Trondheim vs Ålesund: which is sunnier?
🇳🇴 Norway vs 🇳🇴 Norway · 263 km apart · long-term climate normals (NASA POWER, 2001–2020)
Trondheim is the sunnier overall: about 1,425 hours of sunshine a year to Ålesund's 1,230. Trondheim has the higher Sunshine Score in 4 of 12 months, Ålesund in 1 (7 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Trondheim | Ålesund | |
|---|---|---|
| Sunshine hours / year | 1,425 | 1,230 |
| Sunniest month | July (62/100) | July (46/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 53/100 | 40/100 |
| Rain / year | 1,483 mm | 1,767 mm |
| Warmest sea | 17°C / 63°F | 16°C / 61°F |
| Peak midday UV | 4 (moderate) | 4 (moderate) |
Trondheim vs Ålesund month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Trondheim | Ålesund | Trondheim | Ålesund | Trondheim | Ålesund | Trondheim | Ålesund | |
| January | 0 | 0 | 0° | 3° | 129 | 172 | 2° | 6° |
| February | 0 | 0 | 0° | 3° | 112 | 147 | 2° | 5° |
| March | 0 | 0 | 3° | 4° | 117 | 138 | 4° | 5° |
| April | 0 | 0 | 8° | 8° | 94 | 105 | 6° | 6° |
| May | 29 | 17 | 13° | 11° | 94 | 102 | 13° | 11° |
| June | 47 | 32 | 17° | 14° | 134 | 116 | 15° | 13° |
| July | 62 | 46 | 20° | 17° | 133 | 131 | 17° | 15° |
| August | 51 | 43 | 18° | 17° | 136 | 155 | 16° | 16° |
| September | 30 | 29 | 14° | 14° | 149 | 183 | 15° | 14° |
| October | 0 | 10 | 8° | 10° | 123 | 152 | 10° | 12° |
| November | 0 | 0 | 3° | 6° | 122 | 172 | 7° | 10° |
| December | 0 | 0 | 1° | 4° | 140 | 194 | 4° | 8° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Trondheim · Jun Trondheim · Jul Trondheim · Aug Trondheim · Sep even · Oct Ålesund · Nov even · Dec even.
When to pick which
- November–February: too close to call — Trondheim averages 0/100, Ålesund 0/100. Ålesund is the warmer, around 4°C daytime highs vs 1°C. See the winter sun ranking.
- March–May: Trondheim (average score 10/100 vs 6). Daytime highs are similar (8°C vs 8°C).
- June–August: Trondheim (average score 53/100 vs 40). Trondheim is the warmer, around 18°C daytime highs vs 16°C.
- September–October: Ålesund (average score 20/100 vs 15). Daytime highs are similar (11°C vs 12°C).
Sea temperature
Trondheim's sea gets warmer: 17°C / 63°F at its peak vs 16°C. Swimmable water (21°C+): Trondheim never, Ålesund never. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Trondheim weather by month · Ålesund weather by month · Best time to visit Norway.
More comparisons: Trondheim vs Oslo (Gardermoen) · Trondheim vs Molde · Ålesund vs Bergen · Ålesund vs Molde · Ålesund vs Vágar · all head-to-heads