Weather Comparison
Side-by-side weather comparison for January
| Metric | Vienna | Zagreb | Better |
|---|---|---|---|
| Average HighHigher is warmer | 3°C (37°F) | 5°C (41°F)▲ | Zagreb |
| Average LowHigher is milder | -3°C (27°F) | -2°C (28°F)▲ | Zagreb |
| Rain DaysFewer is drier | 8 days▲ | 9 days | Vienna |
| PrecipitationLess is drier | 35 mm▲ | 51 mm | Vienna |
| Sunshine HoursMore is sunnier | 5h/day | 5h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 1 | 1 | Tie |
| Wind SpeedCalmer is better | 20 km/h | 11 km/h▲ | Zagreb |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Vienna edges ahead as the better destination in January. Vienna offers 5 hours of daily sunshine with only 8 rain days, while Zagreb sees 5 sunshine hours and 9 rain days.
Vienna is on the cooler side at 3°C, requiring warmer clothing. Zagreb is cooler at 5°C.
For travelers who prioritize dry weather, Vienna is the stronger choice in January.
Vienna reaches an average high of 3°C (37°F) and drops to -3°C (27°F) at night during January. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Zagreb averages 5°C (41°F) for the high and -2°C (28°F) for the low, with a daily range of 7°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 January.
Vienna receives approximately 35 mm of rainfall across 8 rain days during January. You can expect rain roughly every other day.
Zagreb sees 51 mm over 9 rain days. That makes Vienna the drier option by 1 rain day and 16 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 3°C, lows of -3°C, 8 rain days
Highs of 5°C, lows of -2°C, 9 rain days
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 January.
The table below shows average high temperatures and rain days for every month. January is highlighted for quick reference.
| Month | Vienna | Zagreb | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 3°C | 8d | 5°C | 9d |
| Feb | 6°C | 8d | 7°C | 8d |
| Mar | 10°C | 10d | 12°C | 10d |
| Apr | 16°C | 9d | 17°C | 10d |
| May | 20°C | 12d | 21°C | 12d |
| Jun | 24°C | 12d | 25°C | 11d |
| Jul | 26°C | 12d | 27°C | 10d |
| Aug | 26°C | 10d | 27°C | 9d |
| Sep | 20°C | 9d | 22°C | 10d |
| Oct | 15°C | 9d | 16°C | 9d |
| Nov | 9°C | 9d | 10°C | 10d |
| Dec | 4°C | 9d | 5°C | 10d |
Vienna Weather in January
Full forecast, packing tips, and activities
Zagreb Weather in January
Full forecast, packing tips, and activities