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Best time to visit · Ireland
May – September are the best time to visit Connemara on the climate data: June scores 69/100, with highs around 60°F (15°C) and 3.7 in (95 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cloud cover.
Highs run from 47°F to 62°F across the year, and the yearly total is about 55.1 in (1400 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 48°F9°C | 47°F8°C | 48°F9°C | 52°F11°C | 56°F13°C | 60°F15°C | 62°F17°C | 62°F17°C | 60°F16°C | 56°F13°C | 51°F11°C | 49°F9°C |
| Avg low | 43°F6°C | 42°F6°C | 42°F6°C | 45°F7°C | 49°F9°C | 53°F12°C | 56°F13°C | 56°F14°C | 54°F12°C | 51°F10°C | 47°F8°C | 44°F7°C |
| Rain | 5.6 in143 mm | 4.4 in112 mm | 3.9 in100 mm | 3.1 in79 mm | 3.6 in92 mm | 3.7 in95 mm | 4.4 in113 mm | 4.8 in122 mm | 4.4 in112 mm | 5.1 in129 mm | 5.9 in151 mm | 6.0 in152 mm |
| Humidity | 87% | 86% | 85% | 85% | 84% | 84% | 86% | 86% | 86% | 86% | 86% | 87% |
| Cloud | 89% | 87% | 84% | 80% | 79% | 80% | 85% | 84% | 82% | 83% | 88% | 88% |
| Comfort | 40 | 43 | 48 | 57 | 63 | 69 | 68 | 68 | 67 | 58 | 46 | 41 |
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 49 m (161 ft), close to Connemara's own ~23 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 47–49°F (8–9°C) and lows down to 42°F (6°C). It's the wettest season, with about 16.0 in (407 mm) of rain, 29% of the year's total. It holds the toughest stretch on our comfort score (December – February), averaging 41/100.
Temperatures climb through the season, from 48°F highs in March to 56°F by May. It's the driest season, with only about 10.7 in (271 mm) of rain, 19% of the year's total. Lows bottom out around 42°F (6°C). Comfort peaks here: May ranks with the year's best, and the season averages 56/100.
Peak warmth: highs of 60–62°F (15–17°C). About 13.0 in (330 mm) of rain falls across these months, 24% of the year's total. Lows bottom out around 53°F (12°C). June – August are among the best-scoring months (season average 68/100).
Temperatures slide from 60°F highs in September to 51°F by November. About 15.4 in (392 mm) of rain falls across these months, 28% of the year's total. Lows bottom out around 47°F (8°C). Comfort peaks here: September ranks with the year's best, and the season averages 57/100.
By comfort score: 5 Good, 4 Fair and 3 Tough. Tap a month for its own guide.
May – September are the best time to visit Connemara on the climate data: June scores 69/100, with highs around 60°F (15°C) and 3.7 in (95 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cloud cover.
December is the wettest month, averaging about 6.0 in (152 mm) of rain. April is the driest, with about 3.1 in (79 mm). The yearly total is around 55.1 in (1400 mm).
February is the coldest, with average lows of 42°F (6°C) and highs of 47°F (8°C). The warmest is August, with average highs of 62°F (17°C).
Not very: summer (June – August) humidity averages 85%, and highs peak around 62°F (17°C), so it rarely feels sticky.
The wettest three-month stretch is November – January, with about 17.6 in (446 mm) of rain combined. The driest stretch is April – June, with about 10.5 in (266 mm).
Poll the group on May – September dates, then plan the days, packing and costs together.
