Alaska weather

Our guide to the weather in Alaska during May


Average high


UV Index


Monthly rainfall



We've looked at the most up-to-date weather data for Alaska, covering the last 12 years up to 2023, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Alaska weather in May.

What's the temperature like in Alaska during May?

It's cold in Alaska during May. The temperature tops out at around 10℃ during the day, falling away to 1℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water, ice and snow increase UV exposure.

Does it snow in Alaska during May?

Yes, although it doesn't snow as much as you might expect. It's worth checking the local forecast a few days before you leave home so that you can pack appropriate footwear and clothing.

Does it rain in Alaska during May?

On average, there will be 6 rainy days during the month, amounting to 58.1mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Alaska during May?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With moderate humidity, the wind will feel chilly, so you'll want to wear layers.

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Alaska Blog posts

From Ireland's most popular travel bloggers


What to Wear on an Alaska Cruise: An Alaska Cruise Packing List

31st July 2023 by Eat Sleep Breathe Travel

Packing for an Alaska cruise proved to be quite a challenge. Although well-versed in packing for cruises to warmer destinations and even an expedition cruise to Antarctica, the task of preparing for ship life and outdoor adventures in Alaska was a new one. Deciding what to bring became a difficult decision....


Is an Alaska Cruise Worth It: Honest Thoughts from a Non-Cruiser

31st July 2023 by Eat Sleep Breathe Travel

I was invited on a 7-day cruise to Alaska by Holland America, and I had mixed feelings. On one hand, I had heard many positive things about Alaska and it looked beautiful. On the other hand, I don't usually enjoy cruise trips as I prefer to travel slowly and seek out adventure. A big cruise trip did not seem to fit my style of travelling....

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