Greenville weather in August

In August, Greenville sees average daytime highs of 26°C and overnight lows near 24°C, with 226 mm of rain across 23.5 wet days and about 12.2 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Greenville's 12th-clearest and 1st-windiest month. For the whole year in context, see Greenville's year-round climate.

Daytime high
26°
12th warmest
Overnight low
24°
1st coldest
Rainfall
226 mm
23.5 wet days
Daylight
12 h 12 min
6:35 AM – 6:45 PM
Cloud cover
84%
12th clearest
Wind
15 km/h
1st windiest
Solar energy
3.82 kWh/m²
Travel score
4.4
out of 10

Greenville is capital of Sinoe County, Liberia.

Founded
1838

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 26°C through the month.

A typical August day in Greenville reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 26°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624
312624

How August really feels in Greenville

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.

Greenville weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°9121.411.74.7
Feb28° / 25°10522.111.84.0
Mar28° / 25°13226.7123.6
Apr29° / 25°16027.112.13.3
May28° / 25°29429.912.23.3
Jun27° / 25°34527.612.33.7
Jul26° / 24°21822.212.34.5
Aug26° / 24°22623.512.24.4
Sep26° / 24°37328.6123.6
Oct27° / 24°22030.311.93.5
Nov28° / 24°14828.711.83.6
Dec28° / 25°11426.411.74.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31288
41288
51288
61288
71288
81288
91387
101387
111288
121288
131288
141288
151288
161288
171288
181288
191288
201288
211189
221189
231189
241189
251189
261189
271189
281090
291090
301090
311090

Chance of precipitation in August

Any precipitation

Greenville gets around 226 mm of rain over 23.5 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 76% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
167
267
367
468
568
668
768
869
969
1070
1170
1271
1371
1472
1573
1674
1775
1876
1978
2079
2180
2281
2382
2483
2584
2685
2786
2886
2987
3088
3188

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
13961
23862
33862
43763
53664
63664
73565
83466
93367
103268
113169
122971
132872
142674
152476
162377
172179
181981
191882
201684
211585
221387
231288
241090
25991
26892
27793
28694
29595
30496
31496

Wind in August

Winds average 15 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 13 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
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 12 min at the start of August to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over August. Sunrise moves from 6:36 AM to 6:33 AM, and sunset from 6:49 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:366:49
212.26:366:49
312.26:366:49
412.26:366:48
512.26:366:48
612.26:366:48
712.26:366:48
812.26:366:47
912.26:366:47
1012.26:366:47
1112.26:366:47
1212.26:366:46
1312.26:366:46
1412.26:356:46
1512.26:356:46
1612.26:356:45
1712.26:356:45
1812.26:356:45
1912.26:356:44
2012.16:356:44
2112.16:356:43
2212.16:356:43
2312.16:346:43
2412.16:346:42
2512.16:346:42
2612.16:346:41
2712.16:346:41
2812.16:346:41
2912.16:346:40
3012.16:336:40
3112.16:336:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.82 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 5.06 kWh/m² in April across the year — August's 3.82 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.9Moderate
Planning a trip in August

Hazard calendar for Greenville

In seasonPeak

None of Greenville's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Greenville sees seasonal dust haze (February), heaviest in February.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Greenville?

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

4.4
Sightseeing
3rd-best month of the year
4.2
Beach & pool
6th-best month of the year

August is a reasonable time to visit Greenville for sightseeing.

What to pack for Greenville in August

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

In August, Greenville sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes. About 24 days see rain.

rain gearlight clothes

Sea temperature near Greenville in August

The nearest coast averages about 26°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 16 km away) is warmest in May at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Warm
Mar28Warm
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug26Warm
Sep27Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Greenville in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Greenville peaks around April 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highApr 19UV 13Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr13Extreme
May13Extreme
Jun10Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Greenville in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Greenville is worst in February — around 42 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (September, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateFeb 841 µg/m³Sep 167 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb42Poor
Mar33Moderate
Apr29Moderate
May14Moderate
Jun13Moderate
Jul12Good
Aug9Good
Sep7Good
Oct9Good
Nov14Moderate
Dec32Moderate
Location & terrain

Where is Greenville?

Greenville sits at 5.0°N, 9.0°W, 10 m above sea level, in Liberia. The nearest listed city is Buchanan, 148 km away.

BuchananZwedruPleebo CityHarperPetit GraboParaTabouHarbel

Topography around Greenville

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

Within 3 km, the terrain around Greenville has only modest variations in elevation — a maximum elevation change of 23 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 88 m; within 80 km, significant variations in elevation — a maximum elevation change of 431 m.

The land around Greenville is covered by water (34%), trees (24%) and mangroves (21%) within 3 km, trees (48%) and water (48%) within 16 km, and trees (64%) and water (35%) within 80 km.

3 km
23 m
16 km
88 m
80 km
431 m
treesgrasslandartificial surfaceswatermangroves
August weather nearby: Buchanan 148 km · Zwedru 154 km · Pleebo City 159 km · Harper 163 km · Petit Grabo 193 km · Para 198 km · Tabou 198 km · Harbel 200 km

Liberia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2025
GDP per capita
$915
2025
Happiness
4.3 / 10
World Happiness, 2025
Homicide rate
3.1
per 100k, 2012
Road deaths
38.9
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Christian 85%Muslim 12%none 3%Traditional 1%

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 Greenville (5.0113°, -9.0388°, 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).