 kg CO₂e return
- BéziersFrance20.1 °C · 10.2 h sun · 2.3 mm rain≈ 10h 36m by train · 27.8 kg CO₂e return
- PerpignanFrance21.3 °C · 10.1 h sun · mostly dry · sea 21.4 °C≈ 10h 48m by train · 29.7 kg CO₂e return
- BremenGermany17.0 °C · 9.9 h sun · 1.5 mm rain≈ 10h 54m by train · 18.7 kg CO₂e return
- CuxhavenGermany17.0 °C · 9.9 h sun · 2.2 mm rain · sea 18.1 °C≈ 11h 30m by train · 19.2 kg CO₂e return
- Saint-EtienneFrance17.5 °C · 9.8 h sun · 2.3 mm rain≈ 9h by train · 22.2 kg CO₂e return
Rather have the heat? The warmest places by train, month by month.
Questions
Where is warm but not too hot in July, by train from London?
Saint-Etienne, La Rochelle, Pamplona, Schaffhausen: daily means of 17–23 °C with 8+ hours of sun, all within 12 hours by train.
What does comfortable mean here?
A historical (2023–2024) daily mean between 17 and 23 °C — afternoons in the mid to high twenties — at least 8 hours of sunshine a day and under 2.5 mm of rain a day.
Climate: ERA5 reanalysis via Open-Meteo, 2023–2024; sea: NOAA OISST v2.1. Carbon: UK Government (DESNZ/DEFRA) 2026 international rail factor, return, one person. Method.