At a glance
| Metric | Helsinki | Oslo |
|---|---|---|
| Hottest month high | 21°C | 22°C |
| Coldest month low | -6°C | -5°C |
| Annual rainfall | 826 mm | 988 mm |
| Avg sunshine | 7.6 h/day | 7.4 h/day |
| Best months | June | June–September |
Travel score, month by month
| Month | Helsinki | Oslo | Better weather |
|---|---|---|---|
| January | 0.0 · Challenging | 0.0 · Challenging | — |
| February | 0.0 · Challenging | 0.0 · Challenging | — |
| March | 0.0 · Challenging | 2.2 · Challenging | Oslo |
| April | 3.8 · Poor | 6.1 · Fair | Oslo |
| May | 6.8 · Fair | 7.9 · Good | Oslo |
| June | 9.6 · Excellent | 8.9 · Excellent | Helsinki |
| July | 8.6 · Excellent | 8.4 · Good | Helsinki |
| August | 8.5 · Excellent | 8.8 · Excellent | Oslo |
| September | 7.4 · Good | 8.2 · Good | Oslo |
| October | 3.0 · Poor | 3.4 · Poor | Oslo |
| November | 0.0 · Challenging | 0.3 · Challenging | Oslo |
| December | 0.0 · Challenging | 0.0 · Challenging | — |
More comparisons
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Frequently asked questions
Which has better weather, Helsinki or Oslo?
Oslo has the better travel weather in 7 of 12 months, versus 2 for Helsinki — based on temperature, rainfall and sunshine.
When is the best time to visit Helsinki?
The best months to visit Helsinki are June, based on six years of climate data.
When is the best time to visit Oslo?
The best months to visit Oslo are June–September, based on six years of climate data.
Where should you go next month?
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