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Best time to visit · Ireland
On the climate data, the best time to visit Dublin is June – September, scoring up to 79/100 with highs around 65°F (18°C) and 3.1 in (80 mm) of rain in July. April & May and October are good shoulder-season months. The toughest months are December – February, mainly because of cloud cover.
Highs run from 46°F to 65°F across the year, and the yearly total is about 38.7 in (982 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 46°F8°C | 46°F8°C | 48°F9°C | 52°F11°C | 57°F14°C | 62°F17°C | 65°F18°C | 64°F18°C | 61°F16°C | 56°F14°C | 51°F10°C | 47°F8°C |
| Avg low | 40°F4°C | 39°F4°C | 40°F4°C | 43°F6°C | 47°F8°C | 52°F11°C | 55°F13°C | 55°F13°C | 52°F11°C | 49°F9°C | 44°F7°C | 41°F5°C |
| Rain | 3.4 in86 mm | 2.8 in70 mm | 2.8 in70 mm | 2.4 in61 mm | 2.6 in67 mm | 3.0 in76 mm | 3.1 in80 mm | 3.6 in91 mm | 3.0 in76 mm | 4.0 in102 mm | 4.2 in106 mm | 3.8 in97 mm |
| Humidity | 91% | 90% | 88% | 86% | 84% | 84% | 85% | 86% | 87% | 88% | 90% | 91% |
| Cloud | 78% | 76% | 74% | 73% | 73% | 76% | 78% | 78% | 74% | 74% | 73% | 76% |
| Comfort | 48 | 50 | 54 | 62 | 70 | 76 | 79 | 78 | 76 | 64 | 55 | 49 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 46 m (151 ft), close to Dublin's own ~10 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs near 47°F (8°C) and lows down to 39°F (4°C). About 10.0 in (253 mm) of rain falls across these months, 26% of the year's total. It holds the toughest stretch on our comfort score (December – February), averaging 49/100.
Temperatures climb through the season, from 48°F highs in March to 57°F by May. It's the driest season, with only about 7.8 in (198 mm) of rain, 20% of the year's total. Lows bottom out around 40°F (4°C). April & May score well without being the very best (season average 62/100).
The warmest stretch of the year, with highs of 62–65°F (17–18°C). About 9.7 in (247 mm) of rain falls across these months, 25% of the year's total. Lows bottom out around 52°F (11°C). June – August are among the best-scoring months (season average 78/100).
Temperatures slide from 61°F highs in September to 51°F by November. It's the wettest season, with about 11.2 in (284 mm) of rain, 29% of the year's total. Lows bottom out around 44°F (7°C). Comfort peaks here: September ranks with the year's best, and the season averages 65/100.
By comfort score: 4 Great, 3 Good and 5 Fair. Great months: June – September. Tap a month for its own guide.
On the climate data, the best time to visit Dublin is June – September, scoring up to 79/100 with highs around 65°F (18°C) and 3.1 in (80 mm) of rain in July. April & May and October are good shoulder-season months. The toughest months are December – February, mainly because of cloud cover.
November is the wettest month, averaging about 4.2 in (106 mm) of rain. April is the driest, with about 2.4 in (61 mm). The yearly total is around 38.7 in (982 mm).
February is the coldest, with average lows of 39°F (4°C) and highs of 46°F (8°C). The warmest is July, with average highs of 65°F (18°C).
Not very: summer (June – August) humidity averages 85%, and highs peak around 65°F (18°C), so it rarely feels sticky.
Not on average: even in February, the coldest month, lows average 39°F (4°C). Individual cold snaps can still dip lower.
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