Newcastle West Weather & Climate: Best Time to Visit

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

Current conditions Newcastle West –  

Climate overview of Newcastle West

Temperatures in Newcastle West, Ireland, shift moderately through the seasons. The warmest month is July at 20°C (68°F), and the coolest is January at 9°C (48°F).

The city receives considerable rainfall, with around 1101 mm (43 in) annually. December is the wettest month. It has pleasant summers and cold winters. May is the sunniest month, averaging 6.1 hours of sunshine per day.

Newcastle West Weather by Month

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

Monthly Temperature in Newcastle West

The weather in Newcastle West changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 9°C (48°F) in the coolest month, January.

Nights vary from 12°C (54°F) in July to around 3°C (37°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Newcastle West

Newcastle West has a notably wet climate with abundant precipitation, recording 1101 mm (43 in) of rainfall per year. Precipitation levels in Newcastle West remain relatively steady throughout the year. December has the most rain, with 106 mm (4.2 in) over 22 days. In the driest month September, this drops slightly to 83 mm (3.3 in), making the city's climate fairly predictable. For more details, please visit our Newcastle West Precipitation page.

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

Sunshine Hours in Newcastle West

For those who appreciate different seasons, Newcastle West serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.1 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Limerick, Ireland (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Limerick, Ireland (37 KM, 23 Miles).

Humidity in Newcastle West by Month

Best Time to Visit Newcastle West

Conditions in Newcastle West are generally most comfortable in July. They are typically least comfortable in January, February, 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: July
  • Warmest weather: June, July and August
  • Most sunshine: May
  • Seasonal pattern: Pleasant summers and cold winters

Frequently asked questions about the climate in Newcastle West

What is the best time to visit Newcastle West?

July typically offers the most optimal weather in Newcastle West. In contrast, January, February, November and December tend to have less optimal conditions. Newcastle West has pleasant summers and cold winters.

What temperatures can I expect in Newcastle West?

Daytime highs range from 9°C (48°F) in January to 20°C (68°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F).

How much rain does Newcastle West get?

Annual rainfall is around 1101 mm (43 in). December is the wettest month with 106 mm (4.2 in), while September is the driest with 83 mm (3.3 in).

How sunny is Newcastle West?

Newcastle West receives around 1,302 hours of sunshine per year. May is the sunniest month with 182 hours, while December is the cloudiest with just 45 hours.

Newcastle West 3-Day Forecast

Newcastle West on the map

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