Unalaska, AK weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Unalaska now

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Unalaska weather by the hour

Unalaska weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Unalaska.

This week in Unalaska

Sunrise, sunset and moon in Unalaska

What is the weather usually like in Unalaska?

Cfc
Subpolar oceanic climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

24°34°44°54°64°37°29°Jan39°29°Feb39°29°Mar42°33°Apr47°37°May52°42°Jun57°47°Jul59°48°Aug55°44°Sep48°38°Oct43°33°Nov39°31°Dec

Average precipitation (inches)

6.8"Jan5.2"Feb4.6"Mar3.5"Apr4.2"May2.5"Jun2.3"Jul2.9"Aug5.7"Sep7.9"Oct6.7"Nov7.9"Dec

Best time to visit Unalaska: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DUTCH HARBOR, AK US (USC00502587), adjusted for the elevation of Unalaska.

Unalaska weather month by month

January
37° 29°F
6.8 in of rain · 13 wet days❄ 22.0 in of snow
February
39° 29°F
5.2 in of rain · 11 wet days❄ 14.2 in of snow
March
39° 29°F
4.6 in of rain · 10 wet days❄ 16.5 in of snow
April
42° 33°F
3.5 in of rain · 9 wet days❄ 6.3 in of snow
May
47° 37°F
4.2 in of rain · 9 wet days❄ 0.2 in of snow
June
52° 42°F
2.5 in of rain · 6 wet days
July
57° 47°F
2.3 in of rain · 6 wet days
August
59° 48°F
2.9 in of rain · 7 wet days
September
55° 44°F
5.7 in of rain · 12 wet days
October
48° 38°F
7.9 in of rain · 15 wet days❄ 0.4 in of snow
November
43° 33°F
6.7 in of rain · 13 wet days❄ 6.2 in of snow
December
39° 31°F
7.9 in of rain · 15 wet days❄ 15.8 in of snow

Sunrise and sunset in Unalaska through the year

MonthSunriseSunsetDaylight
January10:13 AM6:18 PM8 h 4 min
February9:22 AM7:17 PM9 h 55 min
March9:17 AM9:12 PM11 h 54 min
April8:01 AM10:10 PM14 h 8 min
May7:00 AM11:04 PM16 h 4 min
June6:31 AM11:42 PM17 h 10 min
July6:52 AM11:31 PM16 h 39 min
August7:43 AM10:37 PM14 h 53 min
September8:38 AM9:23 PM12 h 44 min
October9:33 AM8:10 PM10 h 37 min
November9:32 AM6:09 PM8 h 36 min
December10:16 AM5:46 PM7 h 30 min

Times for the 15th of each month, local time (America/Anchorage).

What is the weather like in Unalaska?

Unalaska has a subpolar oceanic climate. The warmest month is August, with an average high of 59°F (15°C), and the coldest is January, with average lows of 29°F (-2°C).

It gets about 60.1 inches (1,527 mm) of precipitation a year. The wettest month is October and the driest is July. Snow is common: about 82 inches fall in an average year.

The best time to visit Unalaska is June to September. At 13 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Unalaska

Weather in towns near Unalaska

Questions about the weather in Unalaska

What is the hottest month in Unalaska?

August, with an average high of 59°F (15°C).

What is the coldest month in Unalaska?

January, with an average low of 29°F (-2°C).

How much does it rain in Unalaska?

About 60.1 inches (1,527 mm) a year; the wettest month is October.

Does it snow in Unalaska?

Yes, about 82 inches of snow fall in an average year.

When is the best time to visit Unalaska?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Unalaska have?

Subpolar oceanic (Köppen Cfc).

What is the weather like in Unalaska in November?

Highs average 43°F and lows 33°F, with about 6.7 inches of precipitation.

What time is sunrise in Unalaska?

Around 9:32 AM in mid-November, and sunset around 6:09 PM. Today’s exact times are shown above.

Where does this Unalaska weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Unalaska.

All about Unalaska ›

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