Franceville weather in May

In May, Franceville sees average daytime highs of 30°C and overnight lows near 22°C, with 138 mm of rain across 23.5 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 7% 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 Franceville's 3rd-clearest and 11th-windiest month. For the whole year in context, see Franceville's year-round climate.

Daytime high
30°
5th warmest
Overnight low
22°
10th coldest
Rainfall
138 mm
23.5 wet days
Daylight
11 h 54 min
6:04 AM – 6:00 PM
Cloud cover
73%
3rd clearest
Wind
4 km/h
11th windiest
Solar energy
4.76 kWh/m²
Travel score
3.4
out of 10

Franceville is City in Gabon, West Africa.

Founded
1880

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 Franceville reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°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 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
272921
282921
292921
302921
312921

How May really feels in Franceville

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.

Franceville 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°14621.812.13.4
Feb31° / 22°15220.312.13.1
Mar31° / 22°17623.4122.9
Apr31° / 22°16523.6123.0
May30° / 22°13823.511.93.4
Jun29° / 21°409.611.95.6
Jul28° / 20°266.811.96.5
Aug29° / 21°4711.711.95.2
Sep29° / 21°10920.9123.8
Oct30° / 21°19727.4123.1
Nov30° / 21°20726.512.13.1
Dec30° / 21°18424.912.13.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51882
61882
71981
82080
92179
102278
112377
122476
132674
142674
152872
162971
173070
183070
193169
203268
213268
223367
233466
243565
253664
263565
273565
283565
293664
303763
313763

Chance of precipitation in May

Any precipitation

Franceville gets around 138 mm of rain over 23.5 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 75% and peaks near 82% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
181
281
382
482
582
681
781
880
980
1079
1179
1278
1378
1477
1577
1676
1776
1875
1974
2073
2173
2272
2372
2472
2571
2671
2770
2869
2968
3066
3164

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
301000
401000
501000
601000
701000
801000
901000
1001000
111990
121990
131990
141990
151990
162980
172980
182980
193970
203970
213970
224960
234960
244960
255950
265950
275950
286940
297930
307930
319910

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 6:05 AM to 6:06 AM, and sunset from 6:01 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:056:01
211.96:046:01
311.96:046:01
411.96:046:01
511.96:046:01
611.96:046:00
711.96:046:00
811.96:046:00
911.96:046:00
1011.96:046:00
1111.96:046:00
1211.96:046:00
1311.96:046:00
1411.96:046:00
1511.96:046:00
1611.96:046:00
1711.96:046:00
1811.96:046:00
1911.96:046:00
2011.96:046:00
2111.96:046:00
2211.96:056:00
2311.96:056:00
2411.96:056:00
2511.96:056:00
2611.96:056:00
2711.96:056:00
2811.96:056:00
2911.96:056:00
3011.96:066:00
3111.96:066:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.76 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.49 kWh/m² in March across the year — May's 4.76 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Is May a good time to visit Franceville?

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

3.4
Sightseeing
5th-best month of the year
4.7
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Franceville.

What to pack for Franceville in May

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

In May, Franceville sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Franceville 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 Franceville peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 16UV 14Jun 19UV 7
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun7Very high
Jul9Very high
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec9Very high

Air quality in Franceville 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 Franceville is worst in July — around 28 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (October, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJul 1828 µg/m³Oct 2110 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb25Moderate
Mar16Moderate
Apr14Moderate
May18Moderate
Jun27Moderate
Jul28Moderate
Aug28Moderate
Sep19Moderate
Oct9Good
Nov11Good
Dec18Moderate
Location & terrain

Where is Franceville?

Franceville sits at 1.6°S, 13.6°E, 405 m above sea level, in Gabon. The nearest listed city is Moanda, 43 km away.

MoandaKoulamoutouDjambalaMossendjoSibitiMakokouMouyondzi

Topography around Franceville

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

Within 3 km, the terrain around Franceville has only modest variations in elevation — a maximum elevation change of 155 m around an average of 335 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 264 m; within 80 km, significant variations in elevation — a maximum elevation change of 545 m.

The land around Franceville is covered by trees (66%) within 3 km, trees (72%) within 16 km, and trees (79%) within 80 km.

3 km
155 m
16 km
264 m
80 km
545 m
treesshrubsgrasslandartificial surfaceswater
May weather nearby: Moanda 43 km · Koulamoutou 136 km · Djambala 164 km · Mossendjo 176 km · Sibiti 229 km · Gamboma 255 km · Makokou 258 km · Mouyondzi 265 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 Franceville (-1.6333°, 13.5836°, elevation 405 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).