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Weather Comparison

Bucharest vs Istanbul

Side-by-side weather comparison for January

Bucharest: 3°CIstanbul: 8°C447 km apart

January Weather: Bucharest vs Istanbul

MetricBucharestIstanbulBetter
Average HighHigher is warmer3°C (37°F)8°C (46°F)Istanbul
Average LowHigher is milder-5°C (23°F)4°C (39°F)Istanbul
Rain DaysFewer is drier7 days13 daysBucharest
PrecipitationLess is drier39 mm85 mmBucharest
Sunshine HoursMore is sunnier5h/day6h/dayIstanbul
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer11Tie
Wind SpeedCalmer is better15 km/h23 km/hBucharest

Which City is Better in January?

Bucharest and Istanbul are closely matched in January. 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.

Bucharest is on the cooler side at 3°C, requiring warmer clothing. Istanbul is cooler at 8°C.

For travelers who prioritize dry weather, Bucharest is the stronger choice in January. Istanbul receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in January

Bucharest reaches an average high of 3°C (37°F) and drops to -5°C (23°F) at night during January. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Istanbul averages 8°C (46°F) for the high and 4°C (39°F) for the low, with a daily range of 4°C. There is a notable 5°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in January.

Rainfall Comparison in January

Bucharest receives approximately 39 mm of rainfall across 7 rain days during January. Rain is occasional, so a light rain jacket should suffice.

Istanbul sees 85 mm over 13 rain days. That makes Bucharest the drier option by 6 rain days and 46 mm of total precipitation.

Both cities share similar humidity levels at 65%.

What to Pack: Bucharest vs Istanbul

Packing for Bucharest in January

Highs of 3°C, lows of -5°C, 7 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 Istanbul in January

Highs of 8°C, lows of 4°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

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

Year-Round Comparison: Bucharest vs Istanbul

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.January is highlighted for quick reference.

MonthBucharestIstanbul
HighRainHighRain
Jan3°C7d8°C13d
Feb6°C6d9°C12d
Mar11°C8d11°C11d
Apr17°C9d15°C8d
May23°C11d20°C6d
Jun26°C12d25°C6d
Jul29°C10d28°C4d
Aug29°C7d28°C3d
Sep23°C7d24°C7d
Oct17°C7d19°C9d
Nov10°C7d14°C10d
Dec4°C7d10°C13d
3°

Bucharest Weather in January

Full forecast, packing tips, and activities

8°

Istanbul Weather in January

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Bucharest warmer than Istanbul in January?
No. In January, Istanbul is warmer with an average high of 8°C (46°F) compared to Bucharest at 3°C (37°F), a difference of 5°C.
Which city gets more rain in January, Bucharest or Istanbul?
Istanbul gets more rain in January with 13 rain days and 85 mm of precipitation. Bucharest is the drier option with 7 rain days.
Is it better to visit Bucharest or Istanbul in January?
It depends on your preferences. Bucharest averages 3°C and 5 hours of daily sunshine with 7 rain days. Istanbul averages 8°C with 6 sunshine hours and 13 rain days. If you prefer cooler conditions, choose Istanbul. For drier weather, Bucharest is the better pick.
How far apart are Bucharest and Istanbul?
Bucharest and Istanbul are approximately 447 km (278 miles) apart. Bucharest is located in Romania (Europe) while Istanbul is in Turkey (Europe).
What is the best month to visit Bucharest and Istanbul?
For Bucharest, July tends to be the best month with 13 hours of daily sunshine and a high of 29°C. For Istanbul, July is typically ideal with 14 sunshine hours and 28°C highs.

Compare Bucharest and Istanbul 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.

Bucharest coordinates: 44.43°N, 26.10°E | Istanbul coordinates: 41.01°N, 28.98°E