Weather in Galway in July
Ireland · 20-year averages, July
A good month. July is a solid month to be in Galway. You should expect rain on 20 days of the month, which is more days wet than dry.
July ranks 2 of 12 in Galway. Only June scores clearly higher, and the difference is small enough to be settled by price rather than weather.
Rain on 20 of the month's 31 days, 2 of them heavy. At that frequency a wet-weather backup is not a contingency, it is the itinerary — book the indoor things first and treat the clear days as the bonus. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.
What the averages hide
Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average July reaches 30 °C. Across the twenty years measured, the hottest July day reached 30.2 °C and the coldest night fell to 6.1 °C.
July is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest July on record still delivered 155 mm against 57 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 97 mm average is a reasonable planning figure, not a promise.
Wind is light at 11.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 81%, high enough to notice on the warm days without dominating them.
How July sits in the year
Temperatures hold steady either side: 18.6 °C in June, 19.8 here, 19.1 in August. Nothing about the timing within the month matters much.
Daylight in July
July is at or near the longest days of Galway's year: 16.5 hours of daylight, losing 1.1 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.
An inland climate
Despite being inland, the year stays fairly even: 17.1 °C between the year's warmest afternoons and coldest nights.
How busy it gets
Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, April is the trade worth considering — 14 points weaker on weather, and materially quieter.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
July in Galway versus nearby
If Galway is one option among several, the nearby comparison is worth making. Cork is close enough to be a coin toss — within a degree on temperature, 2 days less rain. Dublin is close enough to be a coin toss — within a degree on temperature, 3 days less rain.
So: July is effectively as good as it gets here — 1 points behind June, which is inside the margin where the weather stops being the deciding factor and price starts being it.
Every month in Galway
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 7.5 | 3 | 20 | 108 | 94 | 8 | 25 |
| February | 7.9 | 2.7 | 16 | 84 | 93 | 9.8 | 33 |
| March | 9.7 | 3.1 | 16 | 81 | 89 | 11.8 | 39 |
| April | 12.9 | 4.8 | 14 | 68 | 84 | 13.9 | 52 |
| May | 15.8 | 7.4 | 17 | 81 | 80 | 15.8 | 57 |
| June | 18.6 | 10 | 17 | 89 | 78 | 16.9 | 66 |
| July | 19.8 | 11.5 | 20 | 97 | 81 | 16.5 | 65 |
| August | 19.1 | 11.4 | 20 | 105 | 83 | 14.9 | 62 |
| September | 17.3 | 10 | 16 | 86 | 86 | 12.8 | 63 |
| October | 13.6 | 7.6 | 19 | 104 | 90 | 10.7 | 46 |
| November | 9.9 | 5.1 | 19 | 118 | 94 | 8.7 | 33 |
| December | 7.8 | 3.5 | 19 | 113 | 95 | 7.6 | 26 |
See all twelve months in Galway, or where else to go in July.
Planning the rest of the trip
- Flight time to Galway how long you are actually in the air
- Galway time zone and the difference from home
- Days until your trip count down to the departure date