August · Alaska
Best time to visit Seward in August Weather, crowds & prices
Weather in Seward in August
Average temperature 10°C, 329 mm of rain, about 9 days with 6+ hours of sunshine and 92% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
5.2/10
Ranked #4 of 12 months
- Avg temp
- 10°C
- Rainfall
- 329 mm
- Humidity
- 92%
- Days with 6h+ sun
- 9
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Seward scores 5.2/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 10°C, 329 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.
Seward sits at the head of Resurrection Bay with harbor cruises into Kenai Fjords and the start of the Iditarod trail.
August in Seward — middling scores, decent value
August averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
329 mm of rain puts this in monsoon territory — about 9 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.2/10 here, 4th of 12 months, against 7/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on peak pricing, with this is one of the busiest months here.
Flexible dates? June scores 1.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Seward in August?
- In August, Seward averages 10°C, 329 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 5.2/10.
- Is August a good time to visit Seward?
- August earns a 5.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Seward in August?
- Expect about 329 mm of rain in August. Average humidity is 92% and there are about 9 days with 6+ hours of sunshine.
Curated in Seward
Tickets & experiences
Things to do in Seward
Seward, Alaska. Live activities and tours from GetYourGuide, matched to this destination.