Llandudno weather in August

In August, Llandudno sees average daytime highs of 19°C and overnight lows near 12°C, with 79 mm of rain across 14.5 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 9% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 30 min at the start of August to 13 h 36 min by month's end. Set against the rest of the year, August is Llandudno's 8th-clearest and 10th-windiest month. For the whole year in context, see Llandudno's year-round climate.

Daytime high
19°
2nd warmest
Overnight low
12°
11th coldest
Rainfall
79 mm
14.5 wet days
Daylight
14 h 36 min
5:02 AM – 7:37 PM
Cloud cover
75%
8th clearest
Wind
13 km/h
10th windiest
Solar energy
4.13 kWh/m²
Travel score
5.2
out of 10

Llandudno is seaside resort in North Wales, UK.

Founded
1291

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical August day in Llandudno reaches about 19°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 16°C and 22°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11913
21913
31913
41913
51913
61913
71913
81913
91913
101913
111913
121913
131913
141912
151912
161912
171912
181912
191812
201812
211812
221812
231812
241812
251812
261812
271812
281812
291811
301811
311811

How August really feels in Llandudno

Once humidity and wind are folded in, August 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

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

Llandudno weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7914.31.27.80.8
Feb / 7013.31.19.40.9
Mar / 7014.4111.51.6
Apr12° / 7114.10.513.72.7
May15° / 7013.90.115.63.9
Jun17° / 10°8313.6016.64.8
Jul19° / 12°7714.6016.25.2
Aug19° / 12°7914.5014.65.2
Sep16° / 10°7313012.44.6
Oct13° / 8314.50.110.33.2
Nov10° / 9015.80.38.41.8
Dec / 9315.61.17.41.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62575
72575
82377
92377
102377
112377
122377
132377
142377
152377
162377
172377
182278
192377
202377
212476
222476
232575
242575
252575
262575
272575
282674
292674
302674
312674

Chance of precipitation in August

Any precipitation

Llandudno gets around 79 mm of rain over 14.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
649
749
849
949
1049
1149
1249
1349
1449
1549
1649
1749
1849
1948
2048
2147
2247
2346
2445
2544
2644
2743
2842
2942
3042
3142

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
154397
255387
355387
456377
556368
656368
757358
857358
958348
1058348
1158348
1259338
1359338
1459338
1561327
1661327
1761327
1863316
1963316
2065305
2165305
2266295
2368284
2468284
2569274
2670273
2771263
2872253
2972253
3073243
3174242

Wind in August

Winds average 13 km/h in August.

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

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light 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
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 30 min at the start of August to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over August. Sunrise moves from 4:36 AM to 5:29 AM, and sunset from 8:06 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.54:368:06
215.44:388:05
315.44:408:03
415.34:418:01
515.34:437:59
615.24:457:57
715.14:467:55
815.14:487:53
915.04:507:51
1015.04:527:49
1114.94:537:47
1214.84:557:45
1314.84:577:43
1414.74:597:41
1514.65:007:39
1614.65:027:37
1714.55:047:35
1814.45:067:32
1914.45:077:30
2014.35:097:28
2114.25:117:26
2214.25:137:23
2314.15:147:21
2414.05:167:19
2514.05:187:16
2613.95:207:14
2713.85:227:12
2813.85:237:09
2913.75:257:07
3013.65:277:05
3113.65:297:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.13 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 5.38 kWh/m² in June across the year — August's 4.13 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.1Bright
194.0Bright
204.0Bright
214.0Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Llandudno?

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

5.2
Sightseeing
1st-best month of the year
2.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Llandudno for sightseeing.

What to pack for Llandudno in August

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

In August, Llandudno sees daytime highs around 19°C and nights near 12°C. Pack rain gear. About 15 days see rain.

rain gear

Sea temperature near Llandudno in August

The nearest coast averages about 16°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 16°C and coldest in March near 7°C.

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

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr8Bracing
May10Bracing
Jun13Bracing
Jul15Bracing
Aug16Cool
Sep16Cool
Oct14Bracing
Nov12Bracing
Dec10Bracing

UV index in Llandudno in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Llandudno peaks around August 12 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 12UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Llandudno?

Llandudno sits at 53.3°N, 3.8°W, 10 m above sea level, in United Kingdom. The nearest listed city is Colwyn Bay, 8.0 km away.

Topography around Llandudno

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

Within 3 km, the terrain around Llandudno has only modest variations in elevation — a maximum elevation change of 199 m around an average of 26 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 856 m; within 80 km, large variations in elevation — a maximum elevation change of 1,055 m.

The land around Llandudno is covered by water (55%) and grassland (23%) within 3 km, water (66%) and grassland (24%) within 16 km, and water (48%) and grassland (36%) within 80 km.

3 km
199 m
16 km
856 m
80 km
1,055 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Colwyn Bay 8.0 km · Rhyl 23 km · Bangor 23 km · Prestatyn 28 km · Flint 47 km · Moreton 48 km · Heswall 49 km · Wallasey 52 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 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 Llandudno (53.325°, -3.8315°, 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).