Ireland
Galway in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Galway in January is climatically mixed. The average daily high is around 7 °C, and the sea is about 9 °C. With about 19 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
13/100 · #11
Warmth
#12
Dryness
#8
Sun
#11
Sea warmth
#10
Published best categories: none
Galway · JanuaryPhoto: Wolfgang Glock · CC BY-SA 3.0Climate facts
- Average high
- 7 °C
- Average low
- 3 °C
- Sea
- 9 °C
- Rainy days (est.)
- 19 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 94 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| December | 7 | 3 | 19 | 116 | 0.6 | 95 | 3.8 | 10 | 12 |
| January (selected) | 7 | 3 | 19 | 105 | 0.8 | 94 | 4.0 | 9 | 13 |
| February | 8 | 3 | 16 | 88 | 1.7 | 92 | 4.1 | 9 | 17 |
How do the previous and next months compare?
Baseline: January (13/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| December | -1 | +0.3 °C | +0.6 °C | +0.9 | +10.5 mm | -0.2 h | +0.8 % | -0.1 m/s | +1.2 °C |
| February | +4 | +0.8 °C | +0.2 °C | -2.2 | -17 mm | +0.9 h | -1.4 % | +0.2 m/s | -0.5 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Galway in January?
The average daily high is around 7 °C, with an average daily low of about 3 °C.
Can you swim in Galway in January?
The sea is about 9 °C (cold).
Does it rain a lot in Galway in January?
The curated estimate is about 19 rainy days per month, not a directly measured long-term average. Total precipitation averages around 105 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Galway?
No month in Galway reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.