Reykjavik Weather
A month-by-month look at temperature, rainfall and what to pack in Reykjavik. The annual average is 8°C high / 2°C low — hottest in July (14°C) and coldest in January (-3°C).
Reykjavik Weather at a Glance
As of 2026A quick summary of Reykjavik's year-round climate and the best time to visit.
- Annual average
- 8° / 2°
- Best time to visit
- June, May, July
- Hottest month
- July (14°C)
- Coldest month
- January (-3°C)
- Wettest month
- March (80mm)
- Driest month
- May (50mm)
As of 2026, Reykjavik's weather averages 8°C high / 2°C low across the year, and the best time to visit for stable temperatures, rainfall and crowds is June, May, July. The hottest month is July (14°C), the coldest is January (-3°C), and the wettest is March (80mm).
Best Time to Visit Reykjavik
Midnight Sun peak (sunrise 03:00, sunset 24:00). All roads open including F-roads from mid-month. Best month for Ring Road + highland exploration.
Best shoulder-season month. Daylight 17h. All coastal roads open. Wildflowers bloom + lower-than-July pricing. The smart-money window for Iceland.
Iceland's warmest, busiest, most-expensive month. Roads + tours all available. Pre-book everything 2+ months ahead. The pinnacle of activity + the pinnacle of cost.
Reykjavik Weather Month by Month
Tap any month for a detailed guide with what to wear, sunrise/sunset and air quality.
| Month | High/Low | Rain | Rainy days | Crowds | |
|---|---|---|---|---|---|
| January | 2° / -3° | 75mm | 13 | Moderate | Details → |
| February | 3° / -2° | 70mm | 12 | Moderate | Details → |
| March | 4° / -1° | 80mm | 13 | Moderate | Details → |
| April | 6° / 1° | 60mm | 12 | Moderate | Details → |
| May | 10° / 4° | 50mm | 11 | Busy | Details → |
| June | 13° / 7° | 50mm | 10 | Very busy | Details → |
| July | 14° / 9° | 50mm | 10 | Very busy | Details → |
| August | 14° / 8° | 60mm | 11 | Very busy | Details → |
| September | 11° / 6° | 70mm | 13 | Busy | Details → |
| October | 7° / 3° | 75mm | 13 | Moderate | Details → |
| November | 4° / -1° | 80mm | 13 | Moderate | Details → |
| December | 2° / -3° | 80mm | 14 | Very busy | Details → |
What to Wear in Reykjavik by Season
Spring transition — waterproof shell jacket, mid-weight knit/fleece, waterproof sneakers, gloves (mornings still cold). Microspikes no longer needed in central Reykjavik. Like Korean March: layer for 5-10°C swings.
Peak summer. 14/9°C — coolest 'summer' you'll experience. Waterproof shell mandatory (rain + wind any day). T-shirt or thin long-sleeve underneath, fleece for evenings, sneakers or hiking boots. Forget the bikini fantasies — beach is for photos, not swimming.
Like Korean November. Heavy waterproof jacket, thermal long-sleeve, mid-fleece, scarf, waterproof boots. Microspikes if late-month and any planned highland hikes (early winter ice possible). Hat + gloves for Aurora chases.
Same gear as January — heavy down coat + thermal layer + waterproof shell + microspikes. Daylight extending to 9h by month-end means you can squeeze in one extra outdoor activity per day. Layered approach essential: indoor cafes hit 22°C while outdoor wind chill drops to -10°C.
Reykjavik Weather FAQ
What is the best time to visit Reykjavik? +
For weather, June, May, July are the most comfortable months. Highs sit around 13°C with relatively stable rainfall and crowds.
What are the hottest and coldest months in Reykjavik? +
The hottest month is July with an average high of 14°C, and the coldest is January with an average low of -3°C. The annual average is 8°C high / 2°C low.
When does it rain most in Reykjavik? +
The wettest month is March (80mm over about 13 rainy days) and the driest is May (50mm). Total annual rainfall is roughly 800mm.
What should I pack for Reykjavik? +
Spring (Mar–May) averages 7/1°C — Spring transition — waterproof shell jacket, mid-weight knit/fleece, waterproof sneakers, gloves (mornings still cold). Microspikes no longer needed in central Reykjavik. Like Korean March: layer for 5-10°C swings. Summer (Jun–Aug) averages 14/8°C — Peak summer. 14/9°C — coolest 'summer' you'll experience. Waterproof shell mandatory (rain + wind any day). T-shirt or thin long-sleeve underneath, fleece for evenings, sneakers or hiking boots. Forget the bikini fantasies — beach is for photos, not swimming. Autumn (Sep–Nov) averages 7/3°C — Like Korean November. Heavy waterproof jacket, thermal long-sleeve, mid-fleece, scarf, waterproof boots. Microspikes if late-month and any planned highland hikes (early winter ice possible). Hat + gloves for Aurora chases. Winter (Dec–Feb) averages 2/-3°C — Same gear as January — heavy down coat + thermal layer + waterproof shell + microspikes. Daylight extending to 9h by month-end means you can squeeze in one extra outdoor activity per day. Layered approach essential: indoor cafes hit 22°C while outdoor wind chill drops to -10°C.
What is the weather in Reykjavik this month (June)? +
June averages 13°C high / 7°C low with 50mm rainfall over about 10 rainy days. Crowds are very busy and prices are high.
Keep Planning Your Reykjavik Trip
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.