Ålesund weather in May

May in Ålesund: cool, rainy, with clean air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Ålesund🇳🇴 Norway · Norwegian Fjords · City79
  1. 26Jan
  2. 41Feb
  3. 53Mar
  4. 68Apr
  5. 79May
  6. 84Jun
  7. 87Jul
  8. 76Aug
  9. 63Sep
  10. 48Oct
  11. 38Nov
  12. 28Dec

#3 of 12 months in Ålesund · #759 of 1413 destinations to visit in May · comfort 79/100 (tier B)

Days
16°C
Nights
5°C
Wet days
15
Sun
11.8 h
Humidity
78%
Daylight
18 h
Ålesund, Norway
Photo: Susanne Jutzeler, suju-foto · Pexels

Traveller notes on Ålesund in May

Regulars put May in Alesund between 40 and 60F, adding that the low end is rare on the coast by late May; our row's 15.5C over 5.4C is exactly that span, reading as 13C and 2C in the wind. They are equally direct that the western fjords are a wet coastal climate with notoriously variable cloud, so rain or grey is part of the trip rather than bad luck - 98.1mm across 15.2 precipitation days here. What the wet month buys is the thing people come for: snow still on the summits, green below, and countless waterfalls between the two. Our 6.8cm of May snow is those summits inside the grid square. The record: 11.8 hours of sun, 17.9 hours of daylight, an 8.4C sea and AQI 39.
SnowAboveWaterfallsBetween · May · 1 month ago · Read more on Tripadvisor ↗

Other months in Ålesund

Regulars are direct this is genuine autumn here, cold nights and often rainy days the norm, with a small chance of snow reaching the surrounding mountains early in the month, though unlikely enough to close roads. Our row backs that cool, genuinely wet read, 16.9C over 8.1C nights feeling as low as 5C, with a substantial 260.9mm of rain across 19.3 days and a trace of early snow, 0.2cm. Regulars are consistent a lucky stretch of good weather makes this a genuinely good time to visit precisely because of fewer visitors and a better choice of accommodation than peak summer. Wind, rain gear and a properly warm layer remain the standard advice regardless of how any single day starts. The sea sits at a cold 14.6C. The record: humidity 84 percent, 7.3 hours of sun and a 23.5 kph wind.
AutumnColdNightsSmallSnowChance · September · 1 month ago · Read more on Tripadvisor ↗
April here still counts as winter to regulars - cold, wet, windy, and they put the average around 4C, close to our 5.7C. What varies is how far that winter has retreated: at the coast and in the lower fjord towns the snow is mostly gone by mid-April, while the mountains all around stay covered, which is exactly what our 27cm of snowfall column is measuring - hills, not streets. Our row gives 10.9C by day reading as 7C, nights at 0.4C feeling -4C, with 128mm of rain across 14.2 days, one of this coast's wetter columns even in an otherwise drier month by local standards. Roads stay open and salted, so a cold week does not close anything. The sea is 7.2C. The record: humidity 78 percent, 10.4 hours of sun, a 22.8 kph wind and AQI 40.
LittleSnowByTheSeaMuchOnTheHills · April · 1 month ago · Read more on Tripadvisor ↗
Regulars on the western fjords answer an August question with a statistic and a shrug. The statistic: August is slightly wetter than July, which is slightly wetter than June, though it is also the warmest of them. The shrug: the west is simply a wet place, grey is part of the experience, and long-range forecasts are an indication at best - warm, cold, rain and sun can all arrive in one day. The range they tell people to pack for, 10 to 20C with 20 to 25C on a good day, is our row almost exactly at 19C over 10.8C. Rain rarely runs all day and is often a drizzle a westerner would not call rain. The record: 192.3mm across 19.8 days, 9.3 hours of sun inside 16 of daylight, and a 14.4C sea.
AllFourInOneDay · August · 1 month ago · Read more on Tripadvisor ↗
July in Alesund is as close to the midnight sun as western Norway gets: the sun goes down around half past eleven and the night never gets past twilight. The forum's framing of the rest is honest - rain and grey are part of the experience on this coast rather than bad luck, with the outer fjord region wet and the inner fjords drier and milder. They warn against trusting a long-range forecast here, which they call an educated guess at best, and point out that the whole western fjord area shares its weather: if Geiranger is grey, Bergen and Flam very likely are too, so moving along the coast does not rescue a bad week. The record: 20.3C days, 11.1C nights, 16.1 precipitation days carrying 130.4mm, 12.2 hours of sun, an 18.8-hour day and a 15.3C sea.
TwilightNotDarkness · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Ålesund's card on the map.

Ålesund climate normals — May

Daytime high16°C / 60°F🙂 cool
Nighttime low5°C / 42°F
Feels like (high)13°C / 55°F
Sea temperature8°C / 47°F🥶 cold sea
Rainfall98 mm / 3.9 in🌧 rainy
Rainy days15 days
Humidity78%💦 very humid
Dew point6°C / 43°F
Sunshine11.8 h/day
Daylight17.9 h
Wind21 km/h / 13 mph
Snowfall6.8 cm / 2.7 in
Air quality (US AQI)39🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Ålesund in May

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsCruise ships in port, Constitution Day, school holidays in 4 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Ålesund's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherÅlesund's weather peaks May–July.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Ålesund in May

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Sunnmore Alps ski touring

    15 Feb – 15 May · usuallySki season

    The peaks behind town are skied from the water up, which is why people fly here with skins rather than lift passes. Late February to May is when the snow holds and the days are long enough.

  • Season

    Cruise ships in port

    1 May – 20 Sep · usuallyCruise seasonCrowded

    Alesund is the tender port for Geiranger and the ships tie up right below the town. On a two-ship morning the Aksla steps and the fish restaurants are gone until mid-afternoon.

  • Holiday

    Constitution Day

    17 MayNational holidayClosures

    Children's parades through the Art Nouveau streets, everyone in bunad, and the shops and museums shut for the day. It is the one date Norwegians will not reschedule. Source ↗

What's on around the world in May →

Nearby, and something's on

Within 300 km of Ålesund — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Ålesund?

Loading map…

Ålesund in May — FAQ

Is May a good time to visit Ålesund?
May in Ålesund: cool, rainy, with clean air — a great time to visit. It ranks #3 of 12 months for Ålesund on SeasonMap's comfort score (79/100).
What is the weather like in Ålesund in May?
In May, Ålesund averages a daily high of 15.5°C and a low of 5.4°C, with about 98.1 mm of rain over roughly 15.2 rainy days.
What is the air quality in Ålesund in May?
Ålesund has a mean US Air Quality Index of about 39 in May.
Does it snow in Ålesund in May?
Ålesund sees roughly 6.8 cm of snowfall in May.

Within 300 km: Geiranger's Dalsnibba and Eagle Road open around 20 May – 5 Nov, and Bergen's Bergen International Festival on 27 May – 10 Jun.