Ireland
Galway in April: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Galway in April is climatically mixed. The average daily high is around 12 °C, and the sea is about 10 °C. With about 15 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
30/100 · #6
Warmth
#7
Dryness
#1
Sun
#4
Sea warmth
#9
Published best categories: none
Galway · AprilPhoto: Wolfgang Glock · CC BY-SA 3.0Climate facts
- Average high
- 12 °C
- Average low
- 5 °C
- Sea
- 10 °C
- Rainy days (est.)
- 15 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 84 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| March | 10 | 3 | 16 | 84 | 3.0 | 89 | 3.9 | 9 | 21 |
| April (selected) | 12 | 5 | 15 | 73 | 4.8 | 84 | 3.6 | 10 | 30 |
| May | 16 | 7 | 15 | 75 | 6.1 | 80 | 3.5 | 12 | 40 |
How do the previous and next months compare?
Baseline: April (30/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| March | -9 | -2.8 °C | -1.4 °C | +1.1 | +11.1 mm | -1.8 h | +5 % | +0.3 m/s | -1.2 °C |
| May | +10 | +3.3 °C | +2.5 °C | +0.3 | +1.6 mm | +1.3 h | -4.7 % | ±0 m/s | +1.9 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Galway in April?
The average daily high is around 12 °C, with an average daily low of about 5 °C.
Can you swim in Galway in April?
The sea is about 10 °C (cold).
Does it rain a lot in Galway in April?
The curated estimate is about 15 rainy days per month, not a directly measured long-term average. Total precipitation averages around 73 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.