Ireland
Galway in March: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Galway in March is climatically mixed. The average daily high is around 10 °C, and the sea is about 9 °C. With about 16 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
21/100 · #8
Warmth
#8
Dryness
#4
Sun
#7
Sea warmth
#11
Published best categories: none
Galway · MarchPhoto: Wolfgang Glock · CC BY-SA 3.0Climate facts
- Average high
- 10 °C
- Average low
- 3 °C
- Sea
- 9 °C
- Rainy days (est.)
- 16 rainy days (est.)
- Sun (est.)
- 3 h/day
- Humidity
- 89 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| February | 8 | 3 | 16 | 88 | 1.7 | 92 | 4.1 | 9 | 17 |
| March (selected) | 10 | 3 | 16 | 84 | 3.0 | 89 | 3.9 | 9 | 21 |
| April | 12 | 5 | 15 | 73 | 4.8 | 84 | 3.6 | 10 | 30 |
How do the previous and next months compare?
Baseline: March (21/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| February | -4 | -1.8 °C | -0.5 °C | ±0 | +4.1 mm | -1.3 h | +3.2 % | +0.3 m/s | -0.2 °C |
| April | +9 | +2.8 °C | +1.4 °C | -1.1 | -11.1 mm | +1.8 h | -5 % | -0.3 m/s | +1.2 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Galway in March?
The average daily high is around 10 °C, with an average daily low of about 3 °C.
Can you swim in Galway in March?
The sea is about 9 °C (cold).
Does it rain a lot in Galway in March?
The curated estimate is about 16 rainy days per month, not a directly measured long-term average. Total precipitation averages around 84 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.