Kolaboui weather in May

In May, Kolaboui sees average daytime highs of 32°C and overnight lows near 25°C, with 35 mm of rain across 5.9 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Kolaboui's 6th-clearest and 1st-windiest month. For the whole year in context, see Kolaboui's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
12th coldest
Rainfall
35 mm
5.9 wet days
Daylight
12 h 30 min
6:39 AM – 7:09 PM
Cloud cover
56%
6th clearest
Wind
10 km/h
1st windiest
Solar energy
6.11 kWh/m²
Travel score
4.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical May day in Kolaboui reaches about 32°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°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)
13324
23324
33324
43324
53324
63324
73325
83325
93325
103325
113325
123325
133325
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273125
283125
293125
303125
313125

How May really feels in Kolaboui

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.

Kolaboui weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 21°00.111.44.6
Feb34° / 22°0011.64.0
Mar34° / 23°00.111.93.9
Apr33° / 24°10.212.24.3
May32° / 25°355.912.54.2
Jun30° / 25°20323.912.63.2
Jul29° / 24°49730.412.62.9
Aug28° / 24°59330.812.43.0
Sep29° / 24°40529.312.12.8
Oct30° / 24°22828.611.82.8
Nov31° / 24°6112.611.54.2
Dec32° / 22°40.911.45.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
26931
36931
46931
56832
66832
76634
86634
96535
106337
116139
126040
135842
145644
155347
165248
174951
184753
194654
204357
214159
223961
233763
243565
253367
263169
272971
282773
292674
302476
312377

Chance of precipitation in May

Any precipitation

Kolaboui gets around 35 mm of rain over 5.9 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 20% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
13
24
34
44
55
65
76
87
98
109
1110
1211
1313
1414
1516
1618
1719
1821
1923
2025
2127
2229
2330
2432
2535
2637
2739
2841
2943
3045
3148

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
129674
228675
327685
426686
525687
624697
724688
823689
9226810
10216712
11206713
12196714
13176815
14166717
15156718
16146620
17136522
18126523
19116425
20116227
21106129
2296031
2385933
2485735
2575538
2675340
2765242
2865044
2954946
3044749
3144551

Wind in May

Winds average 10 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 6:43 AM to 6:38 AM, and sunset from 7:06 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:437:06
212.46:437:06
312.46:437:06
412.46:427:07
512.46:427:07
612.46:427:07
712.46:417:07
812.46:417:07
912.46:417:07
1012.56:407:07
1112.56:407:08
1212.56:407:08
1312.56:407:08
1412.56:397:08
1512.56:397:08
1612.56:397:09
1712.56:397:09
1812.56:397:09
1912.56:387:09
2012.56:387:10
2112.56:387:10
2212.56:387:10
2312.56:387:10
2412.56:387:11
2512.66:387:11
2612.66:387:11
2712.66:387:11
2812.66:387:12
2912.66:387:12
3012.66:387:12
3112.66:387:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.11 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.83 kWh/m² in April across the year — May's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.5Intense
76.5Intense
86.5Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.0Intense
196.0Bright
205.9Bright
215.9Bright
225.8Bright
235.8Bright
245.7Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Kolaboui

In seasonPeak

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

Kolaboui's monsoon runs July–September, when most of the year's rain falls.

Kolaboui sees seasonal dust haze (February–June), heaviest in March.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Kolaboui?

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

4.2
Sightseeing
4th-best month of the year
6.9
Beach & pool
6th-best month of the year

May is a reasonable time to visit Kolaboui for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kolaboui in May

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

In May, Kolaboui sees daytime highs around 32°C and nights near 25°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Kolaboui 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 31 km away) is warmest in November at about 29°C and coldest in February near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Tropical

UV index in Kolaboui 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 Kolaboui peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 18UV 13Dec 18UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Kolaboui 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 Kolaboui is worst in May — around 95 µg/m³ PM2.5 (unhealthy), about 7.9× the cleanest month (August, 12 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModeratePoorMay 1589 µg/m³Aug 1812 µg/m³
PM2.5 (µg/m³)Level
Jan60Unhealthy
Feb78Unhealthy
Mar63Unhealthy
Apr53Poor
May95Unhealthy
Jun30Moderate
Jul15Moderate
Aug12Good
Sep14Moderate
Oct27Moderate
Nov35Moderate
Dec55Unhealthy
Location & terrain

Where is Kolaboui?

Kolaboui sits at 10.8°N, 14.4°W, 47 m above sea level, in Guinea. The nearest listed city is Boké, 19 km away.

SangarédiWendou BorouFriaXitoleDubrékaKoumbia

Topography around Kolaboui

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

Within 3 km, the terrain around Kolaboui has only modest variations in elevation — a maximum elevation change of 35 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 207 m; within 80 km, significant variations in elevation — a maximum elevation change of 509 m.

The land around Kolaboui is covered by trees (76%) within 3 km, trees (53%) and shrubs (23%) within 16 km, and trees (43%) and water (22%) within 80 km.

3 km
35 m
16 km
207 m
80 km
509 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Boké 19 km · Kamsar 29 km · Sangarédi 77 km · Wendou Borou 91 km · Fria 101 km · Xitole 114 km · Dubréka 147 km · Koumbia 149 km

Guinea travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / K
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,877
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 85%Christian 13%none 1%animist 0%

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 Kolaboui (10.7957°, -14.3997°, elevation 47 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).