Vienna · June · relief from the heat

Coolest places to go from Vienna in June

In June, the coolest well-known place within 15 hours of Vienna is Reykjavik, Iceland, 11.1 °C cooler than Vienna and 7.9 h sun a day, about 7h 18m each way by air. Without flying, it is Zakopane, Poland, 4.8 °C cooler than Vienna, about 6h 12m each way by train, for about 85× less carbon (8.5 kg CO₂e return against 726 kg).

The 10 coolest places within 15 hours of Vienna

Ranked on relief from the heat in June alone, among well-known places (a Wikivoyage travel guide and at least 40,000 Wikipedia readers a year), one per area and at most three per country. The carbon is shown, not used to choose: the list further down is the other question, how much relief from the heat each extra kilogram buys.

Reykjavik, Iceland11.1 °C cooler · 7.9 h sun a day · 4.4 mm rain a day · sea 9.1 °Cair ≈ 7h 18m · 726 kg CO₂e return
Tromsø, Norway7.7 °C cooler · 11.8 h sun a day · 3.0 mm rain a dayair ≈ 6h 42m · 601 kg CO₂e return
Bodø, Norway7.4 °C cooler · 11.1 h sun a day · 4.8 mm rain a day · sea 10.2 °Cair ≈ 6h 18m · 534 kg CO₂e return
Buxton, United Kingdom7.1 °C cooler · 11.6 h sun a day · 2.2 mm rain a dayair ≈ 5h 24m · 352 kg CO₂e return
Aberdeen, United Kingdom6.9 °C cooler · 12.5 h sun a day · 2.2 mm rain a day · sea 11.3 °Cair ≈ 5h 36m · 399 kg CO₂e return
Dundee, United Kingdom6.8 °C cooler · 11.4 h sun a day · 1.9 mm rain a day · sea 12.5 °Cair ≈ 5h 36m · 401 kg CO₂e return
Bergen, Norway6.8 °C cooler · 11.9 h sun a day · 4.4 mm rain a day · sea 12.0 °Cair ≈ 5h 30m · 384 kg CO₂e return
Östersund, Sweden6.2 °C cooler · 13.8 h sun a day · 3.0 mm rain a dayair ≈ 5h 42m · 420 kg CO₂e return
Douglas, Isle of Man6.1 °C cooler · 12.5 h sun a day · 2.2 mm rain a day · sea 13.0 °Cair ≈ 5h 36m · 400 kg CO₂e return
Sligo, Ireland5.9 °C cooler · 10.4 h sun a day · 4.0 mm rain a day · sea 14.9 °Cair ≈ 6h · 464 kg CO₂e return

Without flying

The coolest places the train reaches within 15 hours. Zakopane is 4.8 °C cooler for 8.5 kg — about 85× less carbon than flying to Reykjavik.

Zakopane, Poland4.8 °C cooler · 11.1 h sun a day · 4.6 mm rain a dayrail ≈ 6h 12m · 8.5 kg CO₂e return
La Chaux-de-Fonds, Switzerland4.2 °C cooler · 11.6 h sun a day · 4.9 mm rain a dayrail ≈ 11h 54m · 21.4 kg CO₂e return
Flensburg, Germany4.2 °C cooler · 13.0 h sun a day · 2.2 mm rain a dayrail ≈ 14h 42m · 25.8 kg CO₂e return
Odense, Denmark4.0 °C cooler · 13.5 h sun a day · 2.0 mm rain a dayrail ≈ 15h · 26.5 kg CO₂e return
Copenhagen, Denmark3.8 °C cooler · 13.6 h sun a day · 1.4 mm rain a day · sea 15.4 °Crail ≈ 14h 36m · 25.7 kg CO₂e return
Groningen, The Netherlands3.8 °C cooler · 12.4 h sun a day · 2.3 mm rain a dayrail ≈ 14h 48m · 26.1 kg CO₂e return

≈ is the model's estimate (air times include getting to and through the airport); ✓ is a rail journey checked against a real timetable, with the date it was checked. Temperatures are historical daily means for 2023–2024, averaged across day and night, so afternoons run warmer.

The low-carbon trade-off

The coolest place you can reach from Vienna in June within 15 hours is Reykjavik, 11.1 °C cooler, costing 726 kg CO₂e return. The lowest-carbon option is Zdar at 4.5 kg — 161× less carbon, for 7.7 degrees less relief from the heat.

Every destination here is on the efficiency frontier: nowhere else this site covers is both cooler in June and lower in carbon. Anything a better option beats outright has been left out.

Where they are. Solid lines are rail or ferry, dashed are flights, from Vienna. Pick one to compare.

By rail or ferry By air

Carbon against relief from the heat, June, departing Vienna. Journeys of up to 15 hours each way.

What the 15-hour limit costs: at this budget Stavanger can only be reached by air — 348 kg CO₂e, in 5h 18m. Allow up to 24 hours and the train does the same journey for 40.8 kg in 22h — 9× less carbon for 16h 42m more travelling.

June from Vienna — 6 destinations on the frontier, 2 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Zdar, Czechia	Rail	4.5 kg	16.6 °C	12.5 h	2.3 mm	4h 18m
Zakopane, Poland	Rail	8.5 kg	15.2 °C	11.1 h	4.6 mm	6h 12m
Stavanger, Norway	Air	348 kg	13.7 °C	13.7 h	4.1 mm	5h 18m
Buxton, United Kingdom	Air	352 kg	12.9 °C	11.6 h	2.2 mm	5h 24m
Harstad, Norway	Air	576 kg	11.6 °C	11.9 h	2.1 mm	6h 36m
Reykjavik, Iceland	Air	726 kg	8.9 °C	7.9 h	4.4 mm	7h 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.

Where the curve breaks

The frontier is gentle until it isn't. Going from Zakopane (8.5 kg, 4.8 °C cooler) to Stavanger (348 kg, 6.3 °C cooler) buys 1.5 °C more relief from the heat for an extra 340 kg — 226 kg of CO₂e per degree. That single step is the most expensive relief from the heat on the whole curve.

The pick of them

ZdarCzechia4.5 kg CO₂e return16.6 °C · 12.5 h sun · 4h 18m by railwarm overall

ZakopanePoland8.5 kg CO₂e return15.2 °C · 11.1 h sun · 6h 12m by railwarm but wet

ReykjavikIceland726 kg CO₂e return8.9 °C · 7.9 h sun · 7h 18m by aircold but bright

The same month, asked differently

June answers differently depending on what you are after, and the lists genuinely diverge: the brightest places are not the hottest, and in summer the useful question stops being where is warm at all.

Where to stay in Reykjavik

Places to stay in Reykjavik, Iceland, on a live map. Prices and availability come from Stay22 and its booking partners.

Search places to stay in Reykjavik →Opens the booking search in a new tab. Same partners as the map below.

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 Vienna

June from elsewhere

Photo credits

Zdar: Herbert Frank from Wien (Vienna), AT, CC BY 2.0, via Wikimedia Commons
Zakopane: Maksym Kozlenko, CC BY-SA 4.0, via Wikimedia Commons
Reykjavik: Hedwig Storch, CC BY-SA 3.0, via Wikimedia Commons
Tromsø: Diego Delso, CC BY-SA 4.0, via Wikimedia Commons
Bodø: Røed 20:41, 24 July 2006 (UTC), CC BY-SA 2.5, via Wikimedia Commons
Buxton: Andrew Hill, CC BY-SA 2.0, via Wikimedia Commons
Aberdeen: Ragazzi00, CC BY-SA 3.0, via Wikimedia Commons
Dundee: File:442 dundee header.png (Tay Bridge and RSS Discovery images):- Original: PlutosAcademy File:V&A Dundee Near Completi, CC BY-SA 4.0, via Wikimedia Commons
Bergen: W. Bulach, CC BY-SA 4.0, via Wikimedia Commons
Östersund: Lars Falkdalen Lindahl (User:Njaelkies Lea), CC BY-SA 3.0, via Wikimedia Commons
Douglas: Jim Linwood, CC BY 2.0, via Wikimedia Commons
Sligo: Gerd Eichmann, CC BY-SA 4.0, via Wikimedia Commons
Odense: Emelie Graven, CC BY-SA 4.0, via Wikimedia Commons
Copenhagen: Pudelek, CC BY-SA 4.0, via Wikimedia Commons
Groningen: Braun & Hogenberg, Public domain, via Wikimedia Commons

Questions

Where is the coolest place to go from Vienna in June?

Reykjavik, Iceland, at 11.1 °C cooler. Reaching it emits 726 kg CO₂e return, travelling 7h 18m each way by air (modelled).

Can I get somewhere cool from Vienna in June without flying?

Yes. Zakopane reaches 4.8 °C cooler and is reachable by rail or ferry in 6h 12m (modelled), emitting 8.5 kg CO₂e return — though Reykjavik is cooler still, if you fly.

How much carbon does a return trip from Vienna to Reykjavik produce?

726 kg CO₂e for one person, return, by air. 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.