ÅlesundPhoto: Lukas Beck · CC BY 4.0Norway · Europe
Best time to visit Ålesund
Ålesund sits on islands between sea and mountains and is one of Norway's prettiest towns. Mild for the latitude but very wet; summer is the friendliest time.
Climate decision
Best travel months for Ålesund
Top recommendation
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
October · Wet days
25 days/month
1991–2025: 21.1 days/month
+3.9 days/month · higher
May · Mean daily maximum
11.1 °C
1991–2025: 10 °C
+1.1 °C · higher
October · Monthly precipitation
233.3 mm/month
1991–2025: 170 mm/month
+63.2 mm/month · higher
August · Sea temperature
15 °C
1991–2025: 14.6 °C
+0.4 °C · similar
July: 0/155 days at or above 30 °C; highest single value 25.3 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Coast and sea
Ålesund: the swimming season follows two curves
Average daily highs vary by 13.7 °C through the year, while the sea varies by 9 °C. Air and water temperature should therefore be considered separately.
The practical difference
The month with the highest daytime temperature and the month with the warmest sea need not define the same travel window. Rain and sunshine help resolve the trade-off.
Warmest sea
August · 14.6 °C
Highest average daily high
July and August · 15.7 °C
Fewest rainy days
April · 16.2
Most sunshine
June · 5.9 h
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 2 | -1 | 22 | 184 | 0.2 | 86 | 4.1 | 7 | 9 |
| February | 2 | -1 | 19 | 159 | 0.8 | 86 | 3.9 | 6 | 12 |
| March | 3 | -0 | 21 | 152 | 2.1 | 84 | 3.5 | 6 | 13 |
| April | 6 | 2 | 16 | 105 | 4.1 | 82 | 2.8 | 6 | 21 |
| May | 10 | 5 | 17 | 96 | 5.6 | 80 | 2.4 | 8 | 25 |
| June | 13 | 9 | 18 | 125 | 5.9 | 81 | 2.2 | 11 | 29 |
| July | 16 | 11 | 19 | 128 | 5.7 | 83 | 1.9 | 13 | 35 |
| August | 16 | 12 | 21 | 151 | 4.4 | 83 | 2.1 | 15 | 33 |
| September | 13 | 9 | 20 | 165 | 2.7 | 83 | 2.6 | 14 | 25 |
| October | 9 | 6 | 21 | 170 | 1.2 | 84 | 3.0 | 12 | 14 |
| November | 5 | 2 | 19 | 163 | 0.4 | 85 | 3.4 | 10 | 12 |
| December | 3 | 0 | 22 | 185 | 0.1 | 87 | 3.8 | 8 | 9 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Ålesund
Compare available stays, prices and cancellation terms for Ålesund on Booking.com.
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The number is the overall climate score, not a similarity score.
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Frequently asked questions
When is the best time to visit Ålesund?
The best time depends on the trip type; the cards above show each monthly decision.
Which month has the highest average daily maximum temperature in Ålesund?
Average daily maximum temperatures in Ålesund are practically tied in July and August at around 16 °C.
When is the sea warmest at Ålesund?
In August, at around 15 °C.