Gelligaer weather in July

In July, Gelligaer sees average daytime highs of 19°C and overnight lows near 12°C, with 84 mm of rain across 13 wet days and about 15.9 hours of daylight. It is the 1st-warmest and 7th-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 13% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 24 min at the start of July to 15 h 18 min by month's end. Set against the rest of the year, July is Gelligaer's 1st-clearest and 11th-windiest month. For the whole year in context, see Gelligaer's year-round climate.

Daytime high
19°
1st warmest
Overnight low
12°
12th coldest
Rainfall
84 mm
13 wet days
Daylight
16 hours
4:19 AM – 8:18 PM
Cloud cover
71%
1st clearest
Wind
12 km/h
11th windiest
Solar energy
5.02 kWh/m²
Travel score
5.6
out of 10

Gelligaer is town in Caerphilly County Borough, Wales, UK.

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 19°C through the month.

A typical July day in Gelligaer reaches about 19°C in the afternoon and slips back to 12°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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)
11811
21811
31911
41911
51911
61911
71911
81911
91912
101912
111912
121912
131912
141912
151912
161912
171912
181912
191912
201912
211912
221912
231912
241912
251912
261912
271912
281912
291912
301912
311912

How July really feels in Gelligaer

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.

Gelligaer weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10014.61.78.10.5
Feb / 8011.41.99.60.7
Mar / 7612.71.411.51.6
Apr12° / 8012.90.513.62.8
May15° / 8913.6015.33.9
Jun17° / 10°8312.2016.35.0
Jul19° / 12°8413015.95.6
Aug19° / 12°9012.6014.45.5
Sep16° / 10°7711.2012.44.8
Oct13° / 11113.60.110.43.1
Nov / 10313.90.68.61.7
Dec / 10813.31.67.70.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32773
42872
52872
62773
72773
82773
92872
102872
112872
122971
132971
142971
153070
163070
173070
183169
193169
203169
213070
223070
233169
243169
253169
263169
273268
283070
293070
303169
313169

Chance of precipitation in July

Any precipitation

Gelligaer gets around 84 mm of rain over 13 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 41% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
244
344
444
544
644
744
843
943
1042
1141
1241
1340
1440
1539
1639
1739
1838
1938
2038
2139
2239
2339
2440
2540
2641
2741
2841
2942
3042
3142

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
176222
275232
374242
473252
571263
670273
769283
868293
967303
1067303
1165314
1265314
1364324
1464324
1564324
1663334
1763334
1862344
1962344
2061354
2161354
2260364
2360364
2459374
2559374
2658384
2758384
2856395
2956395
3056395
3156395

Wind in July

Winds average 12 km/h in July.

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
1712light breeze
1812light breeze
1912light breeze
2012light 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 24 min at the start of July to 15 h 18 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 4:05 AM to 4:39 AM, and sunset from 8:28 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.44:058:28
216.44:068:27
316.34:068:27
416.34:078:27
516.34:088:26
616.34:098:26
716.34:108:25
816.24:108:25
916.24:118:24
1016.24:128:23
1116.24:138:23
1216.14:148:22
1316.14:158:21
1416.14:178:20
1516.04:188:19
1616.04:198:18
1716.04:208:17
1815.94:218:16
1915.94:228:15
2015.84:248:14
2115.84:258:13
2215.84:268:12
2315.74:288:11
2415.74:298:09
2515.64:308:08
2615.64:328:07
2715.54:338:05
2815.54:358:04
2915.44:368:02
3015.44:388:01
3115.34:397:59

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.02 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.27 kWh/m² in June across the year — July's 5.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in July

Is July a good time to visit Gelligaer?

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

5.6
Sightseeing
1st-best month of the year
2.4
Beach & pool
1st-best month of the year

July is a reasonable time to visit Gelligaer for sightseeing.

What to pack for Gelligaer in July

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

In July, Gelligaer sees daytime highs around 19°C and nights near 12°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Gelligaer 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 at the nearest coast (about 33 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 Gelligaer 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 Gelligaer 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 Gelligaer?

Gelligaer sits at 51.7°N, 3.3°W, 233 m above sea level, in United Kingdom. The nearest listed city is Blackwood, 3.0 km away.

Topography around Gelligaer

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

Within 3 km, the terrain around Gelligaer has significant variations in elevation — a maximum elevation change of 262 m around an average of 205 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 554 m; within 80 km, large variations in elevation — a maximum elevation change of 864 m.

The land around Gelligaer is covered by grassland (46%) and trees (36%) within 3 km, grassland (46%) and trees (42%) within 16 km, and grassland (52%) within 80 km.

3 km
262 m
16 km
554 m
80 km
864 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Blackwood 3.0 km · Pontypridd 9.0 km · Caerphilly 10 km · Risca 12 km · Merthyr Tydfil 13 km · Ebbw Vale 13 km · Rhondda 13 km · Aberdare 14 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 Gelligaer (51.6644°, -3.2561°, elevation 233 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).