Sunniest places to go from Brussels in July
The sunniest place you can reach from Brussels in July within 15 hours is Aosta at 13.9 h, costing 18.0 kg CO₂e return. The lowest-carbon option is Arnhem at 4.9 kg — 4× less carbon for 2.5 h less.
Every destination here is on the efficiency frontier: nowhere else in Europe is both sunnier in July and lower in carbon. Anything a better option beats outright has been left out.
By rail or ferry By air
| Destination | How | CO₂e return | Temp | Sun/day | Rain/day | Journey |
|---|---|---|---|---|---|---|
| Arnhem, The Netherlands | Rail | 4.9 kg | 18.2 °C | 11.4 h | 3.6 mm | 4h 18m |
| Hoorn, The Netherlands | Rail | 6.1 kg | 17.5 °C | 11.7 h | 3.8 mm | 4h 48m |
| Mulhouse, France | Rail | 12.0 kg | 20.7 °C | 12.2 h | 2.3 mm | 7h 36m |
| Geneva, Switzerland | Rail | 15.7 kg | 21.6 °C | 13.0 h | 3.2 mm | 9h 18m |
| Chambéry, France | Rail | 17.7 kg | 22.7 °C | 13.3 h | 4.7 mm | 10h 12m |
| Aosta, Italy | Rail | 18.0 kg | 23.7 °C | 13.9 h | 2.3 mm | 10h 18m |
Warm is not the same as pleasant, which is why sunshine and rainfall are shown alongside temperature. All three are ERA5 monthly means for 2023–2024.
The pick of them
If you'd rather have heat than sunshine
July answers differently depending on what you're after. The warmest destinations from Brussels in July are a different list — hours of sunshine and degrees of warmth come apart, especially early and late in the year.
Where to stay in Aosta
Places to stay in Aosta, Italy, on a live map. Prices and availability come from Stay22 and its booking partners.
Affiliate disclosure. A booking made through this map may earn 0xCarbon a commission, at no extra cost to you. It changes nothing above it: the emissions figures come from UK Government conversion factors and are computed before anyone is paid anything.See the method.
Other months from Brussels
July from elsewhere
- Amsterdam
- Barcelona
- Berlin
- Birmingham
- Bristol
- Brussels
- Cardiff
- Copenhagen
- Dublin
- Edinburgh
- Frankfurt
- Glasgow
- Leeds
- Lisbon
- Liverpool
- London
- Madrid
- Manchester
- Milan
- Munich
- Newcastle
- Nottingham
- Oslo
- Paris
- Prague
- Rome
- Sheffield
- Southampton
- Stockholm
- Vienna
- Warsaw
- Zurich
Questions
Where is the sunniest place to go from Brussels in July?
Aosta, Italy, at 13.9 h. Reaching it emits 18.0 kg CO₂e return, travelling 10h 18m each way by rail.
Can I get somewhere sunny from Brussels in July without flying?
Yes. Aosta reaches 13.9 h and is reachable by rail or ferry in 10h 18m, emitting 18.0 kg CO₂e return — which is also the best on this frontier.
How much carbon does a return trip from Brussels to Aosta produce?
18.0 kg CO₂e for one person, return, by rail. That uses the UK Government's 2026 conversion factors, including radiative forcing for flights.
Carbon uses UK Government (DESNZ/DEFRA) 2026 conversion factors applied to great-circle distance, with radiative forcing included for flights. Rail journey times are modelled estimates, not timetabled services. Full method · download the data.