Owendo weather in May

In May, Owendo sees average daytime highs of 30°C and overnight lows near 24°C, with 224 mm of rain across 26.2 wet days and about 12 hours of daylight. It is the 4th-warmest and 7th-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 1% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of May to 12 hours by month's end. Set against the rest of the year, May is Owendo's 8th-clearest and 6th-windiest month. For the whole year in context, see Owendo's year-round climate.

Daytime high
30°
4th warmest
Overnight low
24°
10th coldest
Rainfall
224 mm
26.2 wet days
Daylight
12 hours
6:18 AM – 6:19 PM
Cloud cover
83%
8th clearest
Wind
7 km/h
6th windiest
Solar energy
4.54 kWh/m²
Travel score
3.2
out of 10

Owendo is place in Estuaire Province, 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 Owendo reaches about 30°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163024
173024
183024
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How May really feels in Owendo

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.

Owendo weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°24729.1122.9
Feb30° / 24°21625.7122.8
Mar30° / 25°26728.8122.7
Apr30° / 25°25527.3122.7
May30° / 24°22426.2123.2
Jun28° / 23°6611125.6
Jul27° / 23°265.6126.6
Aug28° / 23°276.7126.4
Sep28° / 24°12320.2124.2
Oct29° / 24°33530.2123.0
Nov29° / 24°38229.7122.8
Dec29° / 24°31130.2122.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3991
4991
5991
61090
71090
81189
91189
101189
111288
121288
131288
141288
151288
161288
171288
181288
191288
201288
211288
221189
231189
241189
251189
261090
271090
281090
291090
301090
311189

Chance of precipitation in May

Any precipitation

Owendo gets around 224 mm of rain over 26.2 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 84% and peaks near 91% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
391
491
591
691
791
890
990
1090
1190
1290
1389
1489
1589
1688
1787
1886
1985
2084
2183
2281
2380
2478
2577
2675
2773
2871
2969
3067
3165

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11288
21288
31387
41486
51486
61585
71783
81882
91981
102080
112278
122377
132575
142773
152971
163169
173466
183664
193961
204159
214456
224753
234951
245248
255545
265743
276040
286337
296535
306832
317030

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
319calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 0 minutes over May. Sunrise moves from 6:19 AM to 6:19 AM, and sunset from 6:19 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:196:19
212.06:196:19
312.06:196:19
412.06:186:19
512.06:186:19
612.06:186:19
712.06:186:19
812.06:186:19
912.06:186:19
1012.06:186:19
1112.06:186:19
1212.06:186:19
1312.06:186:19
1412.06:186:19
1512.06:186:19
1612.06:186:19
1712.06:186:19
1812.06:186:19
1912.06:186:19
2012.06:186:19
2112.06:186:19
2212.06:186:19
2312.06:186:19
2412.06:186:19
2512.06:186:19
2612.06:186:19
2712.06:186:19
2812.06:196:19
2912.06:196:20
3012.06:196:20
3112.06:196:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.54 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 4.95 kWh/m² in March across the year — May's 4.54 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Owendo

In seasonPeak

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

Owendo'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 Owendo?

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

3.2
Sightseeing
5th-best month of the year
4.3
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Owendo.

What to pack for Owendo in May

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

In May, Owendo sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Owendo in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Owendo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Owendo peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 20UV 13Jun 19UV 8
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun8Very high
Jul9Very high
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Owendo 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 Owendo is worst in February — around 47 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (September, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1346 µg/m³Sep 2222 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb47Poor
Mar38Poor
Apr34Moderate
May33Moderate
Jun35Moderate
Jul33Moderate
Aug28Moderate
Sep22Moderate
Oct23Moderate
Nov28Moderate
Dec37Poor
Location & terrain

Where is Owendo?

Owendo sits at 0.3°N, 9.5°E, 6 m above sea level, in Gabon. The nearest listed city is Libreville, 13 km away.

AkandaLambarénéPort-GentilOyamBataCiudad de la Paz

Topography around Owendo

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

Within 3 km, the terrain around Owendo has only modest variations in elevation — a maximum elevation change of 64 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 112 m; within 80 km, large variations in elevation — a maximum elevation change of 709 m.

The land around Owendo is covered by water (67%) within 3 km, water (57%) and trees (20%) within 16 km, and trees (54%) and water (38%) within 80 km.

3 km
64 m
16 km
112 m
80 km
709 m
treesgrasslandartificial surfacesbare terrainwatermangroves
May weather nearby: Libreville 13 km · Ntoum 31 km · Akanda 40 km · Lambaréné 137 km · Port-Gentil 138 km · Oyam 142 km · Bata 177 km · Ciudad de la Paz 206 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 Owendo (0.2912°, 9.5046°, elevation 6 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).