Attu Island, Alaska Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

• Attu Island, Alaska, Usa latitude & longitude; 52°50'N 173°11'E.
• Altitude; 18 m (59 ft).
• The average temperature in Attu Island, Alaska, Usa is 3.9 °C (39 °F).
• The range of average monthly temperatures is 12 °C.
• The warmest average max/ high temperature is 13 °C (55 °F) in August.
• The coolest average min/ low temperature is -3 °C (27 °F) in January.
• Attu Island, Alaska receives on average 1519 mm (59.8 in) of precipitation annually or 127 mm (5.0 in) each month.
• On balance there are 268 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 22.3 days on an average month.
• The month with the driest weather is February when on balance 79 mm (3.1 in) of rain, sleet, hail or snow falls across 19 days.
• The month with the wettest weather is October when on balance 217 mm (8.5 in) of rain, sleet, hail or snow falls across 27 days.

Attu Island, Alaska Climate Graph (Metric | Imperial units)

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Attu Island, Alaska Weather Averages

Attu Island, Alaska Climograph/ Climate Chart (imperial)

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Attu Island, Alaska Temperatures in Farenheit