Newtown Weather & Climate: Best Time to Visit

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

Climate overview of Newtown

Newtown, Powys, United Kingdom, sees big temperature differences between seasons, with July peaking at 20°C (68°F) and January dropping to 7°C (45°F).

Rain/snowfall is high, totalling around 1031 mm (41 in) per year. December is the wettest month and September the driest. The city also experiences pleasant summers and cold winters. The most sunshine falls in May, with an average of 5.6 hours of daily sunshine.

Newtown Weather by Month

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

Monthly Temperature in Newtown

Visitors to Newtown can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 20°C (68°F) in July, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like January.

At night, you can expect temperatures ranging from 11°C (52°F) in July to around 2°C (36°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Newtown

Newtown is known for its substantial rain/snowfall, with annual precipitation reaching 1031 mm (41 in). Year-round, Newtown has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 101 mm (4 in), and the driest month, September, with 75 mm (3 in), is minimal. For more details, please visit our Newtown Precipitation page.

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

Sunshine Hours in Newtown

Seasonal changes in sunshine hours are quite dramatic in Newtown. While May receives considerable daily sunshine with up to 5.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 0.9 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Bala, the United Kingdom (48 KM, 30 Miles).

Daily hours of sunshine

Data from: Bala, the United Kingdom (48 KM, 30 Miles).

Best Time to Visit Newtown

For comfortable weather, consider visiting Newtown in July. Conditions are usually least favourable in January, February, March, 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: July and August
  • Most sunshine: May
  • Seasonal pattern: Pleasant summers and cold winters

Frequently asked questions about the climate in Newtown

What is the best time to visit Newtown?

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

What temperatures can I expect in Newtown?

Daytime highs range from 7°C (45°F) in January to 20°C (68°F) in July. Nighttime lows range from 2°C (36°F) to 11°C (52°F). Temperatures vary considerably through the year.

How much rain does Newtown get?

Annual rainfall is around 1031 mm (41 in). December is the wettest month with 101 mm (4 in), while September is the driest with 75 mm (3 in).

How sunny is Newtown?

Newtown receives around 1,192 hours of sunshine per year. May is the sunniest month with 169 hours, while December is the cloudiest with just 26 hours.

Newtown 3-Day Forecast

Newtown 3-Day Forecast

Newtown on the map

Newtown is highlighted - select any city to see its climate.

Popular this month

Where to go in July - average daytime high across popular destinations.

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