Briton Ferry weather in May

In May, Briton Ferry sees average daytime highs of 15°C and overnight lows near 7°C, with 100 mm of precipitation across 14.8 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 16°C by the end. The sky is clear or mostly clear about 13% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 16 hours by month's end. Set against the rest of the year, May is Briton Ferry's 2nd-clearest and 8th-windiest month. For the whole year in context, see Briton Ferry's year-round climate.

Daytime high
15°
5th warmest
Overnight low
7th coldest
Precipitation
100 mm
14.8 wet days
Daylight
15 h 24 min
4:30 AM – 7:53 PM
Cloud cover
72%
2nd clearest
Wind
14 km/h
8th windiest
Solar energy
5.23 kWh/m²
Travel score
3.7
out of 10

Briton Ferry is town and community in Neath Port Talbot, Wales.

Density
4,499/km²
people per km²

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 13°C in the first days to 16°C by the end.

A typical May day in Briton Ferry reaches about 15°C in the afternoon and slips back to 7°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 3°C warmer than April and about 2°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1136
2136
3136
4136
5136
6146
7146
8147
9147
10147
11147
12147
13147
14147
15147
16157
17157
18158
19158
20158
21158
22158
23158
24158
25158
26168
27169
28169
29169
30169
31169

How May really feels in Briton Ferry

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.

Briton Ferry weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13916.31.48.10.6
Feb / 10613.21.69.60.8
Mar / 9514.30.911.51.6
Apr12° / 8814.10.413.62.7
May15° / 10014.80.115.33.7
Jun17° / 10°10214.4016.34.7
Jul19° / 12°10715.8015.95.1
Aug18° / 12°11315.4014.45.1
Sep16° / 10°9713.2012.44.6
Oct13° / 13415.40.110.43.1
Nov10° / 13115.90.48.61.7
Dec / 14615.50.97.70.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42971
52971
62971
72971
82971
92872
102773
112773
122773
132773
142773
152674
162575
172575
182575
192674
202674
212674
222674
232674
242674
252674
262773
272773
282773
292971
302971
312971

Chance of precipitation in May

Any precipitation

Briton Ferry gets around 100 mm of rain and snow 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 precipitation averages around 49% and peaks near 50% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
150
250
350
449
549
649
748
848
948
1048
1149
1249
1349
1449
1549
1649
1749
1848
1948
2048
2148
2248
2348
2448
2548
2648
2748
2848
2948
3048
3148

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
4991
5991
6991
7991
8991
9991
10991
11982
12982
13982
14982
15982
16982
17982
18973
19973
20973
21973
22973
23964
24964
25964
26964
27955
28955
29955
30955
31946

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 4:56 AM to 4:12 AM, and sunset from 7:29 PM to 8:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:567:29
214.64:547:30
314.74:527:32
414.74:507:34
514.84:497:35
614.84:477:37
714.94:457:39
815.04:437:40
915.04:417:42
1015.14:407:44
1115.14:387:45
1215.24:367:47
1315.24:357:48
1415.34:337:50
1515.34:327:51
1615.44:307:53
1715.44:297:54
1815.54:277:56
1915.54:267:57
2015.64:247:59
2115.64:238:00
2215.74:228:02
2315.74:218:03
2415.84:198:04
2515.84:188:06
2615.84:178:07
2715.94:168:08
2815.94:158:10
2916.04:148:11
3016.04:138:12
3116.04:128:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.23 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.49 kWh/m² in June across the year — May's 5.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Briton Ferry?

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 Briton Ferry.

What to pack for Briton Ferry in May

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

In May, Briton Ferry sees daytime highs around 15°C and nights near 7°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 Briton Ferry in May

The nearest coast averages about 11°C in May — 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 18°C and coldest in February near 8°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan8Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct15Cool
Nov12Bracing
Dec10Bracing

UV index in Briton Ferry in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Briton Ferry 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
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Briton Ferry?

Briton Ferry sits at 51.6°N, 3.8°W, 25 m above sea level, in United Kingdom. The nearest listed city is Neath, 4.0 km away.

Topography around Briton Ferry

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

Within 3 km, the terrain around Briton Ferry has significant variations in elevation — a maximum elevation change of 314 m around an average of 61 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 553 m; within 80 km, large variations in elevation — a maximum elevation change of 878 m.

The land around Briton Ferry is covered by trees (39%), grassland (31%) and artificial surfaces (22%) within 3 km, trees (36%), grassland (30%) and water (24%) within 16 km, and grassland (48%) and water (31%) within 80 km.

3 km
314 m
16 km
553 m
80 km
878 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Neath 4.0 km · Clydach 8.0 km · Swansea 9.0 km · Maesteg 11 km · Gorseinon 16 km · Porthcawl 19 km · Ammanford 21 km · Bridgend 22 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 Briton Ferry (51.6311°, -3.819°, elevation 25 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).