Which is the hottest month in Lake Vyrnwy?

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

Which month has the most rain in Lake Vyrnwy?

In terms of rainfall, December is usually the wettest month in Lake Vyrnwy with 173mm on average. There are normally 20 days in December with some rain.

When is it sunniest in Lake Vyrnwy?

The sunniest time of year in Lake Vyrnwy is normally May with bright sunshine on average for 35% of daylight hours; that's 6 hours of sunshine per day.

Best time to visit Lake Vyrnwy

Q: When is the best time to visit Lake Vyrnwy?

The best time to visit Lake Vyrnwy is June, July and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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

Lake Vyrnwy by month

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

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When is the best time to visit Lake Vyrnwy?

The best time to visit Lake Vyrnwy is June, July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

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Jan
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Feb
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Mar
0.5
Apr
1.5
May
1.5
Jun
1.5
Jul
1.5
Aug
0.5
Sep
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Dec

Change criteria

Max Day Temperature (°C)

5
Jan
5
Feb
7
Mar
10
Apr
14
May
17
Jun
18
Jul
18
Aug
16
Sep
12
Oct
8
Nov
6
Dec

Hours of Sunshine (daily)

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Jan
2
Feb
3
Mar
4
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 (Lake Vyrnwy) 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)