Quick answer: Iceland is cool year-round. Summer (June–August) is mild (10–15°C) with the midnight sun; winter is cold, snowy and best for the Northern Lights.
Planning a trip to Iceland? Here’s the weather month by month, plus the best time to visit.
Iceland weather by month
| Month | Avg temp | What to expect |
|---|---|---|
| Jan | -2–3°C | Cold, dark, auroras; snow. |
| Feb | -2–3°C | Cold; great for Northern Lights. |
| Mar | -1–4°C | Late winter; auroras. |
| Apr | 1–7°C | Spring; days lengthen. |
| May | 4–10°C | Mild, green, fewer crowds. |
| Jun | 8–13°C | Midnight sun; peak begins. |
| Jul | 9–15°C | Warmest, busiest. |
| Aug | 8–14°C | Mild; great for touring. |
| Sep | 5–11°C | Auroras return; quieter. |
| Oct | 2–7°C | Cool; Northern Lights. |
| Nov | -1–4°C | Cold, dark, auroras. |
| Dec | -2–3°C | Cold, festive, auroras. |
The best time to visit Iceland
June–August for hiking, the Ring Road and long days; September–March for the Northern Lights and ice caves.
Related guides
You Might Also Love
Written by
John Morrison is the founder and lead travel writer at Packzup. Over the past decade he has explored destinations across Africa, the Americas, Asia, Europe, the Middle East, and Oceania — always self-funded, never on a press trip.