Sédhiou weather in May

In May, Sédhiou sees average daytime highs of 37°C and overnight lows near 24°C, with 2 mm of rain across 0.5 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 37°C through the month. The sky is clear or mostly clear about 57% 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 42 min by month's end. Set against the rest of the year, May is Sédhiou's 4th-clearest and 3rd-windiest month. For the whole year in context, see Sédhiou's year-round climate.

Daytime high
37°
2nd warmest
Overnight low
24°
10th coldest
Rainfall
2 mm
0.5 wet days
Daylight
12 h 36 min
6:41 AM – 7:16 PM
Cloud cover
37%
4th clearest
Wind
10 km/h
3rd windiest
Solar energy
6.94 kWh/m²
Travel score
1.7
out of 10

Sédhiou is town in Senegal.

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 37°C through the month.

A typical May day in Sédhiou reaches about 37°C in the afternoon and slips back to 24°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 39°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13824
23824
33824
43824
53824
63824
73824
83824
93824
103824
113824
123824
133824
143724
153724
163724
173725
183725
193725
203725
213725
223725
233725
243725
253725
263725
273725
283725
293725
303725
313725

How May really feels in Sédhiou

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
31 feel dangerously hot (≥ 39°C)
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.

Sédhiou weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°00.111.34.4
Feb35° / 20°10.111.63.0
Mar37° / 22°0011.91.9
Apr38° / 23°0012.31.5
May37° / 24°20.512.61.7
Jun35° / 25°457.312.72.5
Jul31° / 25°22322.312.73.0
Aug30° / 24°33127.512.42.8
Sep31° / 24°23823.312.12.9
Oct33° / 24°7512.311.73.5
Nov33° / 22°61.411.44.0
Dec33° / 19°20.211.34.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27921
37921
47921
57921
67921
78119
88020
98020
107921
117921
127822
137723
147624
157525
167426
177228
187228
197129
207030
216832
226832
236733
246634
256535
266535
276436
286337
296238
306139
316040

Chance of precipitation in May

Any precipitation

Sédhiou gets around 2 mm of rain over 0.5 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 2% and peaks near 8% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
81
91
101
111
121
131
141
152
162
172
182
192
202
212
223
233
243
254
265
275
286
297
308
318

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1117404020
2116404130
3114404230
4113404340
5112394440
6111394550
7010384650
809384760
908374870
1007364980
1106355090
1205345290
13053253100
14043153120
15033054130
16032954140
17022855150
18022755160
19012656170
20012555190
21012455200
22012354220
23012155230
24012053251
25011952271
26011752291
27011651311
28001551331
29001349362
30001248382
31001146403

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 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
1610calm
1710calm
1810calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:46 AM to 6:39 AM, and sunset from 7:13 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:467:13
212.56:467:13
312.56:457:13
412.56:457:13
512.56:447:14
612.56:447:14
712.56:447:14
812.56:437:14
912.56:437:14
1012.56:437:15
1112.56:427:15
1212.66:427:15
1312.66:427:15
1412.66:417:16
1512.66:417:16
1612.66:417:16
1712.66:417:16
1812.66:407:17
1912.66:407:17
2012.66:407:17
2112.66:407:17
2212.66:407:18
2312.66:407:18
2412.66:407:18
2512.76:397:18
2612.76:397:19
2712.76:397:19
2812.76:397:19
2912.76:397:20
3012.76:397:20
3112.76:397:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.94 kWh/m².

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 7.14 kWh/m² in April across the year — May's 6.94 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.1Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.6Intense
306.6Intense
316.5Intense
Planning a trip in May

Hazard calendar for Sédhiou

In seasonPeak

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

Sédhiou sits in the Atlantic hurricane belt; the season peaks August–October.

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

Sédhiou sees seasonal dust haze (February–July), heaviest in June.

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

Is May a good time to visit Sédhiou?

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

1.7
Sightseeing
11th-best month of the year
5.0
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Sédhiou.

What to pack for Sédhiou in May

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

In May, Sédhiou sees daytime highs around 37°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Sédhiou 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 Sédhiou peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 7 (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 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec7High

Air quality in Sédhiou 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 Sédhiou is worst in February — around 108 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (August, 18 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 18105 µg/m³Aug 2119 µg/m³
PM2.5 (µg/m³)Level
Jan71Unhealthy
Feb108Unhealthy
Mar89Unhealthy
Apr61Unhealthy
May52Poor
Jun52Poor
Jul28Moderate
Aug18Moderate
Sep21Moderate
Oct39Poor
Nov47Poor
Dec61Unhealthy
Location & terrain

Where is Sédhiou?

Sédhiou sits at 12.7°N, 15.6°W, 21 m above sea level, in Senegal. The nearest listed city is Goudomp, 37 km away.

Nema KunkuKoldaBignonaZiguinchorSoma

Topography around Sédhiou

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

Within 3 km, the terrain around Sédhiou has only modest variations in elevation — a maximum elevation change of 39 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around Sédhiou is covered by water (37%) within 3 km, trees (43%) and shrubs (31%) within 16 km, and trees (54%) and shrubs (24%) within 80 km.

3 km
39 m
16 km
54 m
80 km
70 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Goudomp 37 km · Nema Kunku 70 km · Kolda 70 km · Bignona 73 km · Ziguinchor 79 km · Soma 81 km · Reino de Antula 90 km · Santa-Luzia 91 km

Senegal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / D / E / K
230 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$1,955
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
27%
of population, 2024
Homicide rate
0.3
per 100k, 2015
Road deaths
23.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 442
Religion
Muslim 97%Christian 3%

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 Sédhiou (12.7081°, -15.5569°, elevation 21 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).