Banko weather in May

In May, Banko sees average daytime highs of 34°C and overnight lows near 24°C, with 100 mm of rain across 15.2 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 33°C by the end. The sky is clear or mostly clear about 23% 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 Banko's 7th-clearest and 2nd-windiest month. For the whole year in context, see Banko's year-round climate.

Daytime high
34°
4th warmest
Overnight low
24°
11th coldest
Rainfall
100 mm
15.2 wet days
Daylight
12 h 30 min
6:24 AM – 6:54 PM
Cloud cover
64%
7th clearest
Wind
8 km/h
2nd windiest
Solar energy
6.14 kWh/m²
Travel score
2.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 36°C in the first days to 33°C by the end.

A typical May day in Banko reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13625
23625
33625
43625
53625
63525
73525
83525
93525
103525
113525
123525
133524
143424
153424
163424
173424
183424
193424
203424
213424
223324
233324
243324
253324
263324
273323
283323
293323
303323
313223

How May really feels in Banko

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.

Banko weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°20.411.44.7
Feb35° / 21°10.311.63.1
Mar37° / 24°61.611.91.9
Apr37° / 25°265.512.21.7
May34° / 24°10015.212.52.5
Jun31° / 23°19623.312.63.1
Jul29° / 22°24525.112.63.4
Aug29° / 22°26326.612.43.4
Sep30° / 22°25625.812.13.1
Oct31° / 21°15521.511.83.4
Nov32° / 20°203.411.54.4
Dec33° / 19°10.211.44.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35149
44951
54951
64852
74852
84753
94753
104654
114555
124456
134456
144357
154258
164159
174159
184060
194060
204060
213961
223862
233862
243862
253862
263763
273763
283664
293664
303664
313664

Chance of precipitation in May

Any precipitation

Banko gets around 100 mm of rain over 15.2 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 50% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
129
230
331
432
533
634
736
838
940
1042
1144
1246
1348
1450
1552
1653
1755
1856
1957
2058
2159
2260
2360
2461
2561
2662
2763
2864
2965
3066
3167

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
117163838
217153741
316143643
415133546
515123449
614113351
704103254
80393058
90382960
100272863
110262765
120152569
130152470
140142372
150132274
160122176
170122077
180021979
190011980
200011881
210011782
220001783
230001684
240001684
250001684
260001585
270001585
280001585
290001486
300001486
310001486

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:29 AM to 6:23 AM, and sunset from 6:51 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:296:51
212.46:286:51
312.46:286:52
412.46:286:52
512.46:276:52
612.46:276:52
712.46:276:52
812.46:266:52
912.46:266:52
1012.46:266:53
1112.56:266:53
1212.56:256:53
1312.56:256:53
1412.56:256:53
1512.56:256:54
1612.56:246:54
1712.56:246:54
1812.56:246:54
1912.56:246:54
2012.56:246:55
2112.56:246:55
2212.56:236:55
2312.56:236:55
2412.56:236:56
2512.56:236:56
2612.66:236:56
2712.66:236:56
2812.66:236:57
2912.66:236:57
3012.66:236:57
3112.66:236:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.14 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 6.68 kWh/m² in March across the year — May's 6.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Bright
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.8Bright
Planning a trip in May

Hazard calendar for Banko

In seasonPeak

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

Banko's monsoon runs June–October, when most of the year's rain falls.

Banko sees seasonal dust haze (February–June), heaviest in April.

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

Is May a good time to visit Banko?

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

2.5
Sightseeing
10th-best month of the year
4.9
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Banko.

What to pack for Banko in May

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

In May, Banko sees daytime highs around 34°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Banko in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Banko peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highMar 17UV 14Dec 16UV 7
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Banko 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 Banko is worst in March — around 81 µg/m³ PM2.5 (unhealthy), about 8.1× the cleanest month (August, 10 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModeratePoorMar 1580 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan63Unhealthy
Feb71Unhealthy
Mar81Unhealthy
Apr68Unhealthy
May27Moderate
Jun21Moderate
Jul13Moderate
Aug10Good
Sep13Moderate
Oct23Moderate
Nov27Moderate
Dec48Poor
Location & terrain

Where is Banko?

Banko sits at 10.7°N, 10.7°W, 546 m above sea level, in Guinea. The nearest listed city is Bissikrima, 28 km away.

DogometDinguirayeArfa MoussaïaFaranahKouroussaDouako

Topography around Banko

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

Within 3 km, the terrain around Banko has significant variations in elevation — a maximum elevation change of 298 m around an average of 516 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 604 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.

The land around Banko is covered by trees (41%) and grassland (25%) within 3 km, grassland (38%), trees (27%) and shrubs (21%) within 16 km, and trees (51%) and grassland (26%) within 80 km.

3 km
298 m
16 km
604 m
80 km
694 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Bissikrima 28 km · Dabola 43 km · Dogomet 52 km · Dinguiraye 64 km · Arfa Moussaïa 71 km · Faranah 75 km · Kouroussa 91 km · Douako 124 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 Banko (10.7167°, -10.7167°, elevation 546 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).