Europe › Ireland › Dublin
30-year normals (1991-2020)
Dublin has a oceanic/humid subtropical climate, classified as Cfb in the Köppen system. The warmest month is July with an average high of 19°C, while the coldest month is February with lows dropping to 3°C. The annual temperature range of 16°C reflects moderate seasonal variation.
The driest month is October with only 12 rain days and 78mm of precipitation. For travellers, October through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 65% to 65% throughout the year.
Based on temperature and rainfall data, the best months to visit Dublin are May, June, July. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
19°C
July
Coldest Month
3°C
February
Driest Month
12 days
October
Annual Range
16°C
3° to 19°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 8°C | 4°C | 13 | 4h | View |
| February | 8°C | 3°C | 12 | 6h | View |
| March | 10°C | 4°C | 12 | 8h | View |
| April | 12°C | 6°C | 14 | 10h | View |
| May | 15°C | 8°C | 14 | 11h | View |
| June | 17°C | 11°C | 13 | 11h | View |
| July | 19°C | 13°C | 15 | 10h | View |
| August | 19°C | 13°C | 14 | 10h | View |
| September | 17°C | 11°C | 12 | 8h | View |
| October | 13°C | 9°C | 12 | 6h | View |
| November | 10°C | 6°C | 13 | 5h | View |
| December | 8°C | 4°C | 13 | 4h | View |
January
13 rain days, 4h sun
February
12 rain days, 6h sun
March
12 rain days, 8h sun
April
14 rain days, 10h sun
May
14 rain days, 11h sun
June
13 rain days, 11h sun
July
15 rain days, 10h sun
August
14 rain days, 10h sun
September
12 rain days, 8h sun
October
12 rain days, 6h sun
November
13 rain days, 5h sun
December
13 rain days, 4h sun
Dublin in July
Data Sources for Dublin
Climate normals represent 30-year averages (1991-2020). Individual years may vary.