The chart below plots the average daily wind speed you can expect for any month. The climate profile is taken from closest available data source to Aleutian Islands. Make it a Weather Favorite! In recent years the maximum sustained wind speed has reached 96 km/h, that’s the equivalent of around 60 mph, or 52 knots. The climate of the islands is oceanic, with moderate and fairly uniform temperatures and heavy rainfall. At night the average minimum temperature drops down to around -2°C, that's 29°F. For Washington The wettest month for Washington. The wettest time of the year is September through December. The "Cradle of the Storms" is the colloquial name for the Aleutian Low area because this is the stormiest area in the north Pacific.2  These cyclonic storms generally travel eastward along the Aleutians in the zone of the westerly winds. While not a dynamically directly-driven feature, the Aleutian Low still serves as a useful proxy for storm activity. The climate profile is taken from closest available data source to Aleutian Islands. Please click on the graph to see a larger version. The Aleutian Islands experience oceanic climate with heavy rainfall and moderate temperatures. This creates a large band of atmospheric instability with rising moist air that stretches from the Kamchatka Peninsula in the west and all the Aleutian Islands chain. The Aleutian low is "A region of generally low pressure located near the Aleutian Islands, where sub-polar cyclones reach their maximum intensity. The graph on the right shows that the difference between the average high and average low is roughly 10 degrees. Given the small landmass, the human footprint is quite large — the region is ranked 5th out of the 13 regions for human impacts. The average temperature difference between July and January is only about 10 degrees F. The moderating influence of the marine environment is the primary reason for this small temperature difference. According to the Köppen climate classification system, the area southwest of 53°30′N 167°00′W / 53.5°N 167.0°W on Unalaska Island have a "Subpolar Oceanic Climate" (type "Cfc" as are Reykjavík, Tórshavn, Punta Arenas, U… The average annual temperature for the inhabited islands is about 38 °F in January and 52 °F in August. In recent times the highest recorded temperature in December has been 12°C that's 54°F, with the lowest recorded temperature -17°C, about 1°F. The forecasts ... (−15 °C) respectively. Shemya or Simiya (Aleut: Samiyax̂) is a small island in the Semichi Islands group of the Near Islands chain in the Aleutian Islands archipelago southwest of Alaska, at CoordinatesIt has a land area of 5.903 sq mi (15.29 km 2), and is about 1,200 miles (1,900 km) southwest of Anchorage, Alaska.It is 2.73 miles (4.39 km) wide and 4.32 miles (6.95 km) long. The graph shows that the area of ice in the Bering Sea often fluctuates substantially from the 1979-2008 mean, usually in the range of about +-10 to 25%. The chart below plots the average number of days in any month that you can expect to see snow falling. Some of these ALs stagnate and weaken in the Gulf of Alaska but then move to the southeast or onto the continent.3. The Heat Index is a measure of how hot it feels when relative humidity is added to actual air temperature. Storms over the Central Aleutian Islands will bring warm air up from the south as well as rain to the islands Monday into Tuesday. Power et al. Aleutian Islands, chain of islands that separate the Bering Sea (north) from the main portion of the Pacific Ocean (south). The stronger ALs generally move eastward south of the Aleutian Islands. They extend in an arc southwest, then northwest, for about 1,100 miles (1,800 km) from the tip of the Alaska Peninsula to Attu Island, Alaska. Weather forecasts for the Unimak area can be accessed on the Internet here. It also shows the maximum recorded sustained wind speed for each month. Wind gusts over 50 MPH occur 3 or more days per month for 7 months of the year. An eruption of Cleveland Volcano in the Aleutians as seen from the International Space Station. Westerlies often occur in the fall, as shown in the wind direction rose for September. Their color variations are probably due to differences in temperature and in the size of water droplets that make up the clouds. Make it a Weather Favorite! The summers are relatively quieter, but even then gale force winds usually occur. Expect 0.7 mm of precipitation over the past 3 hours. Summer temperatures are also moderated by the strong marine environment so that daytime highs seldom surpass 70 degrees F.  Temperature extremes increase as one travels up the Alaska Peninsula, so that Cold Bay is slightly colder in winter and warmer in summer than Unimak Island. “In the early years, it was a very different place,” Estes said. The Islands of the Four Mountains in Alaska’s central Aleutians are about as inhospitable an environment as a person can imagine. During such cold winters, the Bering Sea can be covered with ice as far as Isanotski Strait and cold Siberian air can drive the temperatures down to near zero. Lows in the mid 30s. The strongest of these storms may make their way to the west coast of North American during the winter and then move across the mid section of the U.S.. Multi-disciplinary evidence for a large, previously unrecognized caldera in the Islands of Four Mountains, Central Aleutian Arc, Alaska. King Cove City, Aleutian Islands weather conditions, average/minimum/maximum temperature, humidity variation graphs. Expect 7.8 mm of precipitation over the past 3 hours. Precipitation varies widely, from 530mm up to 2,080mm. Although extensive data doesn't seem to be available on the southern extent of Bering Sea ice, the available data and anecdotal evidence indicates that the sea ice edge seldom goes beyond Isanotski Strait and rarely as far as Unimak Pass. The Aleutian Island is mostly cone volcano’s and some are still activate, but only on one side of the Island not all of the volcano’s can still activate. King Cove City, Aleutian Islands current conditions, weather forecast and climate chart (temperature and humidity). Even though global warming would suggest a reduced ice pack in 2012, the ice area is an anomalous record high for the period that began in 1979. 1995). Today, the land mass has been splintered into … June is usually the quietest month and December, January and February have 5.0 days each of winds over 50 MPH. Like this location? The chart below plots the average high and low temperature for each month of the year. This is also the zone where the colder air from the subarctic meets the warmer moist air to the south. Animated monthly wind direction graphs can be seen here. Calm winds (no direction) in Cold Bay are observed only 2% of the time. Scientists have linked sea urchins, otters and climate change to the destruction of reefs in the Aleutian Islands in a new study published in Science. WEATHER IN THE ALEUTIAN ISLANDS AND PRIBILOF ISLANDS 16710 November 22, 2019 3 2. The average daily relative humidity for December is around 84%. James Estes, now an emeritus professor at the University of California Santa Cruz, has been studying the Aleutian Islands since 1970. 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