Which is the hottest month in Machynlleth?

The hottest time of year in Machynlleth is normally July. Expect maximum daytime temperatures to reach 18°C.

Which month has the most rain in Machynlleth?

In terms of rainfall, December is usually the wettest month in Machynlleth with 197mm on average. There are normally 21 days in December with some rain.

When is it sunniest in Machynlleth?

The sunniest time of year in Machynlleth is normally May with bright sunshine on average for 37% of daylight hours; that's 6 hours of sunshine per day.

Best time to visit Machynlleth

Q: When is the best time to visit Machynlleth?

The best time to visit Machynlleth is May and June based on the following average weather conditions. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Machynlleth and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Machynlleth by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

Alfa Travel: Latest deals & discounts - live

Sale

Save on UK coach holidays & self drive breaks
Check out latest online deals & discount codes
Book last minute offers & deals by destination

Go to Alfa Travel deal >>

View all Alfa Travel offers

When is the best time to visit Machynlleth?

The best time to visit Machynlleth is May and June based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0
Mar
1.5
Apr
2.5
May
2.5
Jun
1.5
Jul
1.5
Aug
0.5
Sep
0
Oct
0
Nov
0
Dec

Change criteria

Hours of Sunshine (daily)

1
Jan
2
Feb
3
Mar
5
Apr
6
May
6
Jun
5
Jul
5
Aug
4
Sep
3
Oct
2
Nov
1
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Wales (Machynlleth) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)