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Weather Comparison

Helsinki vs Tallinn

Side-by-side weather comparison for April

Helsinki: 7°CTallinn: 9°C82 km apart

April Weather: Helsinki vs Tallinn

MetricHelsinkiTallinnBetter
Average HighHigher is warmer7°C (45°F)9°C (48°F)Tallinn
Average LowHigher is milder0°C (32°F)1°C (34°F)Tallinn
Rain DaysFewer is drier9 days9 daysTie
PrecipitationLess is drier37 mm37 mmTie
Sunshine HoursMore is sunnier10h/day10h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better18 km/h20 km/hHelsinki

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.

MonthHelsinkiTallinn
HighRainHighRain
Jan-2°C11d-1°C11d
Feb-3°C9d-2°C9d
Mar1°C9d2°C9d
Apr7°C9d9°C9d
May13°C9d15°C9d
Jun17°C12d19°C11d
Jul21°C12d21°C12d
Aug20°C12d20°C14d
Sep15°C10d15°C12d
Oct8°C12d9°C13d
Nov3°C12d4°C11d
Dec0°C12d1°C12d
7°

Helsinki Weather in April

Full forecast, packing tips, and activities

9°

Tallinn Weather in April

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Helsinki warmer than Tallinn in April?
No. In April, Tallinn is warmer with an average high of 9°C (48°F) compared to Helsinki at 7°C (45°F), a difference of 2°C.
Which city gets more rain in April, Helsinki or Tallinn?
Both cities average 9 rain days in April with similar precipitation levels.
Is it better to visit Helsinki or Tallinn in April?
It depends on your preferences. Helsinki averages 7°C and 10 hours of daily sunshine with 9 rain days. Tallinn averages 9°C with 10 sunshine hours and 9 rain days. If you prefer cooler conditions, choose Tallinn. For fewer rain days, both are equal.
How far apart are Helsinki and Tallinn?
Helsinki and Tallinn are approximately 82 km (51 miles) apart. Helsinki is located in Finland (Europe) while Tallinn is in Estonia (Europe).
What is the best month to visit Helsinki and Tallinn?
For Helsinki, June tends to be the best month with 13 hours of daily sunshine and a high of 17°C. For Tallinn, July is typically ideal with 14 sunshine hours and 21°C highs.

Compare Helsinki and Tallinn in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Helsinki coordinates: 60.17°N, 24.94°E | Tallinn coordinates: 59.44°N, 24.75°E