Tonypandy weather in May

In May, Tonypandy sees average daytime highs of 15°C and overnight lows near 9°C, with 74 mm of rain across 12.6 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 10th-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 16% 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 Tonypandy's 3rd-clearest and 9th-windiest month. For the whole year in context, see Tonypandy's year-round climate.

Daytime high
15°
5th warmest
Overnight low
7th coldest
Rainfall
74 mm
12.6 wet days
Daylight
15 h 24 min
4:29 AM – 7:51 PM
Cloud cover
68%
3rd clearest
Wind
16 km/h
9th windiest
Solar energy
5.11 kWh/m²
Travel score
4.0
out of 10

Tonypandy is town in Rhondda Cynon Taf, Wales, UK.

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 Tonypandy reaches about 15°C in the afternoon and slips back to 9°C overnight — a 6°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 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1137
2137
3138
4138
5148
6148
7148
8148
9148
10148
11148
12148
13148
14149
15149
16159
17159
18159
19159
20159
21159
22159
231510
241510
251510
261610
271610
281610
291610
301610
311610

How May really feels in Tonypandy

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.

Tonypandy weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10615.10.88.11.0
Feb / 7911.80.89.61.1
Mar / 7212.30.511.51.8
Apr12° / 6911.60.213.62.9
May15° / 7412.6015.34.0
Jun17° / 12°7411.5016.35.1
Jul19° / 14°7812.7015.95.6
Aug19° / 14°9113.3014.45.5
Sep17° / 12°8111.8012.45.0
Oct14° / 11514.5010.43.5
Nov11° / 1131508.62.1
Dec / 11914.50.57.71.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33862
43862
53862
63862
73862
83862
93862
103763
113763
123664
133664
143565
153565
163466
173466
183565
193466
203367
213367
223466
233466
243466
253466
263466
273565
283664
293565
303664
313664

Chance of precipitation in May

Any precipitation

Tonypandy gets around 74 mm of rain over 12.6 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 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
244
343
443
543
643
742
842
942
1042
1142
1242
1343
1442
1542
1642
1742
1841
1941
2041
2141
2241
2341
2440
2540
2640
2740
2840
2940
3040
3140

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
2991
3991
4991
5991
6991
7982
8982
9982
10982
11982
12973
13973
14973
15973
16973
17973
18973
19964
20964
21964
22964
23955
24955
25955
26946
27946
28946
29937
30937
31928

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light 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 4:55 AM to 4:11 AM, and sunset from 7:27 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:557:27
214.64:537:29
314.74:517:31
414.74:497:32
514.84:477:34
614.84:457:36
714.94:447:37
815.04:427:39
915.04:407:40
1015.14:387:42
1115.14:377:44
1215.24:357:45
1315.24:337:47
1415.34:327:48
1515.34:307:50
1615.44:297:51
1715.44:277:53
1815.54:267:54
1915.54:247:56
2015.64:237:57
2115.64:227:59
2215.74:208:00
2315.74:198:02
2415.84:188:03
2515.84:178:04
2615.84:168:06
2715.94:148:07
2815.94:138:08
2916.04:128:09
3016.04:118:11
3116.04:118:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.11 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.4 kWh/m² in June across the year — May's 5.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Tonypandy?

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

4.0
Sightseeing
5th-best month of the year
0.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Tonypandy for sightseeing.

What to pack for Tonypandy in May

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

In May, Tonypandy sees daytime highs around 15°C and nights near 9°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Tonypandy 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 28 km away) is warmest in August at about 18°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar8Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep17Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Tonypandy 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 Tonypandy 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 Tonypandy?

Tonypandy sits at 51.6°N, 3.5°W, 154 m above sea level, in United Kingdom. The nearest listed city is Rhondda, 4.0 km away.

Topography around Tonypandy

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

Within 3 km, the terrain around Tonypandy has significant variations in elevation — a maximum elevation change of 371 m around an average of 264 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 603 m; within 80 km, large variations in elevation — a maximum elevation change of 864 m.

The land around Tonypandy is covered by grassland (46%) and trees (39%) within 3 km, grassland (48%) and trees (42%) within 16 km, and grassland (51%) and water (22%) within 80 km.

3 km
371 m
16 km
603 m
80 km
864 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Rhondda 4.0 km · Pontypridd 8.0 km · Aberdare 10 km · Coity 13 km · Maesteg 14 km · Gelligaer 15 km · Merthyr Tydfil 15 km · Bridgend 15 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 Tonypandy (51.622°, -3.4554°, elevation 154 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).