Fossa Weather & Climate: Best Time to Visit

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

Climate overview of Fossa

Fossa, Kerry, Ireland, has a moderate seasonal temperature range, with July reaching 19°C (66°F) and January cooling to 9°C (48°F).

Rain/snowfall is high, totalling around 1314 mm (52 in) per year. December is the wettest month and September the driest. May is the sunniest month, averaging 6.0 hours of sunshine per day.

Fossa Weather by Month

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

Monthly Temperature in Fossa

In Fossa, 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 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 11°C (52°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 Fossa

Fossa is known for its substantial rain/snowfall, with annual precipitation reaching 1314 mm (52 in). Year-round, Fossa has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 130 mm (5.1 in), and the driest month, September, with 95 mm (3.7 in), is minimal. For more details, please visit our Fossa Precipitation page.

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

Sunshine Hours in Fossa

Seasonal changes in sunshine hours are quite dramatic in Fossa. 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 (48 KM, 29 Miles).

Daily hours of sunshine

Data from: Valentia, Ireland (48 KM, 29 Miles).

Humidity in Fossa by Month

Best Time to Visit Fossa

For comfortable weather, consider visiting Fossa in June. Conditions are usually least favourable in January, February, 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, August and September
  • Most sunshine: May
  • Fewer rainy days: April, May, June, July and September

Frequently asked questions about the climate in Fossa

What is the best time to visit Fossa?

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

What temperatures can I expect in Fossa?

Daytime highs range from 9°C (48°F) in January to 19°C (66°F) in July. Nighttime lows range from 3°C (37°F) to 11°C (52°F).

How much rain does Fossa get?

Annual rainfall is around 1314 mm (52 in). December is the wettest month with 130 mm (5.1 in), while September is the driest with 95 mm (3.7 in).

How sunny is Fossa?

Fossa 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.

Fossa 3-Day Forecast

Fossa on the map

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