Mossendjo weather in August

In August, Mossendjo sees average daytime highs of 26°C and overnight lows near 19°C, with 11 mm of rain across 2.6 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 11th-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 2% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Mossendjo's 12th-clearest and 1st-windiest month. For the whole year in context, see Mossendjo's year-round climate.

Daytime high
26°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
11 mm
2.6 wet days
Daylight
11 h 54 min
6:16 AM – 6:10 PM
Cloud cover
87%
12th clearest
Wind
7 km/h
1st windiest
Solar energy
3.4 kWh/m²
Travel score
7.1
out of 10

Mossendjo is village in Republic of the Congo.

Density
3,821/km²
people per km²

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 Mossendjo reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, August runs on par with July and about 2°C cooler than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222620
232620
242620
252620
262620
272720
282720
292720
302720
312720

How August really feels in Mossendjo

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.

Mossendjo weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°24927.712.23.0
Feb30° / 22°2012412.12.9
Mar30° / 22°19126123.0
Apr30° / 22°21225.611.93.0
May29° / 22°13721.711.93.7
Jun27° / 20°163.911.86.9
Jul26° / 19°61.511.87.4
Aug26° / 19°112.611.97.1
Sep28° / 21°4010.5125.7
Oct29° / 21°21026.612.13.2
Nov29° / 21°30928.512.12.9
Dec29° / 21°30429.312.22.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 4% of August, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
3991
4991
5892
6892
7991
8991
9991
10991
11991
12991
13892
14892
15892
16694
17694
18694
19595
20595
21496
22496
23496
24496
25496
26397
27397
28397
29298
30298
31298

Chance of precipitation in August

Any precipitation

Mossendjo gets around 11 mm of rain over 2.6 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 8% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
54
64
74
84
95
105
116
126
137
147
158
168
179
1810
1910
2011
2111
2212
2312
2412
2512
2613
2713
2813
2913
3014
3114

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
114851
214752
314554
414455
514257
614059
713861
813663
913564
1013366
1113267
1213168
1313069
1412970
1512871
1612772
1712772
1812673
1912673
2012673
2112574
2202575
2302476
2402377
2502278
2602179
2702080
2801981
2901882
3001684
3101585

Wind in August

Winds average 7 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 54 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over August. Sunrise moves from 6:19 AM to 6:11 AM, and sunset from 6:11 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:196:11
211.96:196:11
311.96:196:11
411.96:196:11
511.96:196:11
611.96:186:11
711.96:186:11
811.96:186:11
911.96:186:11
1011.96:186:11
1111.96:176:11
1211.96:176:11
1311.96:176:11
1411.96:176:11
1511.96:166:10
1611.96:166:10
1711.96:166:10
1811.96:166:10
1911.96:156:10
2011.96:156:10
2111.96:156:10
2211.96:146:09
2311.96:146:09
2411.96:146:09
2511.96:136:09
2611.96:136:09
2711.96:136:08
2811.96:126:08
2911.96:126:08
3011.96:116:08
3111.96:116:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.4 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 4.96 kWh/m² in March across the year — August's 3.4 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in August

Hazard calendar for Mossendjo

In seasonPeak

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

Mossendjo's rainy season runs October–April, when most of the year's rain falls.

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

Is August a good time to visit Mossendjo?

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

7.1
Sightseeing
2nd-best month of the year
6.9
Beach & pool
3rd-best month of the year

August is one of the better times to visit Mossendjo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mossendjo in August

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

In August, Mossendjo sees daytime highs around 26°C and nights near 19°C. Worth packing: light clothes.

light clothes

UV index in Mossendjo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mossendjo peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeMar 16UV 15Jun 18UV 7
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun7High
Jul9Very high
Aug9Very high
Sep12Extreme
Oct14Extreme
Nov11Extreme
Dec10Extreme

Air quality in Mossendjo 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 Mossendjo is worst in July — around 28 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJul 1128 µg/m³Nov 1210 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar14Moderate
Apr12Moderate
May19Moderate
Jun28Moderate
Jul28Moderate
Aug25Moderate
Sep18Moderate
Oct11Good
Nov10Good
Dec14Moderate
Location & terrain

Where is Mossendjo?

Mossendjo sits at 2.9°S, 12.7°E, 448 m above sea level, in Republic of the Congo. The nearest listed city is Sibiti, 108 km away.

SibitiLoudimaDolisieNkayiKayesMoandaFrancevilleMouyondzi

Topography around Mossendjo

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

Within 3 km, the terrain around Mossendjo has only modest variations in elevation — a maximum elevation change of 133 m around an average of 448 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 338 m; within 80 km, large variations in elevation — a maximum elevation change of 751 m.

The land around Mossendjo is covered by trees (65%) and grassland (29%) within 3 km, trees (93%) within 16 km, and trees (88%) within 80 km.

3 km
133 m
16 km
338 m
80 km
751 m
treesgrasslandartificial surfaces
August weather nearby: Sibiti 108 km · Loudima 136 km · Dolisie 139 km · Nkayi 152 km · Kayes 154 km · Moanda 163 km · Franceville 176 km · Mouyondzi 179 km

Republic of the Congo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$2,515
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
46%
of population, 2021
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Roman Catholic 33%Awakening Churches/Christian Revival 22%Protestant 20%none 11%

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 Mossendjo (-2.9497°, 12.7042°, elevation 448 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. 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).