Spring (March–May): Average -35–42°F, cold climate, windy, relatively low rainfall. Common activities: bird watching, visiting the Mývatn geothermal area, enjoying hot springs. Recommended clothing: warm jacket, warm hat, scarf, waterproof clothing, waterproof shoes.
Summer (June–August): Average 47–49°F, cool climate, changeable, moderate to high rainfall, occasional showers. Common activities: hiking, horseback riding, boating, viewing the Northern Lights (if time permits). Recommended clothing: layered clothing, waterproof jacket, breathable and wicking clothing, comfortable hiking shoes.
Autumn (September–November): Average 35–44°F, cooler climate, higher rainfall, changeable weather. Common activities: viewing autumn leaves (in some areas), bird watching. Recommended clothing: warm jacket, waterproof clothing, waterproof shoes, hat, scarf.
Winter (December–February): Average -5.3–-35.2°F, cold climate, windy, higher chance of snowfall. Common activities: viewing the Northern Lights (higher chance), ice fishing (in some areas). Recommended clothing: heavy warm jacket, warm hat, scarf, gloves, waterproof and windproof pants, warm underwear, waterproof and snowproof boots.
Myvatn climatological average
Annual average temperature: approx. 37.0°F / Annual rainfall: approx. 1151 mm / Summer humidity: 70%–80% / Rainiest month: October
Myvatn monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
27.9°F
112.1
February
27.3°F
92.4
March
28.8°F
88.8
April
34°F
51.6
May
42.1°F
38.6
June
47.8°F
126.2
July
49.6°F
117.6
August
49.6°F
126.9
September
44.4°F
90.8
October
35.4°F
155.7
November
34.2°F
84.7
December
22.5°F
65.8
Myvatn weather for the next seven days
12/22
Monday
Partly Cloudy
33.4°F/23.5°F
12/23
Tuesday
Light freezing rain
30.7°F/22.3°F
12/24
Wednesday
Patchy rain nearby
43.7°F/36.1°F
12/25
Thursday
Sunny
41.6°F/32.5°F
12/26
Friday
Moderate or heavy snow showers
33.2°F/26.3°F
12/27
Saturday
Partly Cloudy
40.8°F/32.6°F
12/28
Sunday
Sunny
34.5°F/30.7°F
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