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Weather Comparison

Tallinn vs Helsinki

Side-by-side weather comparison for October

Tallinn: 9°CHelsinki: 8°C82 km apart

October Weather: Tallinn vs Helsinki

MetricTallinnHelsinkiBetter
Average HighHigher is warmer9°C (48°F)8°C (46°F)Tallinn
Average LowHigher is milder5°C (41°F)4°C (39°F)Tallinn
Rain DaysFewer is drier13 days12 daysHelsinki
PrecipitationLess is drier64 mm63 mmHelsinki
Sunshine HoursMore is sunnier5h/day5h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better23 km/h20 km/hHelsinki

Which City is Better in October?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Helsinki edges ahead as the better destination in October. Helsinki offers 5 hours of daily sunshine with only 12 rain days, while Tallinn sees 5 sunshine hours and 13 rain days.

Tallinn is on the cooler side at 9°C, requiring warmer clothing. Helsinki is cooler at 8°C.

For travelers who prioritize dry weather, Helsinki is the stronger choice in October.

Temperature Comparison in October

Tallinn reaches an average high of 9°C (48°F) and drops to 5°C (41°F) at night during October. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.

Helsinki averages 8°C (46°F) for the high and 4°C (39°F) for the low, with a daily range of 4°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 October.

Rainfall Comparison in October

Tallinn receives approximately 64 mm of rainfall across 13 rain days during October. You can expect rain roughly every other day.

Helsinki sees 63 mm over 12 rain days. That makes Helsinki the drier option by 1 rain day and 1 mm of total precipitation.

Both cities share similar humidity levels at 65%.

What to Pack: Tallinn vs Helsinki

Packing for Tallinn in October

Highs of 9°C, lows of 5°C, 13 rain days

  • heavy winter coat
  • thermal base layers
  • warm gloves and hat
  • insulated boots
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • a warm scarf

Packing for Helsinki in October

Highs of 8°C, lows of 4°C, 12 rain days

  • heavy winter coat
  • thermal base layers
  • warm gloves and hat
  • insulated boots
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • a warm scarf

Pack for both: heavy winter coat, thermal base layers, warm gloves and hat, insulated boots, waterproof jacket, compact umbrella, waterproof shoes, a warm scarf. These items are useful in either destination during October.

Year-Round Comparison: Tallinn vs Helsinki

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.October is highlighted for quick reference.

MonthTallinnHelsinki
HighRainHighRain
Jan-1°C11d-2°C11d
Feb-2°C9d-3°C9d
Mar2°C9d1°C9d
Apr9°C9d7°C9d
May15°C9d13°C9d
Jun19°C11d17°C12d
Jul21°C12d21°C12d
Aug20°C14d20°C12d
Sep15°C12d15°C10d
Oct9°C13d8°C12d
Nov4°C11d3°C12d
Dec1°C12d0°C12d
9°

Tallinn Weather in October

Full forecast, packing tips, and activities

8°

Helsinki Weather in October

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Tallinn warmer than Helsinki in October?
Yes. In October, Tallinn is warmer with an average high of 9°C (48°F) compared to Helsinki at 8°C (46°F), a difference of 1°C.
Which city gets more rain in October, Tallinn or Helsinki?
Tallinn gets more rain in October with 13 rain days and 64 mm of precipitation. Helsinki is the drier option with 12 rain days.
Is it better to visit Tallinn or Helsinki in October?
It depends on your preferences. Tallinn averages 9°C and 5 hours of daily sunshine with 13 rain days. Helsinki averages 8°C with 5 sunshine hours and 12 rain days. If you prefer warmer weather, choose Tallinn. For fewer rain days, Helsinki is the better pick.
How far apart are Tallinn and Helsinki?
Tallinn and Helsinki are approximately 82 km (51 miles) apart. Tallinn is located in Estonia (Europe) while Helsinki is in Finland (Europe).
What is the best month to visit Tallinn and Helsinki?
For Tallinn, July tends to be the best month with 14 hours of daily sunshine and a high of 21°C. For Helsinki, June is typically ideal with 13 sunshine hours and 17°C highs.

Compare Tallinn and Helsinki 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.

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