Tallaght Climate by Month
Tallaght, Leinster, Ireland
Mild summers and cool winters, with rain spread through the year.
The climate in Tallaght is one of mild summers and cool winters, with rain spread through the year. Afternoon highs range from 46°F (8°C) in January to 67°F (19°C) in July, and January nights average 36°F (2°C). About 35 in (881 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 85% relative humidity.
- Warmest month
- 67°F(19°C)
- Average high, July
- Coldest nights
- 36°F(2°C)
- Average low, January
- Rain per year
- 35 in(881 mm)
- No clear rainy season
- Humidity
- 85%
- Sunniest: June
Best and worst months in Tallaght
Best for weatherThe most comfortable weather comes from June to August, with highs around 66°F (19°C) and about 2.9 in (73 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 47°F (8°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)
Tallaght weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 46°F(8°C) | 36°F(2°C) | 2.8 in(72 mm) | 92% | 0.7 |
| FebFebruary | 47°F(9°C) | 36°F(2°C) | 2.4 in(62 mm) | 90% | 1.3 |
| MarMarch | 50°F(10°C) | 37°F(3°C) | 2.2 in(55 mm) | 83% | 2.3 |
| AprApril | 54°F(12°C) | 40°F(4°C) | 2.4 in(61 mm) | 82% | 3.7 |
| MayMay | 59°F(15°C) | 44°F(6°C) | 2.4 in(61 mm) | 77% | 4.7 |
| JunJuneBest | 64°F(18°C) | 49°F(9°C) | 2.6 in(66 mm) | 77% | 5.0 |
| JulJulyBest | 67°F(19°C) | 52°F(11°C) | 2.8 in(71 mm) | 81% | 4.5 |
| AugAugustBest | 66°F(19°C) | 52°F(11°C) | 3.2 in(82 mm) | 82% | 3.8 |
| SepSeptember | 63°F(17°C) | 48°F(9°C) | 3.0 in(77 mm) | 87% | 2.8 |
| OctOctober | 57°F(14°C) | 44°F(7°C) | 3.6 in(91 mm) | 89% | 1.6 |
| NovNovember | 50°F(10°C) | 39°F(4°C) | 3.8 in(96 mm) | 90% | 0.8 |
| DecDecember | 47°F(8°C) | 36°F(2°C) | 3.4 in(87 mm) | 90% | 0.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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