Mouila weather in May

In May, Mouila sees average daytime highs of 30°C and overnight lows near 23°C, with 205 mm of rain across 26.9 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 0% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Mouila's 1st-clearest and 9th-windiest month. For the whole year in context, see Mouila's year-round climate.

Daytime high
30°
5th warmest
Overnight low
23°
12th coldest
Rainfall
205 mm
26.9 wet days
Daylight
11 h 54 min
6:15 AM – 6:09 PM
Cloud cover
82%
1st clearest
Wind
4 km/h
9th windiest
Solar energy
4.1 kWh/m²
Travel score
3.0
out of 10

Mouila is capital of the Ngounié region of Gabon.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Mouila reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
272923
282923
292923
302923
312922

How May really feels in Mouila

Once humidity and wind are folded in, May averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mouila weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°30129.512.12.6
Feb31° / 23°2632612.12.5
Mar31° / 23°27328.5122.5
Apr31° / 23°23126.6122.6
May30° / 23°20526.911.93.0
Jun28° / 22°5310.211.95.6
Jul27° / 21°184.911.96.6
Aug27° / 21°246.211.96.3
Sep29° / 22°10118.1124.2
Oct30° / 23°29029.3122.8
Nov29° / 22°34729.612.12.7
Dec30° / 22°35329.812.12.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of May, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6694
7694
8694
9793
10892
11892
12991
13991
14991
15991
161090
171090
181090
191090
20991
21991
22991
23991
24991
25991
26991
27991
28892
29892
30892
31892

Chance of precipitation in May

Any precipitation

Mouila gets around 205 mm of rain over 26.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
593
693
793
892
992
1092
1192
1291
1391
1490
1590
1689
1788
1888
1987
2086
2184
2283
2382
2481
2580
2678
2777
2875
2973
3071
3168

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
108218
208218
308317
408317
508317
608416
708416
808416
908515
1018415
1118415
1218514
1318514
1418613
1518613
1618613
1728612
1828711
1928711
2028810
212899
223889
233898
243907
253907
263916
274915
284924
294924
305923
316913

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May 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 May. Sunrise moves from 6:15 AM to 6:16 AM, and sunset from 6:11 PM to 6:10 PM.

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

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.1 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 4.86 kWh/m² in March across the year — May's 4.1 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.0Bright
204.0Bright
214.0Bright
224.0Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in May

Hazard calendar for Mouila

In seasonPeak

In May, Mouila sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

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

Is May a good time to visit Mouila?

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

3.0
Sightseeing
5th-best month of the year
4.1
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Mouila.

What to pack for Mouila in May

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

In May, Mouila sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Mouila in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mouila peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 18UV 14Jun 18UV 7
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun7Very high
Jul9Very high
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Mouila in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mouila is worst in June — around 23 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJun 2323 µg/m³Oct 208 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb23Moderate
Mar15Moderate
Apr12Moderate
May15Moderate
Jun23Moderate
Jul23Moderate
Aug19Moderate
Sep13Moderate
Oct8Good
Nov10Good
Dec15Moderate
Location & terrain

Where is Mouila?

Mouila sits at 1.9°S, 11.1°E, 92 m above sea level, in Gabon. The nearest listed city is Tchibanga, 119 km away.

TchibangaLambarénéKoulamoutouOyamMossendjoMoandaFrancevillePort-Gentil

Topography around Mouila

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

Within 3 km, the terrain around Mouila has only modest variations in elevation — a maximum elevation change of 29 m around an average of 89 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 370 m; within 80 km, large variations in elevation — a maximum elevation change of 893 m.

The land around Mouila is covered by trees (62%) within 3 km, trees (78%) and grassland (21%) within 16 km, and trees (93%) within 80 km.

3 km
29 m
16 km
370 m
80 km
893 m
treesshrubsgrasslandartificial surfaceswater
May weather nearby: Tchibanga 119 km · Lambaréné 158 km · Koulamoutou 176 km · Oyam 190 km · Mossendjo 219 km · Moanda 241 km · Franceville 282 km · Port-Gentil 283 km

Gabon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$8,263
2025
Happiness
5.2 / 10
World Happiness, 2025
Road deaths
23.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 46%Roman Catholic 30%Muslim 11%none 7%

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 Mouila (-1.8685°, 11.0559°, elevation 92 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).