Data source: Meteostat・Last updated: 2025-09
Spring (March–May): Average -1.8–5.6°C, cold and humid climate, windy, rainfall gradually decreases. Common activities: Whale watching, hiking (be sure to dress warmly). Recommended clothing: Warm jacket, waterproof pants, hat, gloves, scarf.
Summer (June–August): Average 8.8–9.8°C, cool climate, more rainfall, higher humidity. Common activities: Whale watching, bird watching, horseback riding, exploring the Lake Mývatn area. Recommended clothing: Windproof and waterproof jacket, warm clothing, comfortable and breathable shoes.
Autumn (September–November): Average 1.9–6.9°C, the climate turns cold, more rainfall, October has the most rainfall. Common activities: Enjoying autumn scenery, relaxing in hot springs. Recommended clothing: Waterproof jacket, warm clothing, waterproof shoes.
Winter (December–February): Average -5.3–-1.8°C, cold climate, snowfall and strong winds are possible, short daylight hours. Common activities: Northern Lights viewing, ice fishing (if there is ice and it is safe), exploring snowy landscapes. Recommended clothing: Thick warm jacket, waterproof and windproof pants, warm hat, gloves, scarf, waterproof and non-slip snow boots.
Annual average temperature: approx. 2.8°C / Annual rainfall: approx. 1151 mm / Summer humidity: 70%–80% / Rainiest month: October
| Month | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | -2.3°C | -2.6°C | -1.8°C | 1.1°C | 5.6°C | 8.8°C | 9.8°C | 9.8°C | 6.9°C | 1.9°C | 1.2°C | -5.3°C |
| Rainfall (mm) | 112.1 | 92.4 | 88.8 | 51.6 | 38.6 | 126.2 | 117.6 | 126.9 | 90.8 | 155.7 | 84.7 | 65.8 |
| Date | 11/13Friday | 11/14Saturday | 11/15Sunday | 11/16Monday | 11/17Tuesday | 11/18Wednesday | 11/19Thursday |
|---|---|---|---|---|---|---|---|
| Weather | Heavy snow | Blizzard | Patchy light snow | Partly Cloudy | Overcast | Overcast | Light snow |
| High | 0.2°C | -1.1°C | -9.4°C | -11.5°C | -11.6°C | -2.2°C | -2°C |
| Low | -5.7°C | -9.1°C | -11.7°C | -17.7°C | -17.8°C | -11.7°C | -4.4°C |