Climate guide for Sitka, Alaska

Sitka in May

Weather, crowds & best time to visit

How to read the score (0–10)
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May · Alaska

Best time to visit Sitka in May Weather, crowds & prices

Weather in Sitka in May

Average temperature 8°C, 142 mm of rain, about 18 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

5.4/10

Ranked #4 of 12 months

Full year for Sitka
Avg temp
8°C
Rainfall
142 mm
Humidity
85%
Days with 6h+ sun
18
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Sitka scores 5.4/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 8°C, 142 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.

Sitka blends Russian-era cathedral domes with rainforest islands and whale-rich waters on the outer coast.

May in Sitka — middling scores, decent value

May averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 142 mm this is a genuinely wet month: about 18 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 5.4/10 here, 4th of 12 months, against 6.7/10 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.

Plan for mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Sitka in May?
In May, Sitka averages 8°C, 142 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 5.4/10.
Is May a good time to visit Sitka?
May earns a 5.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Sitka in May?
Expect about 142 mm of rain in May. Average humidity is 85% and there are about 18 days with 6+ hours of sunshine.

Curated in Sitka

Tickets & experiences

Things to do in Sitka

Sitka, Alaska. Live activities and tours from GetYourGuide, matched to this destination.