Weather Comparison
Helsinki vs Tallinn
Side-by-side weather comparison for April
April Weather: Helsinki vs Tallinn
| Metric | Helsinki | Tallinn | Better |
|---|---|---|---|
| Average HighHigher is warmer | 7°C (45°F) | 9°C (48°F)▲ | Tallinn |
| Average LowHigher is milder | 0°C (32°F) | 1°C (34°F)▲ | Tallinn |
| Rain DaysFewer is drier | 9 days | 9 days | Tie |
| PrecipitationLess is drier | 37 mm | 37 mm | Tie |
| Sunshine HoursMore is sunnier | 10h/day | 10h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 18 km/h▲ | 20 km/h | Helsinki |
Which City is Better in April?
Helsinki and Tallinn are closely matched in April. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Helsinki is on the cooler side at 7°C, requiring warmer clothing. Tallinn is cooler at 9°C.
For travelers who prioritize dry weather, both cities are equally dry in April.
Temperature Comparison in April
Helsinki reaches an average high of 7°C (45°F) and drops to 0°C (32°F) at night during April. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Tallinn averages 9°C (48°F) for the high and 1°C (34°F) for the low, with a daily range of 8°C. The 2°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in April.
Rainfall Comparison in April
Helsinki receives approximately 37 mm of rainfall across 9 rain days during April. You can expect rain roughly every other day.
Tallinn sees 37 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 Tallinn
Packing for Helsinki in April
Highs of 7°C, lows of 0°C, 9 rain days
- ✓heavy winter coat
- ✓thermal base layers
- ✓warm gloves and hat
- ✓insulated boots
- ✓a packable rain jacket
- ✓an umbrella
- ✓a warm scarf
Packing for Tallinn in April
Highs of 9°C, lows of 1°C, 9 rain days
- ✓heavy winter coat
- ✓thermal base layers
- ✓warm gloves and hat
- ✓insulated boots
- ✓a packable rain jacket
- ✓an umbrella
- ✓a warm scarf
Pack for both: heavy winter coat, thermal base layers, warm gloves and hat, insulated boots, a packable rain jacket, an umbrella, a warm scarf. These items are useful in either destination during April.
Year-Round Comparison: Helsinki vs Tallinn
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.April is highlighted for quick reference.
| Month | Helsinki | Tallinn | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | -2°C | 11d | -1°C | 11d |
| Feb | -3°C | 9d | -2°C | 9d |
| Mar | 1°C | 9d | 2°C | 9d |
| Apr | 7°C | 9d | 9°C | 9d |
| May | 13°C | 9d | 15°C | 9d |
| Jun | 17°C | 12d | 19°C | 11d |
| Jul | 21°C | 12d | 21°C | 12d |
| Aug | 20°C | 12d | 20°C | 14d |
| Sep | 15°C | 10d | 15°C | 12d |
| Oct | 8°C | 12d | 9°C | 13d |
| Nov | 3°C | 12d | 4°C | 11d |
| Dec | 0°C | 12d | 1°C | 12d |
Helsinki Weather in April
Full forecast, packing tips, and activities
Tallinn Weather in April
Full forecast, packing tips, and activities