Which is the hottest month in Killarney?

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

Which month has the most rain in Killarney?

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

When is it sunniest in Killarney?

The sunniest time of year in Killarney 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 Killarney?

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

Best time to visit Killarney

Q: When is the best time to visit Killarney?

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

Killarney 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 Killarney?

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

Maximum daytime temperature = 72 - 86°F [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
2
May
2
Jun
2.5
Jul
2.5
Aug
1.5
Sep
1
Oct
0.5
Nov
0
Dec

Change criteria

Max Day Temperature (°F)

46
Jan
46
Feb
50
Mar
54
Apr
57
May
63
Jun
64
Jul
64
Aug
61
Sep
57
Oct
50
Nov
48
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 (Killarney) 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) | Imperial (°F)