Connemara Tours

Connemara Weather

Rain falls in Connemara on about 200 days a year, and almost everything you come for is outdoors. The weather will not stop your day, but it will shape it. Choosing a Connemara tour? Pick your month here first.

What the weather does to a Connemara day

A pine-covered island in a dark lough under fast-moving cloud, mountains on the horizon
A pine-covered island in a dark lough under fast-moving cloud, mountains on the horizon

A day in Connemara is trails, viewpoints, a sheepdog field and a long drive. Only Kylemore’s rooms and church, and the park’s visitor centre, keep you dry. So the weather decides how your day feels, and sometimes where it goes.

Rain is the rule. Met Éireann’s station at Belmullet, the nearest on this Atlantic coast, records about 1,242 mm a year, with 1 mm or more on around 200 days. The mountains of Connemara are likely wetter still. The figures below are Belmullet’s averages for 1991 to 2020.

Some weather closes things. The national park shuts its grounds during orange and red weather warnings. Where a fare needs good weather and the operator cancels, you are offered a different date or a full refund.

On a choice day, the weather helps you pick. In heavy rain, take Kylemore, where the rooms and the church are indoors. On a clear day, take the park and the summit of Diamond Hill.

Connemara month by month

Connemara weather in January

Highs average 8.9 °C and lows 3.9 °C. About 136.9 mm of rain falls, on 20 days. The sun shows for 1.4 hours a day. Gales blow on about six days, the most of the year. Aughnanure Castle is shut until late February.

Connemara weather in February

Highs average 9.2 °C and lows 3.9 °C. About 109.9 mm of rain falls, on 18 days. The sun shows for 2.4 hours a day. Aughnanure Castle reopens on 27 February in 2026. Start a trail by early afternoon, because the light goes early.

Connemara weather in March

Highs average 10.5 °C and lows 4.9 °C. About 90.6 mm of rain falls, on 17 days. The sun shows for 3.5 hours a day. Kylemore moves to summer hours in early March, 10:00 to 18:00. Rain eases through the month.

Connemara weather in April

Highs average 12.2 °C and lows 6 °C. About 74 mm of rain falls, on 14 days. The sun shows for 5.3 hours a day. Rain falls on fewer days. On Easter Monday the park’s visitor centre opens, as on every bank holiday Monday.

Connemara weather in May

Highs average 14.6 °C and lows 8.2 °C. About 70.8 mm of rain falls, on 13 days. The sun shows for 6.3 hours a day. The sunniest month, with the least rain. Pick it for Diamond Hill. The first Monday is a bank holiday.

Connemara weather in June

Highs average 16.3 °C and lows 10.6 °C. About 73 mm of rain falls, on 12 days. The sun shows for 5.6 hours a day. The fewest wet days of the year. On warm, humid days midges gather in the park, so pack repellent.

Connemara weather in July

Highs average 17.6 °C and lows 12.3 °C. About 85.9 mm of rain falls, on 15 days. The sun shows for 4.4 hours a day. The warmest month with August, and the fewest gales. The visitor centre has closed on Mondays and Tuesdays since 1 July 2026.

Connemara weather in August

Highs average 17.7 °C and lows 12.4 °C. About 100.5 mm of rain falls, on 16 days. The sun shows for 4.6 hours a day. Rain rises again. Ticks are out in the long grass, so keep to the trails.

Connemara weather in September

Highs average 16.5 °C and lows 11 °C. About 102.6 mm of rain falls, on 16 days. The sun shows for 4 hours a day. Kylemore keeps its summer hours. Rain passes 100 mm, so pack a waterproof and boots that grip.

Connemara weather in October

Highs average 13.8 °C and lows 8.7 °C. About 131.2 mm of rain falls, on 19 days. The sun shows for 3 hours a day. Rain climbs past 130 mm. Kylemore starts winter hours late in the month, and Aughnanure closes at 17:00 from 29 October.

Connemara weather in November

Highs average 11 °C and lows 6.3 °C. About 139.6 mm of rain falls, on 21 days. The sun shows for 1.7 hours a day. The wettest month. Aughnanure closes for the season on 18 November.

Connemara weather in December

Highs average 9.2 °C and lows 4.6 °C. About 126.6 mm of rain falls, on 21 days. The sun shows for 1.2 hours a day. The visitor centre closes on Christmas Day and St Stephen’s Day, and Kylemore from 24 to 26 December.

The seasons, and which one you want

If you can choose, choose late spring. May brings the most sun and the least rain, and June the fewest wet days. Both are good months for Diamond Hill.

SeasonAverage highRainWet daysWhat it means for you
Spring: March–May12.4 °C235 mm44The best trail weather; Kylemore on summer hours
Summer: June–August17.2 °C259 mm43Warmest and longest days; midges on humid days
Autumn: September–November13.8 °C373 mm56Rain builds; Aughnanure closes on 18 November
Winter: December–February9.1 °C373 mm59Shortest days, most gales; Aughnanure shut

Summer is warmest, but the rain returns in August and the midges come out on still, humid days. Autumn is wet, and the bog turns russet. Winter brings the gales and the shortest days, so start your walk early and finish in daylight.

Picked your month?

Compare the days by where the long stop goes: Kylemore’s rooms for a wet day, the park trails for a clear one.

Best time of day in Connemara

The tours set the clock for you. The shared days leave Galway between 09:30 and 10:15 and stop on the way west. The park’s visitor centre opens at 9:00, so if you drive, you can be on the trail before the tour groups arrive.

On a still morning, the loughs hold the mountains’ reflection, the view in most photographs of the region. Wind breaks it up, so take the picture first and walk after.

Late in the day, watch the light. In winter the sun shows for about an hour a day, and Kylemore’s last entry is 16:00. In summer, the long evenings give you time for the Sky Road after the tours have gone home.

Weather questions

What is the best month to visit Connemara?
May. At Belmullet, the nearest Atlantic weather station, May has the most sunshine, about 6.3 hours a day, and the least rain. June has the fewest wet days.
Does it rain a lot in Connemara?
Yes. Belmullet records about 1,242 mm a year, with rain on some 200 days, and the Connemara mountains are wetter. Bring rain gear in any month.
Do tours run in the rain?
Yes, most days run whatever the weather. Where a fare needs good weather and the operator cancels, you are offered a different date or a full refund.
Does the national park close in bad weather?
The grounds close during orange and red weather warnings. Check Met Éireann’s warnings on the morning you go.
What should I wear in Connemara?
A waterproof jacket, layers and boots with grip. The wind off the Atlantic makes a mild day feel cold, above all on Diamond Hill.

Where these facts come from

Monthly figures are Met Éireann’s 1991–2020 averages for Belmullet. Connemara National Park’s closures come from its own pages, Aughnanure’s season from Heritage Ireland, and Kylemore Abbey’s hours from the abbey itself, all read in 2026.

Days out with Kylemore’s rooms for the rain