Weather Comparison
Helsinki vs Stockholm
Side-by-side weather comparison for May
May Weather: Helsinki vs Stockholm
| Metric | Helsinki | Stockholm | Better |
|---|---|---|---|
| Average HighHigher is warmer | 13°C (55°F) | 14°C (57°F)▲ | Stockholm |
| Average LowHigher is milder | 6°C (43°F) | 6°C (43°F) | Tie |
| Rain DaysFewer is drier | 9 days | 9 days | Tie |
| PrecipitationLess is drier | 44 mm | 43 mm▲ | Stockholm |
| Sunshine HoursMore is sunnier | 12h/day | 13h/day▲ | Stockholm |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 10 | 10 | Tie |
| Wind SpeedCalmer is better | 18 km/h | 17 km/h▲ | Stockholm |
Which City is Better in May?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Stockholm edges ahead as the better destination in May. Stockholm offers 13 hours of daily sunshine with only 9 rain days, while Helsinki sees 12 sunshine hours and 9 rain days.
Helsinki is on the cooler side at 13°C, requiring warmer clothing. Stockholm is cooler at 14°C.
For travelers who prioritize dry weather, both cities are equally dry in May. Stockholm receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in May
Helsinki reaches an average high of 13°C (55°F) and drops to 6°C (43°F) at night during May. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Stockholm averages 14°C (57°F) for the high and 6°C (43°F) for the low, with a daily range of 8°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.
Rainfall Comparison in May
Helsinki receives approximately 44 mm of rainfall across 9 rain days during May. You can expect rain roughly every other day.
Stockholm sees 43 mm over 9 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
What to Pack: Helsinki vs Stockholm
Packing for Helsinki in May
Highs of 13°C, lows of 6°C, 9 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓a packable rain jacket
- ✓an umbrella
Packing for Stockholm in May
Highs of 14°C, lows of 6°C, 9 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓a packable rain jacket
- ✓an umbrella
Pack for both: warm layers, a mid-weight jacket, long trousers, a packable rain jacket, an umbrella. These items are useful in either destination during May.
Year-Round Comparison: Helsinki vs Stockholm
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.May is highlighted for quick reference.
| Month | Helsinki | Stockholm | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | -2°C | 11d | 0°C | 8d |
| Feb | -3°C | 9d | 1°C | 8d |
| Mar | 1°C | 9d | 4°C | 8d |
| Apr | 7°C | 9d | 9°C | 8d |
| May | 13°C | 9d | 14°C | 9d |
| Jun | 17°C | 12d | 18°C | 11d |
| Jul | 21°C | 12d | 21°C | 11d |
| Aug | 20°C | 12d | 20°C | 12d |
| Sep | 15°C | 10d | 16°C | 8d |
| Oct | 8°C | 12d | 9°C | 10d |
| Nov | 3°C | 12d | 5°C | 10d |
| Dec | 0°C | 12d | 2°C | 10d |
Helsinki Weather in May
Full forecast, packing tips, and activities
Stockholm Weather in May
Full forecast, packing tips, and activities