May · United States
Best time to visit Juneau in May Weather, crowds & prices
Weather in Juneau in May
Average temperature 3°C, 202 mm of rain, about 20 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
5.2/10
Ranked #3 of 12 months
- Avg temp
- 3°C
- Rainfall
- 202 mm
- Humidity
- 88%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Juneau scores 5.2/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 3°C, 202 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Juneau is Alaska's car-free capital, reached by air or sea, with glaciers and rainforest at its edge.
May in Juneau — middling scores, decent value
May averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
202 mm makes this the wettest stretch of the year, though about 20 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 5.2/10 here, 3rd of 12 months, against 6.5/10 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 Juneau in May?
- In May, Juneau averages 3°C, 202 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 5.2/10.
- Is May a good time to visit Juneau?
- May 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 Juneau in May?
- Expect about 202 mm of rain in May. Average humidity is 88% and there are about 20 days with 6+ hours of sunshine.
Curated in Juneau
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Things to do in Juneau
Juneau, United States. Live activities and tours from GetYourGuide, matched to this destination.