Weather Comparison
Side-by-side weather comparison for December
| Metric | Dublin | Galway | 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 | 13 days▲ | 16 days | Dublin |
| PrecipitationLess is drier | 76 mm▲ | 108 mm | Dublin |
| Sunshine HoursMore is sunnier | 4h/day▲ | 3h/day | Dublin |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 1 | 1 | Tie |
| Wind SpeedCalmer is better | 26 km/h | 24 km/h▲ | Galway |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Dublin edges ahead as the better destination in December. Dublin offers 4 hours of daily sunshine with only 13 rain days, while Galway sees 3 sunshine hours and 16 rain days.
Dublin is on the cooler side at 8°C, requiring warmer clothing. Galway is cooler at 8°C.
For travelers who prioritize dry weather, Dublin is the stronger choice in December. Dublin receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Dublin reaches an average high of 8°C (46°F) and drops to 4°C (39°F) at night during December. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.
Galway 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 December.
Dublin receives approximately 76 mm of rainfall across 13 rain days during December. You can expect rain roughly every other day.
Galway sees 108 mm over 16 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, 13 rain days
Highs of 8°C, lows of 4°C, 16 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 December.
The table below shows average high temperatures and rain days for every month. December is highlighted for quick reference.
| Month | Dublin | Galway | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 13d | 8°C | 16d |
| Feb | 8°C | 12d | 9°C | 13d |
| Mar | 10°C | 12d | 10°C | 14d |
| Apr | 12°C | 14d | 12°C | 14d |
| May | 15°C | 14d | 15°C | 14d |
| Jun | 17°C | 13d | 17°C | 14d |
| Jul | 19°C | 15d | 18°C | 15d |
| Aug | 19°C | 14d | 18°C | 15d |
| Sep | 17°C | 12d | 16°C | 13d |
| Oct | 13°C | 12d | 13°C | 15d |
| Nov | 10°C | 13d | 10°C | 15d |
| Dec | 8°C | 13d | 8°C | 16d |
Dublin Weather in December
Full forecast, packing tips, and activities
Galway Weather in December
Full forecast, packing tips, and activities