Aberystwyth weather in July

In July, Aberystwyth sees average daytime highs of 18°C and overnight lows near 12°C, with 90 mm of rain across 15.6 wet days and about 16.1 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 12% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 30 min at the start of July to 15 h 24 min by month's end. Set against the rest of the year, July is Aberystwyth's 3rd-clearest and 12th-windiest month. For the whole year in context, see Aberystwyth's year-round climate.

Daytime high
18°
1st warmest
Overnight low
12°
12th coldest
Rainfall
90 mm
15.6 wet days
Daylight
16 h 06 min
4:18 AM – 8:25 PM
Cloud cover
72%
3rd clearest
Wind
13 km/h
12th windiest
Solar energy
4.54 kWh/m²
Travel score
5.1
out of 10

Aberystwyth is seaside and university town and community in Ceredigion, Wales.

Founded
1109

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical July day in Aberystwyth 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 15°C and 23°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11812
21812
31812
41812
51812
61812
71812
81812
91812
101812
111812
121812
131812
141812
151812
161812
171812
181812
191812
201912
211912
221912
231912
241913
251913
261913
271913
281913
291913
301913
311913

How July really feels in Aberystwyth

Once humidity and wind are folded in, July 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

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

Aberystwyth weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 12416.81.180.7
Feb / 9914.31.39.50.9
Mar / 9214.9111.51.6
Apr12° / 7613.90.413.62.7
May15° / 8214.3015.43.8
Jun17° / 10°8813.7016.54.7
Jul18° / 12°9015.6016.15.1
Aug18° / 12°9716.6014.54.9
Sep16° / 10°9214012.44.4
Oct13° / 12016.20.110.33.0
Nov10° / 12917.70.38.51.7
Dec / 14017.50.97.50.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32773
42773
52872
62872
72872
82872
92971
102971
113070
123070
133070
143070
153169
163169
173169
183070
193070
203070
213169
223070
233169
243169
253070
263070
273070
283070
293070
303070
313070

Chance of precipitation in July

Any precipitation

Aberystwyth gets around 90 mm of rain over 15.6 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
351
451
551
651
751
851
951
1050
1150
1250
1350
1449
1549
1649
1748
1848
1948
2048
2148
2248
2349
2449
2549
2650
2750
2850
2951
3051
3151

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
174242
273252
372262
470273
569283
668293
767303
866313
966313
1065323
1165323
1264333
1364333
1463343
1562344
1661354
1760364
1860364
1959374
2058384
2157394
2256404
2356404
2455414
2553425
2653425
2753425
2852435
2951436
3051436
3152426

Wind in July

Winds average 13 km/h in July, the calmest month.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
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
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 30 min at the start of July to 15 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over July. Sunrise moves from 4:04 AM to 4:40 AM, and sunset from 8:35 PM to 8:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.54:048:35
216.54:058:35
316.54:068:34
416.54:068:34
516.44:078:34
616.44:088:33
716.44:098:33
816.44:108:32
916.34:118:31
1016.34:128:31
1116.34:138:30
1216.34:148:29
1316.24:158:28
1416.24:168:27
1516.24:178:26
1616.14:188:25
1716.14:208:24
1816.04:218:23
1916.04:228:22
2016.04:248:21
2115.94:258:20
2215.94:268:19
2315.84:288:17
2415.84:298:16
2515.74:318:14
2615.74:328:13
2715.64:338:12
2815.64:358:10
2915.54:368:09
3015.54:388:07
3115.44:408:05

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.54 kWh/m².

For context, solar energy here swings from a low near 0.53 kWh/m² to a high of 4.89 kWh/m² in June across the year — July's 4.54 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in July

Is July a good time to visit Aberystwyth?

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

5.1
Sightseeing
1st-best month of the year
1.8
Beach & pool
1st-best month of the year

July is a reasonable time to visit Aberystwyth for sightseeing.

What to pack for Aberystwyth in July

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

In July, Aberystwyth sees daytime highs around 18°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 16 days see rain.

rain gearsun protection

Sea temperature near Aberystwyth in July

The nearest coast averages about 17°C in July — 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 17°C and coldest in February near 7°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar8Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug17Cool
Sep16Cool
Oct14Bracing
Nov12Bracing
Dec9Bracing

UV index in Aberystwyth in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Aberystwyth peaks around August 13 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Aberystwyth?

Aberystwyth sits at 52.4°N, 4.1°W, 10 m above sea level, in United Kingdom. The nearest listed city is Carmarthen, 64 km away.

AmmanfordLlanelliClydachGorseinonOswestryNeathMerthyr Tydfil

Topography around Aberystwyth

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

Within 3 km, the terrain around Aberystwyth has only modest variations in elevation — a maximum elevation change of 149 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 512 m; within 80 km, large variations in elevation — a maximum elevation change of 1,054 m.

The land around Aberystwyth is covered by water (45%) and grassland (29%) within 3 km, water (47%) and grassland (41%) within 16 km, and grassland (55%) and water (29%) within 80 km.

3 km
149 m
16 km
512 m
80 km
1,054 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Carmarthen 64 km · Ammanford 70 km · Llanelli 82 km · Clydach 82 km · Gorseinon 83 km · Oswestry 85 km · Neath 86 km · Merthyr Tydfil 88 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 Aberystwyth (52.4155°, -4.0829°, 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).