Weather Comparison
Side-by-side weather comparison for January
| Metric | Zagreb | Vienna | Better |
|---|---|---|---|
| Average HighHigher is warmer | 5°C (41°F)▲ | 3°C (37°F) | Zagreb |
| Average LowHigher is milder | -2°C (28°F)▲ | -3°C (27°F) | Zagreb |
| Rain DaysFewer is drier | 9 days | 8 days▲ | Vienna |
| PrecipitationLess is drier | 51 mm | 35 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 | 11 km/h▲ | 20 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.
Zagreb is on the cooler side at 5°C, requiring warmer clothing. Vienna is cooler at 3°C.
For travelers who prioritize dry weather, Vienna is the stronger choice in January.
Zagreb reaches an average high of 5°C (41°F) and drops to -2°C (28°F) at night during January. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Vienna averages 3°C (37°F) for the high and -3°C (27°F) for the low, with a daily range of 6°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.
Zagreb receives approximately 51 mm of rainfall across 9 rain days during January. You can expect rain roughly every other day.
Vienna sees 35 mm over 8 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 5°C, lows of -2°C, 9 rain days
Highs of 3°C, lows of -3°C, 8 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 | Zagreb | Vienna | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 5°C | 9d | 3°C | 8d |
| Feb | 7°C | 8d | 6°C | 8d |
| Mar | 12°C | 10d | 10°C | 10d |
| Apr | 17°C | 10d | 16°C | 9d |
| May | 21°C | 12d | 20°C | 12d |
| Jun | 25°C | 11d | 24°C | 12d |
| Jul | 27°C | 10d | 26°C | 12d |
| Aug | 27°C | 9d | 26°C | 10d |
| Sep | 22°C | 10d | 20°C | 9d |
| Oct | 16°C | 9d | 15°C | 9d |
| Nov | 10°C | 10d | 9°C | 9d |
| Dec | 5°C | 10d | 4°C | 9d |
Zagreb Weather in January
Full forecast, packing tips, and activities
Vienna Weather in January
Full forecast, packing tips, and activities