The Unalaska plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
66° on Nov. 15, 2013, the hottest reading for this week of the year since 1915. Next is 64° in 2023.
Unalaska’s center stands about 40 ft above sea level. Within three miles the land runs from 0 ft to 1,730 ft, a difference of 1,730 ft: steep hill country. Open water lies within three miles. The highest named summit within 15 miles is Table Top Mountain, about 2,680 ft, 9 miles northwest.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 9×.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.
Unalaska has a subpolar oceanic climate. Summer afternoons average 59° in August; winter nights fall to about 29° in January. A normal year brings about 82 inches of snow; with the rain, that comes to about 60 inches of water.
On November 14 Unalaska normally reaches 44° and falls to 33°. The record high is 64°, in 2023; the record low 15°, in 1984. The most rain on this date, 2.08 in, fell in 2000.
Normals 1991–2020 and records since 1915 at Dutch Harbor, here. NOAA, through RCC-ACIS.