Which is the hottest month in Castlebar?

The hottest time of year in Castlebar is normally July. Expect maximum daytime temperatures to reach 19°C.

Which month has the most rain in Castlebar?

In terms of rainfall, December is usually the wettest month in Castlebar with 75mm on average. There are normally 17 days in December with some rain.

When is it sunniest in Castlebar?

The sunniest time of year in Castlebar is normally May with bright sunshine on average for 38% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Castlebar?

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

Best time to visit Castlebar

Q: When is the best time to visit Castlebar?

The best times to visit Castlebar, Ireland are in July and August Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit Castlebar, Ireland are in July and August based on our default weather conditions. Update your weather preferences to see which months best match.

Castlebar 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 Castlebar?

The best times to visit Castlebar, Ireland are in July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
0.5
Feb
1
Mar
1.5
Apr
1.5
May
1.5
Jun
2
Jul
2
Aug
1
Sep
0.5
Oct
0.5
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

7
Jan
8
Feb
9
Mar
12
Apr
14
May
17
Jun
18
Jul
18
Aug
16
Sep
13
Oct
10
Nov
8
Dec

Hours of Sunshine (daily)

2
Jan
2
Feb
3
Mar
5
Apr
5
May
5
Jun
4
Jul
4
Aug
3
Sep
2
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 (Castlebar) 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)