Climate averages 1991–2020
Galway weather
in March.
A cool, moderately wet month: the 9th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Galway: daytime highs average 9.9°C and nights cool to about 4.1°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 78 mm of rain on roughly 13 days, which makes March a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 49 min on an average March day.
The nearest other city in this atlas is Limerick (73 km away). In March its highs average 10.2°C, about as warm as Galway, with 76 mm of rain.
Among the 5 cities listed in Ireland, Galway ranks 3rd of 5 for the warmest March highs and 5th of 5 for the driest March (rainfall, lowest first). The mean March high of those 5 cities is 9.9°C; Galway is level with that mean.
From March to April, average highs rise by 2.3°C to 12.2°C, and monthly rainfall falls from 78 mm to 76 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Limerick in MarchIreland · 73 kmHigh 10.2°C · Low 4.0°C · 76 mm rain
- Cork in MarchIreland · 158 kmHigh 10.2°C · Low 5.0°C · 62 mm rain
- Tallaght in MarchIreland · 178 kmHigh 9.4°C · Low 3.6°C · 59 mm rain
- Dublin in MarchIreland · 186 kmHigh 9.8°C · Low 4.1°C · 59 mm rain
- Derry in MarchUnited Kingdom · 223 kmHigh 9.0°C · Low 3.7°C · 75 mm rain
- Lisburn in MarchUnited Kingdom · 242 kmHigh 9.0°C · Low 3.7°C · 62 mm rain
- Belfast in MarchUnited Kingdom · 252 kmHigh 9.1°C · Low 4.4°C · 62 mm rain
- Douglas in MarchIsle of Man · 316 kmHigh 8.1°C · Low 5.8°C · 70 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.