Weather Comparison
Side-by-side weather comparison for January
| Metric | Galway | Dublin | Better |
|---|---|---|---|
| Average HighHigher is warmer | 8°C (46°F) | 8°C (46°F) | Tie |
| Average LowHigher is milder | 4°C (39°F) | 4°C (39°F) | Tie |
| Rain DaysFewer is drier | 16 days | 13 days▲ | Dublin |
| PrecipitationLess is drier | 102 mm | 70 mm▲ | Dublin |
| Sunshine HoursMore is sunnier | 4h/day | 4h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 1 | 1 | Tie |
| Wind SpeedCalmer is better | 25 km/h▲ | 27 km/h | Galway |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Dublin edges ahead as the better destination in January. Dublin offers 4 hours of daily sunshine with only 13 rain days, while Galway sees 4 sunshine hours and 16 rain days.
Galway is on the cooler side at 8°C, requiring warmer clothing. Dublin is cooler at 8°C.
For travelers who prioritize dry weather, Dublin is the stronger choice in January.
Galway reaches an average high of 8°C (46°F) and drops to 4°C (39°F) at night during January. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.
Dublin 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 January.
Galway receives approximately 102 mm of rainfall across 16 rain days during January. Rain is frequent, so waterproof gear is essential.
Dublin sees 70 mm over 13 rain days. That makes Dublin the drier option by 3 rain days and 32 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 8°C, lows of 4°C, 16 rain days
Highs of 8°C, lows of 4°C, 13 rain days
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 January.
The table below shows average high temperatures and rain days for every month. January is highlighted for quick reference.
| Month | Galway | Dublin | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 16d | 8°C | 13d |
| Feb | 9°C | 13d | 8°C | 12d |
| Mar | 10°C | 14d | 10°C | 12d |
| Apr | 12°C | 14d | 12°C | 14d |
| May | 15°C | 14d | 15°C | 14d |
| Jun | 17°C | 14d | 17°C | 13d |
| Jul | 18°C | 15d | 19°C | 15d |
| Aug | 18°C | 15d | 19°C | 14d |
| Sep | 16°C | 13d | 17°C | 12d |
| Oct | 13°C | 15d | 13°C | 12d |
| Nov | 10°C | 15d | 10°C | 13d |
| Dec | 8°C | 16d | 8°C | 13d |
Galway Weather in January
Full forecast, packing tips, and activities
Dublin Weather in January
Full forecast, packing tips, and activities