Galway Climate by Month
Galway, Connacht, Ireland
Cool summers and cool winters, with rain spread through the year.
Cool summers and cool winters, with rain spread through the year: that's Galway's climate in short. July is the warmest month, with highs around 65°F (19°C); January is the coolest at 48°F (9°C), and nights dip to 38°F (4°C). About 46 in (1168 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 83% relative humidity.
- Warmest month
- 65°F(19°C)
- Average high, July
- Coldest nights
- 38°F(4°C)
- Average low, January
- Rain per year
- 46 in(1168 mm)
- No clear rainy season
- Humidity
- 83%
- Sunniest: June
Best and worst months in Galway
Best for weatherJune to August are the best time for weather in Galway: highs near 65°F (18°C) and about 3.6 in (92 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 48°F (9°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Galway weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 48°F(9°C) | 38°F(4°C) | 4.4 in(112 mm) | 85% | 0.6 |
| FebFebruary | 48°F(9°C) | 38°F(4°C) | 3.5 in(90 mm) | 84% | 1.3 |
| MarMarch | 51°F(10°C) | 40°F(4°C) | 3.0 in(76 mm) | 78% | 2.3 |
| AprApril | 55°F(13°C) | 42°F(6°C) | 2.8 in(72 mm) | 77% | 3.9 |
| MayMay | 60°F(16°C) | 47°F(8°C) | 3.0 in(75 mm) | 79% | 4.8 |
| JunJuneBest | 64°F(18°C) | 51°F(11°C) | 3.3 in(83 mm) | 80% | 5.1 |
| JulJulyBest | 65°F(19°C) | 55°F(13°C) | 3.6 in(91 mm) | 79% | 4.4 |
| AugAugustBest | 65°F(19°C) | 55°F(13°C) | 4.1 in(103 mm) | 85% | 3.8 |
| SepSeptember | 63°F(17°C) | 51°F(11°C) | 3.8 in(97 mm) | 82% | 2.8 |
| OctOctober | 57°F(14°C) | 46°F(8°C) | 4.5 in(115 mm) | 84% | 1.6 |
| NovNovember | 52°F(11°C) | 42°F(6°C) | 5.3 in(134 mm) | 92% | 0.8 |
| DecDecember | 48°F(9°C) | 39°F(4°C) | 4.7 in(120 mm) | 94% | 0.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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