Oslo (Gardermoen) vs Trondheim: which is sunnier?
🇳🇴 Norway vs 🇳🇴 Norway · 363 km apart · long-term climate normals (NASA POWER, 2001–2020)
Oslo (Gardermoen) is the sunnier overall: about 1,634 hours of sunshine a year to Trondheim's 1,425. Oslo (Gardermoen) has the higher Sunshine Score in 6 of 12 months; the other 6 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Oslo (Gardermoen) | Trondheim | |
|---|---|---|
| Sunshine hours / year | 1,634 | 1,425 |
| Sunniest month | July (67/100) | July (62/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 62/100 | 53/100 |
| Rain / year | 1,066 mm | 1,483 mm |
| Peak midday UV | 4 (moderate) | 4 (moderate) |
Oslo (Gardermoen) vs Trondheim month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Oslo (Gardermoen) | Trondheim | Oslo (Gardermoen) | Trondheim | Oslo (Gardermoen) | Trondheim | |
| January | 0 | 0 | -3° | 0° | 80 | 129 |
| February | 0 | 0 | -2° | 0° | 62 | 112 |
| March | 0 | 0 | 2° | 3° | 57 | 117 |
| April | 6 | 0 | 9° | 8° | 61 | 94 |
| May | 35 | 29 | 14° | 13° | 93 | 94 |
| June | 59 | 47 | 18° | 17° | 95 | 134 |
| July | 67 | 62 | 20° | 20° | 112 | 133 |
| August | 60 | 51 | 19° | 18° | 125 | 136 |
| September | 35 | 30 | 14° | 14° | 96 | 149 |
| October | 0 | 0 | 8° | 8° | 106 | 123 |
| November | 0 | 0 | 2° | 3° | 98 | 122 |
| December | 0 | 0 | -2° | 1° | 81 | 140 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr Oslo (Gardermoen) · May Oslo (Gardermoen) · Jun Oslo (Gardermoen) · Jul Oslo (Gardermoen) · Aug Oslo (Gardermoen) · Sep Oslo (Gardermoen) · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Oslo (Gardermoen) averages 0/100, Trondheim 0/100. Trondheim is the warmer, around 1°C daytime highs vs -1°C. See the winter sun ranking.
- March–May: Oslo (Gardermoen) (average score 14/100 vs 10). Daytime highs are similar (8°C vs 8°C).
- June–August: Oslo (Gardermoen) (average score 62/100 vs 53). Daytime highs are similar (19°C vs 18°C).
- September–October: Oslo (Gardermoen) (average score 18/100 vs 15). Daytime highs are similar (11°C vs 11°C).
Full month-by-month guides: Oslo (Gardermoen) weather by month · Trondheim weather by month · Best time to visit Norway.
More comparisons: Oslo (Gardermoen) vs Stockholm · Oslo (Gardermoen) vs Göteborg · Oslo (Gardermoen) vs Kristiansand(Kjevik) · Trondheim vs Ålesund · Trondheim vs Molde · all head-to-heads