Iceland
Iceland · Europe
The best time to visit Iceland is May, June, July, August, and September. In summer, daytime highs average 14°C (57°F), with peaks around 19°C (66°F); in winter, nights average -1°C (30°F), dropping to around -8°C (18°F) on the coldest. During the best travel months, the sun shines up to 9 hours per day — ideal for sightseeing and outdoor activities.
Iceland – What you should know
Iceland is one of the world's most fascinating climate destinations — not for warmth, but for light and natural phenomena. Temperatures remain moderate year-round: typically 10–15°C (50–59°F) in Reykjavík in summer, rarely below -5°C (23°F) in winter. The Atlantic Current keeps Iceland warmer than its geographic position would suggest.
In summer (June–August) Iceland offers the midnight sun — 24 hours of daylight can be combined with hiking, glaciers and the Golden Circle. In winter (October–March) the Northern Lights are the highlight: clear nights with little light pollution provide spectacular Aurora Borealis displays. The probability of rain is high in Iceland and the weather changeable — multiple layers of clothing are a must.
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 3° (37°)-3– (27–)8 (46) | 4° (39°)-3– (27–)8 (46) | 4° (39°)-2– (28–)8 (46) | 7° (45°)0– (32–)11 (52) | 9° (48°)5– (41–)13 (55) | 12° (54°)8– (46–)15 (59) | 14° (57°)11– (52–)19 (66) | 13° (55°)10– (50–)17 (63) | 11° (52°)6– (43–)13 (55) | 7° (45°)2– (36–)11 (52) | 5° (41°)-1– (30–)9 (48) | 3° (37°)-4– (25–)8 (46) |
Ø night, range from coldest to warmest nightØ nightrange | -1° (30°)-8– (18–)4 (39) | 0° (32°)-7– (19–)5 (41) | 0° (32°)-7– (19–)5 (41) | 2° (36°)-4– (25–)7 (45) | 4° (39°)0– (32–)8 (46) | 8° (46°)4– (39–)10 (50) | 9° (48°)6– (43–)11 (52) | 9° (48°)5– (41–)11 (52) | 7° (45°)2– (36–)10 (50) | 3° (37°)-2– (28–)8 (46) | 1° (34°)-5– (23–)6 (43) | -1° (30°)-8– (18–)5 (41) |
☀️Sunshine | 1h UV 0 | 3h UV 1 | 5h UV 3 | 7h UV 4 | 9h UV 5 | 8h UV 5 | 8h UV 5 | 7h UV 4 | 5h UV 3 | 4h UV 2 | 2h UV 1 | 1h UV 0 |
🌊Water Temp | 5° (41°) | 5° (41°) | 5° (41°) | 6° (43°) | 8° (46°) | 10° (50°) | 12° (54°) | 12° (54°) | 11° (52°) | 9° (48°) | 7° (45°) | 6° (43°) |
🌧Rain Days | 14d106mm (4.2") | 12d91mm (3.6") | 12d91mm (3.6") | 10d79mm (3.1") | 10d70mm (2.8") | 7d52mm (2.1") | 8d57mm (2.2") | 9d80mm (3.1") | 14d124mm (4.9") | 14d120mm (4.7") | 12d98mm (3.8") | 13d100mm (3.9") |
Best travel timeØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
The travel year in Iceland
November – February
Darkness as the main event: barely 3°C (37°F), under four hours of daylight in December, and the strongest northern-lights season. The Ring Road usually stays passable while the highlands are closed. Reykjavík lives on swimming pools, wool and lit windows.
March – April
The crossover: still northern lights, but already long days, and from March the sunshine jumps to five or six hours. The waterfalls run with meltwater; the highland tracks remain shut.
May – August
The Icelandic summer: 9 to 14°C (48 to 57°F), but light almost around the clock. The F-roads into the highlands open in June, puffins nest on the cliffs, and the Ring Road is busy — Iceland takes most of its annual visitors in these weeks.
September – October
Autumn arrives fast: the northern lights are back from September, the tundra turns red, and at fourteen rain days a month it gets markedly wetter. The highland tracks close again and prices fall.
Events & Festivals
November
- Iceland Airwaves· varies (early November, 4 days)
One of Europe's best-known indie and alternative music festivals, held in Reykjavík since 1999. Icelandic newcomers play side by side with international acts in concert halls, bars and churches in the city centre. Regarded as the most important showcase for new Icelandic music.
Frequently Asked Questions
- When is the best time to visit Iceland?
- The best time to visit Iceland is May, June, July, August, and September. These months offer the most favourable combination of sunshine, temperatures, and low rainfall.
- How warm does it get in Iceland?
- In summer, daytime highs in Iceland average 14°C (57°F), with peaks around 19°C (66°F); in winter, nights average -1°C (30°F), dropping to around -8°C (18°F) on the coldest.
- How much rain does Iceland get?
- Iceland has a relatively even rainfall pattern with an average of 11 rain days per month. The driest months are May, June, and July.
- How warm is the water in Iceland?
- Water temperature in Iceland ranges from 5°C (41°F) (February) to 12°C (54°F) (August). That makes the sea cool for swimming all year round.
Best Travel Time by Vacation Type
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City Trip
Pleasantly mild, not too hot
JunJulAug
