Climate
Weather in Iceland, month by month
Best time to visit
For mild temperatures and less rain, June, July, August are usually the most comfortable months in Iceland (based on recent 2025 averages near Reykjavík).
Average weather by month
Daytime high / overnight low (Celsius and Fahrenheit), with average monthly rainfall, near Reykjavík. Tap a month for details.
| Jan | 1.4°C (35°F) / -3.2°C (26°F) · 166 mm |
|---|---|
| Feb | 2.7°C (37°F) / -1.8°C (29°F) · 162 mm |
| Mar | 3.6°C (38°F) / -1°C (30°F) · 146 mm |
| Apr | 6.5°C (44°F) / 1.4°C (35°F) · 118 mm |
| May | 9.1°C (48°F) / 4.3°C (40°F) · 133 mm |
| Jun | 10.7°C (51°F) / 6.5°C (44°F) · 106 mm |
| Jul | 13.1°C (56°F) / 8.9°C (48°F) · 87 mm |
| Aug | 13.3°C (56°F) / 8.8°C (48°F) · 124 mm |
| Sep | 10.4°C (51°F) / 5.9°C (43°F) · 147 mm |
| Oct | 6.4°C (44°F) / 2.2°C (36°F) · 147 mm |
| Nov | 4.1°C (39°F) / -0°C (32°F) · 121 mm |
| Dec | 1.5°C (35°F) / -2.9°C (27°F) · 129 mm |
Updated climate normals, 2025
Climate extremes in Iceland
| Warmest month | August · avg high 13.3°C (56°F) |
|---|---|
| Coolest month | January · avg low -3.2°C (26°F) |
| Wettest month | January · ~166 mm |
| Driest month | July · ~87 mm |
Common questions
When is the best time to visit Iceland?
For a balance of comfortable temperatures and lower rainfall, June, July, August tend to be the most pleasant months in Iceland.
What is the hottest month in Iceland?
August is the warmest month in Iceland, with average daytime highs around 13.3°C (56°F).
What is the coldest month in Iceland?
January is the coolest, with average overnight lows near -3.2°C (26°F).
Which month has the most rain in Iceland?
January is typically the wettest month (around 166 mm on average), while July is usually the driest.