Best time to visit Limerick

Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
1234443311
On the sunniest 1 in 10 days, UV reaches this — and even higher
46654
PM2.5 air quality · on a typical day (?)
667776466667
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
101012141110691091012
September 6/10 feels 16°C (+1°C vs 1991-2020) · HCI 57/100
Day 17° · Night 11° 75% humidity 18 km/h wind 15 rain days (190h) 158h sun
Thermal 6
Sky 5
Rain 4
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.

Compare with another destination

Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.

Similar climatesGalway95% · Killarney93% · Glasgow91%

Other destinations with the most-alike year-round climate to Limerick (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Limerick's. Based on the 2020-2024 climatology, not this year's actual weather.

Month-by-month

Month Temp °C Feels °C Rain days Rain h Rain h/day Humidity Wind km/h Sun h UV Interest Score
Jan 3–8 5 15 204 13.6 86% 19 86 — Moderate 3
Feb 5–10 6 20 302 15.1 80% 24 88 1 Quiet 2
Mar 4–11 7 18 243 13.5 75% 21 138 2 Quiet 3
Apr 5–13 10 14 186 13.3 67% 19 185 3 Moderate 5
May 8–16 14 14 201 14.4 67% 18 219 4 Moderate 5
Jun 11–18 16 16 214 13.4 68% 18 198 4 Moderate 6
Jul 12–19 18 19 279 14.7 72% 18 187 4 Busy 5
Aug 12–19 18 18 247 13.7 71% 19 203 3 Peak 5
Sep 11–17 16 15 190 12.7 75% 18 158 3 Busy 6
Oct 9–14 12 20 264 13.2 79% 20 130 1 Moderate 4
Nov 6–11 8 17 213 12.5 85% 20 87 1 Moderate 4
Dec 4–9 5 18 234 13.0 87% 22 75 — Moderate 3

UV Index in Limerick by Month

UV index in Limerick peaks at 4 (moderate) in June, dropping to 0 (low) in January.

Best months in detail

September

6/10

11–17°C (feels 16°C) · 15 rain days (190h) · 158 sun hours · 75% humidity · Busy crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

June

6/10

11–18°C (feels 16°C) · 16 rain days (214h) · 198 sun hours · 68% humidity · Moderate crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)

May

5/10

8–16°C (feels 14°C) · 14 rain days (201h) · 219 sun hours · 67% humidity · Moderate crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)

Every month

Show the other 9 months in detail

January

3/10

3–8°C (feels 5°C) · 15 rain days (204h) · 86 sun hours · 86% humidity · Moderate crowd

February

2/10

5–10°C (feels 6°C) · 20 rain days (302h) · 88 sun hours · 80% humidity · Quiet crowd · UV 1 (low)

March

3/10

4–11°C (feels 7°C) · 18 rain days (243h) · 138 sun hours · 75% humidity · Quiet crowd · UV 2 (low)

April

5/10

5–13°C (feels 10°C) · 14 rain days (186h) · 185 sun hours · 67% humidity · Moderate crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

July

5/10

12–19°C · 19 rain days (279h) · 187 sun hours · 72% humidity · Busy crowd · UV 4 (moderate)

August

5/10

12–19°C (feels 18°C) · 18 rain days (247h) · 203 sun hours · 71% humidity · Peak crowd · UV 3 (moderate) · sunniest 1 in 10 days reach 5 (moderate)

October

4/10

9–14°C (feels 12°C) · 20 rain days (264h) · 130 sun hours · 79% humidity · Moderate crowd · UV 1 (low)

November

4/10

6–11°C (feels 8°C) · 17 rain days (213h) · 87 sun hours · 85% humidity · Moderate crowd · UV 1 (low)

December

3/10

4–9°C (feels 5°C) · 18 rain days (234h) · 75 sun hours · 87% humidity · Moderate crowd

Frequently asked questions about visiting Limerick

When is the best time to visit Limerick?

September is the highest-scoring month (6/10 on the Holiday Climate Index). Typical conditions: 11–17°C (15 rainy days). The top three months by score are September, June, May.

What is the worst time to visit Limerick?

February is the lowest-scoring month (2/10). Typical conditions: 5–10°C (20 rainy days).

When are crowds lowest in Limerick?

Search-interest seasonality (Google Trends 2021-2025) is lowest in March and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.

What is the UV index in Limerick by month?

UV peaks at 4 (moderate) in June and is lowest in January at 0 (low). Monthly peak values: Jan —, Feb 1, Mar 2, Apr 3, May 4, Jun 4, Jul 4, Aug 3, Sep 3, Oct 1, Nov 1, Dec —.

What is the UV index in Limerick in June?

June is the peak UV month in Limerick, with a daily-peak UV index of 4 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.

How high can UV get in Limerick on the sunniest days?

Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. May is the worst case: typical days average UV 4 (moderate), but the top 10% of days reach UV 6 (moderate) — and even higher. Months where the sunniest days routinely exceed the typical reading: April, May, June, August, September. Plan sun protection for the worst case, not the average.