Tralee weather in May

In May, Tralee sees average daytime highs of 15°C and overnight lows near 8°C, with 91 mm of rain across 14.8 wet days and about 15.4 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 16°C by the end. The sky is clear or mostly clear about 7% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of May to 16 h 06 min by month's end. Set against the rest of the year, May is Tralee's 3rd-clearest and 8th-windiest month. For the whole year in context, see Tralee's year-round climate.

Daytime high
15°
5th warmest
Overnight low
7th coldest
Rainfall
91 mm
14.8 wet days
Daylight
15 h 30 min
4:51 AM – 8:19 PM
Cloud cover
77%
3rd clearest
Wind
14 km/h
8th windiest
Solar energy
4.97 kWh/m²
Travel score
3.7
out of 10

Tralee is town in County Kerry, Ireland.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 16°C by the end.

A typical May day in Tralee reaches about 15°C in the afternoon and slips back to 8°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 19°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1137
2137
3147
4147
5147
6147
7147
8147
9147
10147
11147
12147
13147
14147
15148
16158
17158
18158
19158
20158
21158
22158
23158
24158
25169
26169
27169
28169
29169
30169
31169

How May really feels in Tralee

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tralee weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10817.70.581.2
Feb / 9214.30.59.51.4
Mar10° / 8915.10.211.52.0
Apr12° / 8814.2013.62.9
May15° / 9114.8015.43.7
Jun17° / 10°8314016.44.6
Jul18° / 12°9015.20164.9
Aug18° / 12°9414.6014.54.9
Sep16° / 10°8013.3012.44.5
Oct13° / 10215.4010.33.2
Nov11° / 11117.208.52.0
Dec / 116170.47.61.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32377
42377
52377
62377
72377
82377
92377
102377
112377
122377
132377
142278
152377
162278
172278
182278
192179
202179
212278
222179
232179
242278
252278
262278
272278
282377
292377
302377
312476

Chance of precipitation in May

Any precipitation

Tralee gets around 91 mm of rain over 14.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
248
348
447
547
647
747
847
947
1047
1148
1248
1349
1449
1549
1649
1749
1849
1949
2049
2149
2250
2350
2449
2549
2649
2749
2849
2949
3049
3149

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
9991
10991
11991
12991
13991
14991
15991
16991
17991
18982
19982
20982
21982
22973
23973
24973
25964
26964
27964
28964
29955
30955
31955

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 36 min at the start of May to 16 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 5:18 AM to 4:32 AM, and sunset from 7:54 PM to 8:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:187:54
214.75:167:56
314.75:147:58
414.85:127:59
514.85:108:01
614.95:088:03
715.05:068:04
815.05:058:06
915.15:038:08
1015.15:018:09
1115.24:598:11
1215.24:588:13
1315.34:568:14
1415.44:548:16
1515.44:538:17
1615.54:518:19
1715.54:508:21
1815.64:488:22
1915.64:478:24
2015.74:458:25
2115.74:448:27
2215.84:438:28
2315.84:418:29
2415.84:408:31
2515.94:398:32
2615.94:388:34
2716.04:368:35
2816.04:358:36
2916.14:348:38
3016.14:338:39
3116.14:328:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.97 kWh/m².

For context, solar energy here swings from a low near 0.59 kWh/m² to a high of 5.15 kWh/m² in June across the year — May's 4.97 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.2Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Tralee?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.7
Sightseeing
5th-best month of the year
0.1
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Tralee.

What to pack for Tralee in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Tralee sees daytime highs around 15°C and nights near 8°C. Pack rain gear. Worth having: a warm layer and sun protection. About 15 days see rain.

rain geara warm layersun protection

Sea temperature near Tralee in May

The nearest coast averages about 12°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in August at about 16°C and coldest in February near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul15Cool
Aug16Cool
Sep15Cool
Oct14Bracing
Nov12Bracing
Dec11Bracing

UV index in Tralee in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tralee peaks around August 13 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul5High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Tralee?

Tralee sits at 52.3°N, 9.7°W, 10 m above sea level, in Ireland. The nearest listed city is Killarney, 27 km away.

KillarneyDingleEnnisLimerickBallincolligCorkDouglasCarrigaline

Topography around Tralee

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tralee.

Within 3 km, the terrain around Tralee has only modest variations in elevation — a maximum elevation change of 128 m around an average of 22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 877 m; within 80 km, large variations in elevation — a maximum elevation change of 1,051 m.

The land around Tralee is covered by grassland (68%) within 3 km, grassland (73%) within 16 km, and grassland (53%) and water (37%) within 80 km.

3 km
128 m
16 km
877 m
80 km
1,051 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Killarney 27 km · Dingle 41 km · Ennis 80 km · Limerick 85 km · Ballincollig 88 km · Cork 94 km · Douglas 97 km · Carrigaline 103 km

Ireland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type G
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$131,592
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Roman Catholic 69%none 15%Protestant 4%Orthodox 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tralee (52.2704°, -9.7026°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).