Donghol-Sigon weather in May

In May, Donghol-Sigon sees average daytime highs of 33°C and overnight lows near 22°C, with 97 mm of rain across 12.5 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 31°C by the end. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels muggy.

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 Donghol-Sigon's 7th-clearest and 6th-windiest month. For the whole year in context, see Donghol-Sigon's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
22°
12th coldest
Rainfall
97 mm
12.5 wet days
Daylight
12 h 30 min
6:29 AM – 7:01 PM
Cloud cover
61%
7th clearest
Wind
6 km/h
6th windiest
Solar energy
6.42 kWh/m²
Travel score
3.2
out of 10

Donghol-Sigon is human settlement in Guinea.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 31°C by the end.

A typical May day in Donghol-Sigon reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, May runs about 2°C cooler than April and about 4°C warmer than June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13522
23422
33422
43422
53422
63422
73422
83422
93422
103422
113422
123422
133422
143322
153322
163322
173322
183322
193322
203322
213222
223222
233222
243222
253222
263222
273221
283221
293121
303121
313121

How May really feels in Donghol-Sigon

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.

Donghol-Sigon weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°10.311.45.8
Feb33° / 18°10.311.64.8
Mar34° / 20°40.811.93.8
Apr35° / 22°112.812.33.2
May33° / 22°9712.512.53.2
Jun29° / 21°24224.512.73.4
Jul27° / 20°37329.112.63.5
Aug27° / 20°4093012.43.4
Sep28° / 20°32928.712.13.3
Oct30° / 19°15320.911.73.9
Nov31° / 18°19311.55.4
Dec31° / 17°20.511.35.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45545
55545
65545
75446
85446
95347
105347
115248
125149
135050
144852
154852
164753
174456
184456
194357
204258
214159
223961
233862
243862
253763
263664
273565
283565
293367
303367
313367

Chance of precipitation in May

Any precipitation

Donghol-Sigon gets around 97 mm of rain over 12.5 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 41% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
116
217
318
419
520
621
723
825
928
1030
1133
1235
1338
1440
1543
1645
1747
1848
1950
2051
2152
2253
2354
2455
2556
2657
2758
2859
2961
3062
3163

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1172531243
2152431263
3142432274
4132332284
5122232305
6112131315
7102031336
892030347
981929368
1071728389
11616283910
12515274112
13414264213
14413254414
15312244516
16311234617
17210224818
1829214919
1928205020
2017195221
2117185321
2216175422
2316165423
2415155623
2505145724
2605135824
2704125925
2804116025
2903106126
300396226
310386227

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
305calm
315calm

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 6:34 AM to 6:27 AM, and sunset from 6:58 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:346:58
212.46:336:59
312.46:336:59
412.46:326:59
512.46:326:59
612.56:326:59
712.56:316:59
812.56:317:00
912.56:317:00
1012.56:307:00
1112.56:307:00
1212.56:307:00
1312.56:307:01
1412.56:297:01
1512.56:297:01
1612.56:297:01
1712.56:297:02
1812.66:287:02
1912.66:287:02
2012.66:287:02
2112.66:287:03
2212.66:287:03
2312.66:287:03
2412.66:287:03
2512.66:277:04
2612.66:277:04
2712.66:277:04
2812.66:277:04
2912.66:277:05
3012.66:277:05
3112.66:277:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.42 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.89 kWh/m² in April across the year — May's 6.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
316.0Bright
Planning a trip in May

Hazard calendar for Donghol-Sigon

In seasonPeak

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

Donghol-Sigon's monsoon runs June–September, when most of the year's rain falls.

Donghol-Sigon sees seasonal dust haze (February–June), heaviest in June.

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

Is May a good time to visit Donghol-Sigon?

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

3.2
Sightseeing
11th-best month of the year
5.7
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Donghol-Sigon.

What to pack for Donghol-Sigon in May

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

In May, Donghol-Sigon sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Donghol-Sigon 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 Donghol-Sigon peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highMar 18UV 14Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Donghol-Sigon 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 Donghol-Sigon is worst in December — around 77 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (August, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyPoorModeratePoorUnhealthyDec 1874 µg/m³Aug 1614 µg/m³
PM2.5 (µg/m³)Level
Jan57Unhealthy
Feb53Poor
Mar50Poor
Apr77Unhealthy
May47Poor
Jun26Moderate
Jul17Moderate
Aug13Moderate
Sep17Moderate
Oct32Moderate
Nov50Poor
Dec77Unhealthy
Location & terrain

Where is Donghol-Sigon?

Donghol-Sigon sits at 11.8°N, 12.2°W, 940 m above sea level, in Guinea. The nearest listed city is Labé, 54 km away.

LabéTouguéKédougouPitaTéliméléKoumbiaKoundaraKamabi

Topography around Donghol-Sigon

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

Within 3 km, the terrain around Donghol-Sigon has significant variations in elevation — a maximum elevation change of 353 m around an average of 885 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 861 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,449 m.

The land around Donghol-Sigon is covered by grassland (57%) and trees (34%) within 3 km, trees (49%) and grassland (45%) within 16 km, and trees (49%) and grassland (33%) within 80 km.

3 km
353 m
16 km
861 m
80 km
1,449 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Labé 54 km · Tougué 72 km · Kédougou 84 km · Pita 85 km · Télimélé 134 km · Koumbia 140 km · Koundara 140 km · Kamabi 147 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 Donghol-Sigon (11.8°, -12.2167°, elevation 940 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).