Climate averages 1991–2020
Galway weather
in June.
A mild, moderately wet month: the 3rd warmest and the joint 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Galway: daytime highs average 16.9°C and nights cool to about 10.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 79 mm of rain on roughly 13 days, which makes June a moderately wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 53 min on an average June day.
The nearest other city in this atlas is Limerick (73 km away). In June its highs average 17.5°C, 0.6°C warmer than Galway, with 77 mm of rain.
Among the 5 cities listed in Ireland, Galway ranks 5th of 5 for the warmest June highs and 5th of 5 for the driest June (rainfall, lowest first). The mean June high of those 5 cities is 17.2°C; Galway is 0.3°C cooler than that mean.
From June to July, average highs rise by 1.1°C to 18.0°C, and monthly rainfall rises from 79 mm to 83 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Galway climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.0°C3.8°C | 3.8°C | 99 | 15.4 | 8.18 h |
| February | 8.5°C3.5°C | 3.5°C | 85 | 13.0 | 9.810 h |
| March | 9.9°C4.1°C | 4.1°C | 78 | 13.3 | 11.812 h |
| April | 12.2°C5.5°C | 5.5°C | 76 | 13.7 | 13.914 h |
| May | 14.8°C8.2°C | 8.2°C | 79 | 13.5 | 15.816 h |
| June, selected | 16.9°C10.6°C | 10.6°C | 79 | 12.9 | 16.917 h |
| July | 18.0°C12.3°C | 12.3°C | 83 | 14.5 | 16.416 h |
| August | 17.8°C12.2°C | 12.2°C | 91 | 14.0 | 14.815 h |
| September | 16.2°C10.8°C | 10.8°C | 75 | 12.3 | 12.713 h |
| October | 13.1°C8.3°C | 8.3°C | 95 | 14.0 | 10.611 h |
| November | 10.2°C5.8°C | 5.8°C | 101 | 14.3 | 8.79 h |
| December | 8.3°C4.1°C | 4.1°C | 104 | 15.2 | 7.68 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Limerick in JuneIreland · 73 kmHigh 17.5°C · Low 10.9°C · 77 mm rain
- Cork in JuneIreland · 158 kmHigh 17.2°C · Low 11.4°C · 64 mm rain
- Tallaght in JuneIreland · 178 kmHigh 17.0°C · Low 10.6°C · 73 mm rain
- Dublin in JuneIreland · 186 kmHigh 17.3°C · Low 11.1°C · 73 mm rain
- Derry in JuneUnited Kingdom · 223 kmHigh 15.9°C · Low 10.2°C · 87 mm rain
- Lisburn in JuneUnited Kingdom · 242 kmHigh 16.2°C · Low 10.4°C · 75 mm rain
- Belfast in JuneUnited Kingdom · 252 kmHigh 15.9°C · Low 10.9°C · 75 mm rain
- Douglas in JuneIsle of Man · 316 kmHigh 13.8°C · Low 11.7°C · 64 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Galway) is explained once on the Galway year overview and on the Sources, method and limits page.