Which is the hottest month in Valentia Island?

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

Which month has the most rain in Valentia Island?

In terms of rainfall, January is usually the wettest month in Valentia Island with 173mm on average. There are normally 22 days in January with some rain.

When is it sunniest in Valentia Island?

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

When is the sea warmest in Valentia Island?

The sea is usually at its warmest in Valentia Island in August when the water temperature reaches 15°C.

Best time to visit Valentia Island

Q: When is the best time to visit Valentia Island?

The best time to visit Valentia Island is May, 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 Valentia Island and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Valentia Island by month

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

Recommended for Ireland

Newmarket Holidays: Top offers on European holidays

Sale

Save on holidays to destinations across Europe in 2025/2026
Destinations include to France, Spain, Norway, Russia & Cyprus
Enjoy an escorted tour, city break, river cruise & more

Go to Newmarket Holidays deal >>

View all Newmarket Holidays offers

When is the best time to visit Valentia Island?

The best time to visit Valentia Island is May, 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.

0
Jan
0
Feb
0
Mar
1
Apr
1.5
May
1
Jun
1.5
Jul
1.5
Aug
0.5
Sep
0
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

9
Jan
9
Feb
10
Mar
12
Apr
14
May
16
Jun
18
Jul
18
Aug
16
Sep
14
Oct
11
Nov
10
Dec

Hours of Sunshine (daily)

2
Jan
2
Feb
3
Mar
5
Apr
6
May
5
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 Ireland (Valentia Island) 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)