Glengarriff Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Glengarriff.

Climate overview of Glengarriff

Glengarriff, County Cork, Ireland, experiences moderate temperature changes through the seasons. July is the warmest month with daytime highs of 19°C (66°F), while January is the coolest at 10°C (50°F).

Rainfall is high, totalling around 1360 mm (54 in) per year. December is the wettest month and June the driest. May is the sunniest month, averaging 6.0 hours of sunshine per day.

Glengarriff Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Glengarriff - and find the best time to visit.

Monthly Temperature in Glengarriff

In Glengarriff, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a pleasant 19°C (66°F) in July, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like January.

At night, you can expect temperatures ranging from 12°C (54°F) in July to around 3°C (37°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Glengarriff

Glengarriff has a relatively rainy climate with high precipitation levels, averaging 1360 mm (54 in) of rainfall annually. Year-round, Glengarriff has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 139 mm (5.5 in), and the driest month, June, with 99 mm (3.9 in), is minimal. For more details, please visit our Glengarriff Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Glengarriff

Seasonal changes in sunshine hours are quite dramatic in Glengarriff. While May receives considerable daily sunshine with up to 6.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Valentia, Ireland (52 KM, 32 Miles).

Daily hours of sunshine

Data from: Valentia, Ireland (52 KM, 32 Miles).

Humidity in Glengarriff by Month

Best Time to Visit Glengarriff

For comfortable weather, consider visiting Glengarriff in June. Conditions are usually least favourable in January, February, March, April, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June
  • Warmest weather: June, July and August
  • Most sunshine: May
  • Fewer rainy days: April, May, June, July and September

Frequently asked questions about the climate in Glengarriff

What is the best time to visit Glengarriff?

June typically offers the most optimal weather in Glengarriff. In contrast, January, February, March, April, November and December tend to have less optimal conditions.

What temperatures can I expect in Glengarriff?

Daytime highs range from 10°C (50°F) in January to 19°C (66°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F).

How much rain does Glengarriff get?

Annual rainfall is around 1360 mm (54 in). December is the wettest month with 139 mm (5.5 in), while June is the driest with 99 mm (3.9 in).

How sunny is Glengarriff?

Glengarriff receives around 1,268 hours of sunshine per year. May is the sunniest month with 180 hours, while December is the cloudiest with just 40 hours.

Glengarriff 3-Day Forecast

Glengarriff on the map

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