Cork, Ireland skyline

Cork Weather in August

Cork, Ireland in August: how the month usually turns out, from 2006–2025 averages.

A typical August day in Cork peaks at 18.5°C (65.3°F) and drops to 12.7°C (54.9°F) overnight; expect about 13 rainy days (80 mm in total) and 9.2 hours of sunshine daily.

Avg high

18.5°C (65.3°F)

Avg low

12.7°C (54.9°F)

Rainfall

80 mm (3.1 in)

Rainy days

13 days

Sunshine

9.2 h / day

Humidity

81%

August vs the rest of the year

On temperature, August beats 10 of 11 other months, and it ranks as the 5th driest month of the year.

MonthAvg highvs AugustRainRainy days
January8.5°C (47.3°F)−10°C (−18°F)89 mm13
February9°C (48.2°F)−9.5°C (−17.1°F)86 mm12
March10.1°C (50.2°F)−8.4°C (−15.1°F)81 mm13
April12.4°C (54.3°F)−6.1°C (−11°F)73 mm12
May15°C (59°F)−3.5°C (−6.3°F)77 mm14
June17.5°C (63.5°F)−1°C (−1.8°F)76 mm12
July19°C (66.2°F)+0.5°C (+0.9°F)84 mm13
August18.5°C (65.3°F)—80 mm13
September16.8°C (62.2°F)−1.7°C (−3.1°F)79 mm10
October14°C (57.2°F)−4.5°C (−8.1°F)114 mm13
November10.7°C (51.3°F)−7.8°C (−14°F)101 mm13
December9.1°C (48.4°F)−9.4°C (−16.9°F)106 mm14

What August feels like in Cork

Late summer arrives in Cork with August. The middle of the day is pleasantly mild. Little changes after sunset — nights are cool, only slightly below the daytime level. The air is fairly humid, though at these temperatures it rarely feels oppressive.

Rain in Cork in August

Rain is part of normal life this month, falling on about one day in 2. A rainy day brings about 6.1 mm (0.2 in) on average — steady rain rather than a passing shower. The yearly figure is similar, around 6.9 mm per wet day.

Daylight and sunshine in August

On 15 August the sun rises at about 6:17 am and sets around 9:01 pm local time, giving 14 h 44 min of daylight. Compared with mid-July, the day has lost 1 h 33 min. About 62% of daylight hours are sunny; in short, there are plenty of bright spells.

How August compares to the rest of the year

In Cork's temperature order, August sits as the 2nd warmest month. Against July, the average high is 0.5°C (0.9°F) lower, with 4 mm less rain. The cooling trend carries on into September. By September, typical highs are 16.8°C (62.2°F).

Who August suits

  • Sightseeing: a good fit — comfortable enough to explore on foot all day.
  • Parks & outdoor: a good fit — comfortable for long walks and picnics.
  • Beach: less ideal — too many rainy days.

Tips for visiting Cork in August

Rain Protection

A compact umbrella and a light waterproof jacket.

Sunglasses

Plenty of sun, so bring sunglasses and a cap.

Quick questions

How warm is Cork in August?

Afternoons average 18.5°C (65.3°F) and nights about 12.7°C (54.9°F) — mild by most people's standards. It is the 2nd warmest month of the year.

Does it rain a lot in Cork in August?

Yes, fairly — rain falls about one day in 2 and totals about 80 mm, so an umbrella is worth carrying.

What should I wear in Cork in August?

Pack rain protection and sunglasses. Evenings feel similar to the day, so the same clothes work from morning to night.

Is August or September better for visiting Cork?

September scores better on our climate ranking (#1 of 12 vs #3), rated Good against Good. September is cooler and has fewer rainy days.

Is August a good time to visit Cork?

Good

Good — comfortable temperatures, frequent rain (about 13 rainy days), plenty of sunshine (9.2 h a day). Within Cork's own year, August ranks #3 of 12 — one of the 3 best months to visit.

August in other Ireland cities

Warmer or drier places in August

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Cork weather by month.