Weather Guide

Anchorage, Alaska, United States Average Monthly Weather

Weather score32Poor annual avg

Best months: July, June, May

Across the year, average daytime temperatures are around 6°C, sunshine averages 5.5h per day, and rainfall totals about 443mm. Sea temperatures average 5°C across the year.

Anchorage, Alaska, United States, United States travel weather guide
Photo by Anthony Cox on Unsplash

Annual weather

Annual averages

Temp

6°C

Rain

443mm

Annual total

Sun

5.5h

Sea

5°C

Weather score

32

Poor avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Cool

Average highs are around 17°C, so pack for cooler days.

Drier

Rainfall averages 65mm, which is relatively low for holiday planning.

Some sun

Sunshine averages 6.5h per day, enough for a balanced month.

Cool sea

Sea temperatures average 14°C, so the water can feel cool.

Map

Weather map

Compare Anchorage, Alaska, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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August17°C average high

August is one of Anchorage's hottest months, so shade and slower afternoons matter.

Warmest monthsMay to September

This stretch sets the upper range for average daytime heat.

August65mm average rain

August is one of Anchorage's wettest months, so rain is likely to be a major planning factor.

Driest monthsJanuary to June and November to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

August6.5 hours average sun

August sits close to Anchorage's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsApril to July

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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August14°C average sea

August is one of Anchorage's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJuly to September

Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.

Weather score

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August36 weather score

August sits close to Anchorage's yearly weather-score average, giving a typical overall read on the month.

Best weather monthsApril to July

These months have the strongest weather score in the monthly averages.

Hotels in Anchorage, Alaska, United States