Which is the hottest month in Killarney?

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

Which month has the most rain in Killarney?

In terms of rainfall, December is usually the wettest month in Killarney with 166mm on average. There are normally 23 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 37% of daylight hours; that's 6 hours of sunshine per day.

Best time to visit Killarney

Q: When is the best time to visit Killarney?

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

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 time to visit Killarney is July and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [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
1.5
Jun
1.5
Jul
1.5
Aug
0.5
Sep
0
Oct
0
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