Machynlleth Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Machynlleth.
Climate overview of Machynlleth
Machynlleth, Powys, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 19°C (66°F) in July, while winters cool to 8°C (46°F) in January.
The city has a wet climate, receiving around 1309 mm (52 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and cold winters. December is the wettest month. Sunshine peaks in May, when the city sees around 5.6 hours of sunshine per day.
Machynlleth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Machynlleth - and find the best time to visit.
Monthly Temperature in Machynlleth
Depending on the time of the year, temperatures range from pleasant to chilly in Machynlleth. On average, daytime temperatures range from a pleasant 19°C (66°F) in July to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 12°C (54°F) in July to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Machynlleth
Machynlleth has a relatively rain/snowy climate with high precipitation levels, averaging 1309 mm (52 in) of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 143 mm (5.6 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, April, still receives a respectable 87 mm (3.4 in) of rainfall. For more details, please visit our Machynlleth Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Machynlleth
In Machynlleth, summer days are longer and more sunny, with daily sunshine hours peaking at 5.6 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 0.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Machynlleth
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June and July
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Machynlleth
What is the best time to visit Machynlleth?
June and July typically offer the most optimal weather in Machynlleth. In contrast, January, February, March, November and December tend to have less optimal conditions. Machynlleth has pleasant summers and cold winters.
What temperatures can I expect in Machynlleth?
Daytime highs range from 8°C (46°F) in January to 19°C (66°F) in July. Nighttime lows range from 2°C (36°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Machynlleth get?
Annual rainfall is around 1309 mm (52 in). December is the wettest month with 143 mm (5.6 in), while April is the driest with 87 mm (3.4 in).
How sunny is Machynlleth?
Machynlleth 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.
Machynlleth 3-Day Forecast
Machynlleth on the map
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