Attu Island, Alaska Climate & Temperature ⛅

⛺ Attu Island, Alaska has a subpolar oceanic climate that is mild with no dry season and moderate seasonality. Summers are cool and short (Köppen-Geiger classification: Cfc).

🌡️ The mean annual temperature is 3.9 degrees Celsius (39 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.

🐬 Average monthly temperatures vary by 12 °C (21.6°F). This indicates that the continentality type is oceanic, subtype truly oceanic.

☔ Total annual precipitation averages 1519 mm (59.8 inches) which is equivalent to 1519 Litres/m² (37.26 Gallons/ft²).

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In the winter time records indicate temperatures by day reach 1.3°C (34.4°F) on average falling to -2°C (28.4°F) overnight.

In spring time temperatures climb reaching 3.3°C (38°F) generally in the afternoon with overnight lows of 0°C (32°F).

During summer average high temperatures are 10.7°C (51.2°F) and average low temperatures are 6.7°C (44°F).

Come autumn/ fall temperatures decrease achieving average highs of 7.3°C (45.2°F) during the day and lows of 3.7°C (38.6°F) generally shortly after sunrise.

✨ The longest day of the year is 16:39 long on the 22 of June and the shortest day is 7:20 long on the 21 of December.

🐇Were you to burrow down through the centre of the Earth from Attu Island, Alaska you would pop up nearest to the climate station at Gough Island, South Africa.

🌍Attu Island, Alaska, Usa is at 52°49'N, 173°10'E, 18 m (59 ft). Check the location on the map.

Attu Island, Alaska Climate Table