Tui weather in May

In May, Tui sees average daytime highs of 18°C and overnight lows near 12°C, with 125 mm of rain across 12 wet days and about 14.3 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Tui's 5th-clearest and 7th-windiest month. For the whole year in context, see Tui's year-round climate.

Daytime high
18°
6th warmest
Overnight low
12°
7th coldest
Rainfall
125 mm
12 wet days
Daylight
14 h 24 min
6:20 AM – 8:42 PM
Cloud cover
55%
5th clearest
Wind
13 km/h
7th windiest
Solar energy
6.4 kWh/m²
Travel score
5.7
out of 10

Tui is capital town of the municipality of Tui, Spain.

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 17°C in the first days to 19°C by the end.

A typical May day in Tui reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, May runs about 2°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11711
21711
31711
41711
51711
61711
71711
81711
91711
101711
111711
121811
131812
141812
151812
161812
171812
181812
191812
201812
211912
221912
231912
241913
251913
261913
271913
281913
291913
301913
311913

Tui weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 20913.99.33.1
Feb13° / 13910.710.33.6
Mar15° / 15411.711.74.4
Apr16° / 10°15113.513.14.6
May18° / 12°1251214.35.7
Jun21° / 14°547.4157.0
Jul22° / 16°314.714.78.1
Aug23° / 16°435.513.78.0
Sep21° / 15°858.112.37.0
Oct18° / 13°21213.310.95.5
Nov15° / 10°22714.89.64.0
Dec13° / 21214.293.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54456
64456
74456
84456
94555
104555
114555
124654
134753
144753
154852
164852
174951
185050
195050
205149
215248
225248
235347
245347
255545
265446
275446
285446
295446
305446
315446

Chance of precipitation in May

Any precipitation

Tui gets around 125 mm of rain over 12 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 39% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
242
342
442
542
642
742
842
942
1041
1141
1241
1341
1440
1540
1640
1739
1839
1938
2038
2137
2237
2336
2436
2535
2635
2735
2834
2934
3033
3133

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 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
187130
286140
386140
486140
585150
685150
784160
883161
982171
1082171
1181181
1280191
1379201
1478211
1577221
1676231
1774242
1873252
1972262
2069283
2167294
2266304
2364315
2463325
2561336
2659347
2758357
2857367
2955378
3054388
3154388

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 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
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 6:38 AM to 6:08 AM, and sunset from 8:26 PM to 8:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:388:26
213.86:368:27
313.96:358:28
413.96:348:29
514.06:328:30
614.06:318:31
714.06:308:32
814.16:298:33
914.16:278:35
1014.26:268:36
1114.26:258:37
1214.26:248:38
1314.36:238:39
1414.36:228:40
1514.36:218:41
1614.46:208:42
1714.46:198:43
1814.46:188:44
1914.56:178:45
2014.56:168:46
2114.56:158:47
2214.66:148:48
2314.66:138:49
2414.66:128:50
2514.76:128:51
2614.76:118:52
2714.76:108:53
2814.76:108:54
2914.86:098:54
3014.86:088:55
3114.86:088:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.4 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 7.18 kWh/m² in July across the year — May's 6.4 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
26.0Bright
36.0Bright
46.0Intense
56.0Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in May

Hazard calendar for Tui

In seasonPeak

In May, Tui sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Tui's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Tui?

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

5.7
Sightseeing
5th-best month of the year
1.9
Beach & pool
6th-best month of the year

May is a reasonable time to visit Tui for sightseeing.

What to pack for Tui in May

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

In May, Tui sees daytime highs around 18°C and nights near 12°C. Pack sun protection. Worth having: rain gear. About 12 days see rain.

sun protectionrain gear

Sea temperature near Tui in May

The nearest coast averages about 15°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 21 km away) is warmest in August at about 17°C and coldest in February near 13°C.

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

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May15Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov15Cool
Dec14Bracing

UV index in Tui in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tui peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Tui?

Tui sits at 42.0°N, 8.6°W, 50 m above sea level, in Spain. The nearest listed city is Porriño, 13 km away.

Topography around Tui

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

Within 3 km, the terrain around Tui has significant variations in elevation — a maximum elevation change of 271 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 825 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,517 m.

The land around Tui is covered by trees (47%) and grassland (31%) within 3 km, trees (60%) and grassland (31%) within 16 km, and trees (44%), water (26%) and grassland (25%) within 80 km.

3 km
271 m
16 km
825 m
80 km
1,517 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Porriño 13 km · Monção 14 km · Nigrán 17 km · Ponteareas 18 km · Vigo 22 km · Redondela 26 km · Cangas do Morrazo 27 km · Moaña 27 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

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 Tui (42.0471°, -8.6443°, elevation 50 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).