Harper weather in August

In August, Harper sees average daytime highs of 26°C and overnight lows near 23°C, with 123 mm of rain across 20.6 wet days and about 12.1 hours of daylight. It is the 12th-warmest and 9th-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 Harper's 12th-clearest and 1st-windiest month. For the whole year in context, see Harper's year-round climate.

Daytime high
26°
12th warmest
Overnight low
23°
1st coldest
Rainfall
123 mm
20.6 wet days
Daylight
12 h 06 min
6:31 AM – 6:39 PM
Cloud cover
84%
12th clearest
Wind
14 km/h
1st windiest
Solar energy
3.94 kWh/m²
Travel score
4.7
out of 10

Harper is town in Maryland, Liberia.

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 Harper reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°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)
12623
22623
32623
42623
52623
62623
72623
82623
92623
102623
112623
122623
132623
142623
152623
162623
172623
182623
192623
202623
212623
222623
232623
242623
252623
262623
272623
282624
292624
302624
312624

How August really feels in Harper

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.

Harper weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°9519.611.84.5
Feb29° / 25°10820.811.93.9
Mar29° / 25°14826123.4
Apr29° / 25°15626.212.13.3
May28° / 25°29129.312.23.2
Jun27° / 24°28225.712.23.9
Jul26° / 24°13419.812.24.8
Aug26° / 23°12320.612.14.7
Sep27° / 24°24027.3123.7
Oct27° / 24°19729.211.93.6
Nov28° / 24°13826.311.83.6
Dec28° / 24°11624.411.84.0

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 9% of August, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61090
71090
81090
91090
101090
111090
121090
131090
141090
151090
161090
171090
18991
19991
20892
21892
22892
23892
24892
25892
26892
27892
28892
29892
30892
31892

Chance of precipitation in August

Any precipitation

Harper gets around 123 mm of rain over 20.6 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 67% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
255
355
455
555
655
755
856
956
1057
1158
1259
1361
1462
1564
1665
1767
1869
1970
2072
2173
2275
2376
2477
2578
2679
2780
2881
2982
3083
3184

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
14258
24258
34258
44159
54159
64060
74060
83961
93862
103763
113664
123565
133367
143268
153070
162872
172674
182476
192377
202179
211981
221783
231684
241486
251387
261189
271090
28991
29892
30793
31694

Wind in August

Winds average 14 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 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light 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
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 6:31 AM to 6:28 AM, and sunset from 6:43 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:316:43
212.26:316:43
312.26:316:42
412.26:316:42
512.26:316:42
612.26:316:42
712.26:316:42
812.26:316:41
912.26:316:41
1012.26:316:41
1112.26:316:41
1212.26:316:40
1312.26:316:40
1412.26:316:40
1512.16:316:40
1612.16:316:39
1712.16:316:39
1812.16:306:39
1912.16:306:38
2012.16:306:38
2112.16:306:38
2212.16:306:37
2312.16:306:37
2412.16:306:36
2512.16:296:36
2612.16:296:36
2712.16:296:35
2812.16:296:35
2912.16:296:34
3012.16:286:34
3112.16:286:34

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.94 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 5.22 kWh/m² in March across the year — August's 3.94 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
294.0Moderate
304.0Bright
314.0Bright
Planning a trip in August

Hazard calendar for Harper

In seasonPeak

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

Harper 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 Harper?

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

4.7
Sightseeing
2nd-best month of the year
4.6
Beach & pool
5th-best month of the year

August is a reasonable time to visit Harper for sightseeing.

What to pack for Harper in August

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

In August, Harper sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 21 days see rain.

rain gearlight clothes

Sea temperature near Harper 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 offshore 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
Mar28Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec28Tropical

UV index in Harper 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 Harper peaks around April 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 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 14UV 13Jul 15UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Harper 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 Harper is worst in January — around 41 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (September, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateJan 2040 µg/m³Sep 207 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb37Poor
Mar26Moderate
Apr31Moderate
May13Moderate
Jun13Moderate
Jul13Moderate
Aug9Good
Sep7Good
Oct8Good
Nov12Good
Dec29Moderate
Location & terrain

Where is Harper?

Harper sits at 4.4°N, 7.7°W, 14 m above sea level, in Liberia. The nearest listed city is Pleebo City, 24 km away.

TabouPetit Grabo

Topography around Harper

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

Within 3 km, the terrain around Harper has only modest variations in elevation — a maximum elevation change of 39 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, significant variations in elevation — a maximum elevation change of 405 m.

The land around Harper is covered by water (46%) and grassland (22%) within 3 km, water (53%) and trees (30%) within 16 km, and trees (56%) and water (41%) within 80 km.

3 km
39 m
16 km
80 m
80 km
405 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Pleebo City 24 km · Tabou 40 km · Gnépasso 99 km · Petit Grabo 108 km · Watté 120 km · San-Pédro 126 km · Dagadji 129 km · Gagny 130 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 Harper (4.3782°, -7.7108°, elevation 14 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).