Weather in Iceland in October

The mildest October conditions tend to be found in the southwest and on sheltered coasts, where the Gulf Stream moderates temperatures.

• Reykjavik: Reykjavik is the warmest and most convenient October base, with temperatures typically holding in the cool mid range and far milder than the interior highlands. The compact capital keeps you within walking distance of museums, the harbour and restaurants, so a wet or windy afternoon is easy to absorb. Expect frequent rain and shorter days, but the city gives you the most shelter and the simplest logistics for the month. We consider it the sensible first choice for a balanced October trip. It is exactly the brief our Reykjavik holidays deals are built around.
• Reykjanes Peninsula: The Reykjanes Peninsula sits just a short drive from the international airport and enjoys the same moderating maritime air as the capital, making it a practical stop on arrival or departure. The Blue Lagoon lies here in a lava field, and its geothermal water stays warm whatever the sky is doing. Winds across the open lava can be strong, so plan outdoor walks for calmer spells. It is a strong pick if you want warm water and easy airport access in the same visit. Iceland Family Holidays suit this area well.
• Vik: Vik on the south coast is one of the wettest places in the country, which means October rainfall is heavy, though the air stays relatively mild for the latitude. The village sits along the Ring Road on a longer loop, so it works well as an overnight stop. Coastal walks are rewarding between showers, and the dramatic basalt sea stacks look their best under moody skies. We would book here for scenery rather than for dry, settled weather.
• Stykkisholmur: Stykkisholmur is a small harbour settlement in western Iceland, set in a sheltered position with a quieter autumn pace than the busier southern routes. Its ferry link across the wide western bay makes it a useful base if you want calm water and gentle coastal days. October brings cooler air here but fewer extremes than the highlands, and the harbour remains open to visitors throughout the month. Expect fewer services in the evenings, which suits travellers seeking a slower trip.
• Seydisfjordur: Seydisfjordur in East Iceland is sheltered by surrounding mountains, which can soften some of the wind that sweeps the open coast. The colourful wooden houses and the Smyril Line ferry connection to Denmark make it a distinctive arrival point for travellers coming by sea. October temperatures are cool but rarely severe in the settlement itself, though mountain roads can close with weather. We recommend it for those who value a remote, creative atmosphere over guaranteed sunshine.