May · Alaska
Best time to visit Seward in May Weather, crowds & prices
Weather in Seward in May
Average temperature 3°C, 198 mm of rain, about 22 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
5.6/10
Ranked #3 of 12 months
- Avg temp
- 3°C
- Rainfall
- 198 mm
- Humidity
- 91%
- Days with 6h+ sun
- 22
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Seward scores 5.6/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 3°C, 198 mm of rain, and roughly 22 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.
May in Seward — workable with trade-offs
May averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Monthly rainfall reaches 198 mm — wet for this destination — but about 22 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 5.6/10 here, 3rd of 12 months, against 7/10 in the destination's best month.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Seward in May?
- In May, Seward averages 3°C, 198 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
- Is May a good time to visit Seward?
- May earns a 5.6/10 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 May?
- Expect about 198 mm of rain in May. Average humidity is 91% and there are about 22 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.