Gamboma weather in May

In May, Gamboma sees average daytime highs of 31°C and overnight lows near 22°C, with 102 mm of rain across 19.5 wet days and about 11.9 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 16% 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 Gamboma's 4th-clearest and 11th-windiest month. For the whole year in context, see Gamboma's year-round climate.

Daytime high
31°
4th warmest
Overnight low
22°
10th coldest
Rainfall
102 mm
19.5 wet days
Daylight
11 h 54 min
5:55 AM – 5:50 PM
Cloud cover
69%
4th clearest
Wind
4 km/h
11th windiest
Solar energy
5.09 kWh/m²
Travel score
3.5
out of 10

Gamboma is city in Nkéni-Alima, Republic of the Congo.

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 31°C through the month.

A typical May day in Gamboma reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273022
283022
293022
303022
313022

How May really feels in Gamboma

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.

Gamboma weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°11920.212.13.4
Feb31° / 22°13119.312.13.1
Mar32° / 22°12921.5123.0
Apr31° / 22°14923.1122.9
May31° / 22°10219.511.93.5
Jun30° / 21°399.711.95.0
Jul30° / 21°29711.95.5
Aug30° / 21°641511.94.5
Sep30° / 21°11322.3123.5
Oct30° / 21°19527.2123.1
Nov30° / 21°17224.612.13.2
Dec30° / 21°14423.712.13.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22575
32575
42674
52773
62872
72872
82971
93169
103268
113466
123466
133565
143664
153763
163763
173763
183763
193763
203763
213862
223862
233862
243961
253961
263961
274060
284060
294060
304258
314258

Chance of precipitation in May

Any precipitation

Gamboma gets around 102 mm of rain over 19.5 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 63% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
273
372
472
571
670
769
868
967
1066
1165
1264
1363
1462
1561
1660
1760
1859
1959
2058
2158
2258
2358
2458
2557
2657
2757
2857
2957
3056
3156

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
10199
20199
300100
400100
500100
600100
700100
80199
90199
100199
110199
120298
130298
140298
150397
160397
170496
180496
190595
200595
210694
220694
230793
240793
250892
260892
270991
2801090
2901189
3001288
3111386

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 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:56 AM to 5:57 AM, and sunset from 5:52 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:565:52
211.95:565:52
311.95:565:51
411.95:555:51
511.95:555:51
611.95:555:51
711.95:555:51
811.95:555:51
911.95:555:51
1011.95:555:51
1111.95:555:51
1211.95:555:50
1311.95:555:50
1411.95:555:50
1511.95:555:50
1611.95:555:50
1711.95:555:50
1811.95:555:50
1911.95:565:50
2011.95:565:50
2111.95:565:50
2211.95:565:50
2311.95:565:50
2411.95:565:50
2511.95:565:50
2611.95:565:50
2711.95:565:51
2811.95:565:51
2911.95:575:51
3011.95:575:51
3111.95:575:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.09 kWh/m².

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 5.62 kWh/m² in February across the year — May's 5.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Is May a good time to visit Gamboma?

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

3.5
Sightseeing
4th-best month of the year
5.2
Beach & pool
4th-best month of the year

May is a weaker month for outdoor sightseeing in Gamboma.

What to pack for Gamboma in May

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

In May, Gamboma sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Gamboma 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 Gamboma peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 highExtremeVery highMar 17UV 13Jun 22UV 7
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun7Very high
Jul8Very high
Aug8Very high
Sep11Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Gamboma 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 Gamboma is worst in July — around 57 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (October, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateModerateJul 1956 µg/m³Oct 2312 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb29Moderate
Mar27Moderate
Apr22Moderate
May30Moderate
Jun48Poor
Jul57Unhealthy
Aug52Poor
Sep23Moderate
Oct12Good
Nov13Moderate
Dec19Moderate
Location & terrain

Where is Gamboma?

Gamboma sits at 1.9°S, 15.9°E, 356 m above sea level, in Republic of the Congo. The nearest listed city is Bolobo, 52 km away.

OyoMossakaDjambalaOwandoMushieMakouaNioki

Topography around Gamboma

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

Within 3 km, the terrain around Gamboma has only modest variations in elevation — a maximum elevation change of 144 m around an average of 349 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 199 m; within 80 km, significant variations in elevation — a maximum elevation change of 422 m.

The land around Gamboma is covered by trees (46%) and grassland (45%) within 3 km, grassland (67%) and trees (31%) within 16 km, and grassland (58%) and trees (36%) within 80 km.

3 km
144 m
16 km
199 m
80 km
422 m
treesshrubsgrasslandartificial surfaceswaterwetland
May weather nearby: Bolobo 52 km · Oyo 80 km · Mossaka 127 km · Djambala 144 km · Owando 155 km · Mushie 173 km · Makoua 211 km · Nioki 223 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 Gamboma (-1.8764°, 15.8644°, elevation 356 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).