Oslo · June · relief from the heat

Coolest places to go from Oslo in June

In June, the coolest well-known place within 15 hours of Oslo is Reykjavik, Iceland, 7.6 °C cooler than Oslo and 7.9 h sun a day, about 5h 48m each way by air. Without flying, it is Bodø, Norway, 3.9 °C cooler than Oslo, about 13h 36m each way by train, for about 18× less carbon (24.7 kg CO₂e return against 439 kg).

The 10 coolest places within 15 hours of Oslo

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, Iceland7.6 °C cooler · 7.9 h sun a day · 4.4 mm rain a day · sea 9.1 °Cair ≈ 5h 48m · 439 kg CO₂e return
Tromsø, Norway4.2 °C cooler · 11.8 h sun a day · 3.0 mm rain a dayair ≈ 5h · 289 kg CO₂e return
Bodø, Norway3.9 °C cooler · 11.1 h sun a day · 4.8 mm rain a day · sea 10.2 °Crail ≈ 13h 36m · 24.7 kg CO₂e return
Buxton, United Kingdom3.6 °C cooler · 11.6 h sun a day · 2.2 mm rain a dayair ≈ 4h 54m · 269 kg CO₂e return
Aberdeen, United Kingdom3.4 °C cooler · 12.5 h sun a day · 2.2 mm rain a day · sea 11.3 °Cair ≈ 4h 36m · 203 kg CO₂e return
Dundee, United Kingdom3.3 °C cooler · 11.4 h sun a day · 1.9 mm rain a day · sea 12.5 °Cair ≈ 4h 42m · 224 kg CO₂e return
Bergen, Norway3.3 °C cooler · 11.9 h sun a day · 4.4 mm rain a day · sea 12.0 °Crail ≈ 5h 54m · 9.0 kg CO₂e return
Östersund, Sweden2.7 °C cooler · 13.8 h sun a day · 3.0 mm rain a dayrail ≈ 8h · 12.3 kg CO₂e return
Douglas, Isle of Man2.6 °C cooler · 12.5 h sun a day · 2.2 mm rain a day · sea 13.0 °Cair ≈ 5h · 281 kg CO₂e return
Sligo, Ireland2.4 °C cooler · 10.4 h sun a day · 4.0 mm rain a day · sea 14.9 °Cair ≈ 5h 18m · 330 kg CO₂e return

Without flying

The coolest places the train reaches within 15 hours. Bodø is 3.9 °C cooler for 24.7 kg — about 18× less carbon than flying to Reykjavik.

Bodø, Norway3.9 °C cooler · 11.1 h sun a day · 4.8 mm rain a day · sea 10.2 °Crail ≈ 13h 36m · 24.7 kg CO₂e return
Bergen, Norway3.3 °C cooler · 11.9 h sun a day · 4.4 mm rain a day · sea 12.0 °Crail ≈ 5h 54m · 9.0 kg CO₂e return
Ålesund, Norway3.3 °C cooler · 11.4 h sun a day · 3.2 mm rain a day · sea 11.3 °Crail ≈ 6h 54m · 11.1 kg CO₂e return
Haugesund, Norway3.1 °C cooler · 13.5 h sun a day · 4.9 mm rain a day · sea 12.2 °Crail ≈ 6h · 9.2 kg CO₂e return
Östersund, Sweden2.7 °C cooler · 13.8 h sun a day · 3.0 mm rain a dayrail ≈ 8h · 12.3 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 Oslo in June within 15 hours is Reykjavik, 7.6 °C cooler, costing 439 kg CO₂e return. The lowest-carbon option is Bergen at 9.0 kg — 49× less carbon, for 4.3 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 Oslo. Pick one to compare.

By rail or ferry By air

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

What the 15-hour limit costs: at this budget Harstad can only be reached by air — 258 kg CO₂e, in 4h 54m. Allow up to 24 hours and the train does the same journey for 30.3 kg in 16h 18m — 9× less carbon for 11h 24m more travelling.

June from Oslo — 4 destinations on the frontier, 2 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Bergen, Norway	Rail	9.0 kg	13.2 °C	11.9 h	4.4 mm	5h 54m
Kristiansund, Norway	Rail	11.5 kg	12.6 °C	11.3 h	3.6 mm	7h 6m
Harstad, Norway	Air	258 kg	11.6 °C	11.9 h	2.1 mm	4h 54m
Reykjavik, Iceland	Air	439 kg	8.9 °C	7.9 h	4.4 mm	5h 48m

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 Kristiansund (11.5 kg, 3.9 °C cooler) to Harstad (258 kg, 4.9 °C cooler) buys 1.0 °C more relief from the heat for an extra 246 kg — 246 kg of CO₂e per degree. That single step is the most expensive relief from the heat on the whole curve.

The pick of them

BergenNorway9.0 kg CO₂e return13.2 °C · 11.9 h sun · 5h 54m by railmild and bright

KristiansundNorway11.5 kg CO₂e return12.6 °C · 11.3 h sun · 7h 6m by railmild and bright

ReykjavikIceland439 kg CO₂e return8.9 °C · 7.9 h sun · 5h 48m 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 Oslo

June from elsewhere

Photo credits

Bergen: W. Bulach, CC BY-SA 4.0, via Wikimedia Commons
Kristiansund: Harald Oppedal, CC BY 3.0, 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
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
Ålesund: Holger Uwe Schmitt, CC BY-SA 4.0, via Wikimedia Commons
Haugesund: Efarestv, CC BY-SA 3.0, via Wikimedia Commons

Questions

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

Reykjavik, Iceland, at 7.6 °C cooler. Reaching it emits 439 kg CO₂e return, travelling 5h 48m each way by air (modelled).

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

Yes. Kristiansund reaches 3.9 °C cooler and is reachable by rail or ferry in 7h 6m (modelled), emitting 11.5 kg CO₂e return — though Reykjavik is cooler still, if you fly.

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

439 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.