Ndioum weather in May

In May, Ndioum sees average daytime highs of 41°C and overnight lows near 26°C, with 0 mm of rain across 0.1 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 41°C through the month. The sky is clear or mostly clear about 74% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Ndioum's 1st-clearest and 3rd-windiest month. For the whole year in context, see Ndioum's year-round climate.

Daytime high
41°
1st warmest
Overnight low
26°
7th coldest
Rainfall
0 mm
0.1 wet days
Daylight
12 h 48 min
6:32 AM – 7:18 PM
Cloud cover
24%
1st clearest
Wind
18 km/h
3rd windiest
Solar energy
7.46 kWh/m²
Travel score
0.0
out of 10

Ndioum is town in Saint-Louis Region, 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 41°C through the month.

A typical May day in Ndioum reaches about 41°C in the afternoon and slips back to 26°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 38°C and 44°C. Set against its neighbours, May runs about 2°C warmer than April and on par with June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14025
24025
34025
44025
54025
64025
74025
84126
94126
104126
114126
124126
134126
144126
154126
164126
174126
184126
194126
204126
214126
224126
234126
244126
254127
264127
274127
284127
294127
304127
314127

How May really feels in Ndioum

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.

Ndioum weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°30.211.15.4
Feb34° / 20°10.311.44.1
Mar37° / 22°10.111.92.3
Apr39° / 24°0012.40.7
May41° / 26°00.112.80.0
Jun40° / 26°30.6130.1
Jul38° / 26°153.112.91.4
Aug36° / 26°597.912.62.1
Sep37° / 27°447.212.11.7
Oct39° / 26°132.511.60.9
Nov36° / 23°10.211.22.4
Dec33° / 20°20.2114.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28713
38713
48713
58911
68911
78911
88911
98911
108911
118911
128812
138812
148812
158614
168515
178515
188515
198416
208317
218317
228218
238218
248218
258218
268218
278218
288317
298317
308317
318416

Chance of precipitation in May

Any precipitation

Ndioum gets around 0 mm of rain over 0.1 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
181
191
201
211
221
231
241
250
261
271
281
291
301
311

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1811630
2801730
3791740
4781840
5761851
6741961
7731971
8712081
9712081
10692191
116821101
126622111
136323122
146224122
156025132
166025132
175826142
185727142
195727142
205528143
215528143
225429143
235430133
245231143
255131144
265032144
274832154
284733165
294533175
304333196
314033206

Wind in May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 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 6:38 AM to 6:29 AM, and sunset from 7:13 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:387:13
212.66:387:14
312.66:377:14
412.66:377:14
512.66:367:14
612.76:367:15
712.76:357:15
812.76:357:15
912.76:347:16
1012.76:347:16
1112.76:347:16
1212.76:337:17
1312.76:337:17
1412.76:327:17
1512.86:327:18
1612.86:327:18
1712.86:317:18
1812.86:317:19
1912.86:317:19
2012.86:317:19
2112.86:307:20
2212.86:307:20
2312.86:307:20
2412.86:307:21
2512.96:307:21
2612.96:297:21
2712.96:297:22
2812.96:297:22
2912.96:297:22
3012.96:297:23
3112.96:297:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.46 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 7.46 kWh/m² in May across the year — May's 7.46 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.4Intense
187.4Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.4Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in May

Hazard calendar for Ndioum

In seasonPeak

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

Ndioum sees dust haze year-round, heaviest in June.

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

Is May a good time to visit Ndioum?

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

0.0
Sightseeing
12th-best month of the year
2.6
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Ndioum.

What to pack for Ndioum in May

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

In May, Ndioum sees daytime highs around 41°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ndioum 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 Ndioum peaks around March 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highMar 14UV 12Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar13Extreme
Apr11Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep11Extreme
Oct9Very high
Nov8Very high
Dec7Very high

Air quality in Ndioum 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 Ndioum is worst in February — around 134 µg/m³ PM2.5 (unhealthy), about 3.7× the cleanest month (August, 37 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyFeb 10132 µg/m³Aug 2138 µg/m³
PM2.5 (µg/m³)Level
Jan126Unhealthy
Feb134Unhealthy
Mar103Unhealthy
Apr104Unhealthy
May108Unhealthy
Jun105Unhealthy
Jul57Unhealthy
Aug37Poor
Sep42Poor
Oct63Unhealthy
Nov66Unhealthy
Dec113Unhealthy
Location & terrain

Where is Ndioum?

Ndioum sits at 16.5°N, 14.6°W, 18 m above sea level, in Senegal. The nearest listed city is Podor, 37 km away.

BoguéTékaneDaganaRichard-TollRosso

Topography around Ndioum

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

Within 3 km, the terrain around Ndioum has only modest variations in elevation — a maximum elevation change of 31 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 40 m; within 80 km, only modest variations in elevation — a maximum elevation change of 83 m.

The land around Ndioum is covered by grassland (61%) within 3 km, grassland (74%) within 16 km, and grassland (90%) within 80 km.

3 km
31 m
16 km
40 m
80 km
83 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Podor 37 km · Bogué 42 km · Tékane 75 km · Aleg 99 km · Dagana 102 km · Richard-Toll 112 km · Boutilimitt 115 km · Rosso 123 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 Ndioum (16.5129°, -14.6471°, elevation 18 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).