Data source: Meteostat・Last updated: 2025-09
Spring (March–May): Average -35–42°F, 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 47–49°F, 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 35–44°F, 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–-35.2°F, 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. 37.0°F / 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 | 27.9°F | 27.3°F | 28.8°F | 34°F | 42.1°F | 47.8°F | 49.6°F | 49.6°F | 44.4°F | 35.4°F | 34.2°F | 22.5°F |
| 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 | 11/10Tuesday | 11/11Wednesday | 11/12Thursday | 11/13Friday | 11/14Saturday | 11/15Sunday | 11/16Monday |
|---|---|---|---|---|---|---|---|
| Weather | Overcast | Blizzard | Overcast | Heavy snow | Moderate snow | Patchy moderate snow | Cloudy |
| High | 28.7°F | 23.8°F | 25.4°F | 28.8°F | 21.3°F | 19°F | 19.8°F |
| Low | 18.5°F | 17.9°F | 13.3°F | 16.1°F | 10.3°F | 7.3°F | 15.6°F |