Greenock weather in August

In August, Greenock sees average daytime highs of 17°C and overnight lows near 11°C, with 143 mm of rain across 18.2 wet days and about 14.8 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 6% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 54 min at the start of August to 13 h 42 min by month's end. Set against the rest of the year, August is Greenock's 3rd-clearest and 11th-windiest month. For the whole year in context, see Greenock's year-round climate.

Daytime high
17°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
143 mm
18.2 wet days
Daylight
14 h 54 min
4:57 AM – 7:49 PM
Cloud cover
77%
3rd clearest
Wind
11 km/h
11th windiest
Solar energy
3.52 kWh/m²
Travel score
4.4
out of 10

Greenock is town and administrative centre of Inverclyde, Scotland, UK.

Air quality
Good
PM2.5 6.6 µg/m³ · 2019

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 17°C through the month.

A typical August day in Greenock reaches about 17°C in the afternoon and slips back to 11°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 20°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)
11812
21811
31811
41811
51811
61811
71811
81811
91811
101811
111811
121711
131711
141711
151711
161711
171711
181711
191711
201711
211711
221711
231710
241710
251710
261710
271710
281710
291710
301610
311610

How August really feels in Greenock

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.

Greenock 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 / 17718.65.37.40.4
Feb / 14416.44.69.20.6
Mar / 13116.33.311.41.2
Apr11° / 10415.60.913.82.2
May14° / 11015.70.1163.4
Jun16° / 11216.2017.24.0
Jul17° / 11°12517.3016.74.5
Aug17° / 11°14318.2014.84.4
Sep15° / 13015.7012.53.8
Oct12° / 17417.40.110.12.5
Nov / 16017.80.781.3
Dec / 17117.23.46.80.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22179
32179
42179
52278
62278
72278
82278
92179
102179
112179
122179
132179
142179
152179
162179
172179
182179
192179
202179
212179
222179
232179
242179
252179
262179
272179
282179
292080
302080
312080

Chance of precipitation in August

Any precipitation

Greenock gets around 143 mm of rain over 18.2 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 58% and peaks near 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
159
259
359
459
559
659
759
859
959
1059
1160
1260
1360
1460
1561
1661
1761
1861
1961
2060
2160
2259
2358
2458
2557
2656
2755
2854
2953
3053
3152

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
167285
268275
369265
469265
569265
670255
770255
870255
970255
1070255
1170255
1271254
1371254
1471254
1571254
1673243
1773243
1873243
1975232
2076222
2176222
2278211
2379201
2480191
2580191
2681181
2782171
2883170
2984160
3084160
3184160

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 54 min at the start of August to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over August. Sunrise moves from 4:28 AM to 5:28 AM, and sunset from 8:22 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:288:22
215.84:308:20
315.84:328:18
415.74:348:16
515.64:368:14
615.64:388:12
715.54:408:09
815.44:428:07
915.44:448:05
1015.34:468:03
1115.24:488:00
1215.14:507:58
1315.14:527:56
1415.04:547:54
1514.94:567:51
1614.94:577:49
1714.84:597:46
1814.75:017:44
1914.65:037:41
2014.65:057:39
2114.55:077:37
2214.45:097:34
2314.35:117:31
2414.35:137:29
2514.25:157:26
2614.15:177:24
2714.05:197:21
2814.05:227:19
2913.95:247:16
3013.85:267:13
3113.75:287:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.52 kWh/m².

For context, solar energy here swings from a low near 0.35 kWh/m² to a high of 4.7 kWh/m² in May across the year — August's 3.52 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.1Moderate
293.1Moderate
303.0Moderate
313.0Moderate
Planning a trip in August

Is August a good time to visit Greenock?

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

4.4
Sightseeing
2nd-best month of the year
Beach & pool
never really warm enough

August is a reasonable time to visit Greenock for sightseeing.

What to pack for Greenock in August

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

In August, Greenock sees daytime highs around 17°C and nights near 11°C. Pack rain gear. About 18 days see rain.

rain gear

Sea temperature near Greenock in August

The nearest coast averages about 15°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 24 km away) is warmest in August at about 15°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr8Bracing
May10Bracing
Jun13Bracing
Jul15Bracing
Aug15Cool
Sep14Bracing
Oct12Bracing
Nov11Bracing
Dec9Bracing

UV index in Greenock in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Greenock peaks around June 20 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Greenock?

Greenock sits at 55.9°N, 4.8°W, 12 m above sea level, in United Kingdom. The nearest listed city is Vale of Leven, 12 km away.

Topography around Greenock

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

Within 3 km, the terrain around Greenock has significant variations in elevation — a maximum elevation change of 279 m around an average of 65 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 706 m; within 80 km, large variations in elevation — a maximum elevation change of 1,195 m.

The land around Greenock is covered by water (41%) and grassland (27%) within 3 km, grassland (50%), water (24%) and trees (22%) within 16 km, and grassland (53%) and water (24%) within 80 km.

3 km
279 m
16 km
706 m
80 km
1,195 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Vale of Leven 12 km · Dumbarton 12 km · Erskine 20 km · Johnstone 20 km · Clydebank 23 km · Paisley 24 km · Renfrew 24 km · Bearsden 27 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 Greenock (55.9484°, -4.7612°, elevation 12 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).