Ireland
Galway in July: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Galway in July is climatically well suited to city breaks. The average daily high is around 20 °C, and the sea is about 16 °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
48/100 · #1
Warmth
#1
Dryness
#10
Sun
#3
Sea warmth
#2
Published best categories: City break, Active
Galway · JulyPhoto: Wolfgang Glock · CC BY-SA 3.0Climate facts
- Average high
- 20 °C
- Average low
- 11 °C
- Sea
- 16 °C
- Rainy days (est.)
- 19 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 80 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| June | 18 | 10 | 16 | 84 | 6.2 | 78 | 3.5 | 14 | 47 |
| July (selected) | 20 | 11 | 19 | 94 | 5.6 | 80 | 3.3 | 16 | 48 |
| August | 19 | 11 | 18 | 103 | 4.8 | 83 | 3.3 | 16 | 47 |
How do the previous and next months compare?
Baseline: July (48/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| June | -1 | -1.4 °C | -1.7 °C | -2.9 | -10.1 mm | +0.6 h | -2.1 % | +0.2 m/s | -1.6 °C |
| August | -1 | -0.5 °C | -0.1 °C | -0.6 | +8.7 mm | -0.8 h | +2.4 % | ±0 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 July?
The average daily high is around 20 °C, with an average daily low of about 11 °C.
Can you swim in Galway in July?
The sea is about 16 °C (cold).
Does it rain a lot in Galway in July?
The curated estimate is about 19 rainy days per month, not a directly measured long-term average. Total precipitation averages around 94 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.