I-n-Tillit weather in May

In May, I-n-Tillit sees average daytime highs of 41°C and overnight lows near 29°C, with 2 mm of rain across 0.8 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 6th-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 59% 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 48 min by month's end. Set against the rest of the year, May is I-n-Tillit's 9th-clearest and 10th-windiest month. For the whole year in context, see I-n-Tillit's year-round climate.

Daytime high
41°
1st warmest
Overnight low
29°
12th coldest
Rainfall
2 mm
0.8 wet days
Daylight
12 h 42 min
5:36 AM – 6:20 PM
Cloud cover
39%
9th clearest
Wind
14 km/h
10th windiest
Solar energy
7.12 kWh/m²
Travel score
0.0
out of 10

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 I-n-Tillit reaches about 41°C in the afternoon and slips back to 29°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 39°C and 44°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C warmer than June.

25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14128
24128
34129
44129
54129
64129
74129
84129
94129
104129
114129
124129
134129
144129
154129
164129
174130
184130
194130
204130
214130
224130
234130
244130
254130
264130
274130
284130
294130
304130
314130

How May really feels in I-n-Tillit

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.

I-n-Tillit weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 17°0011.26.4
Feb33° / 19°0011.54.4
Mar37° / 23°0011.91.8
Apr41° / 27°10.112.30.1
May41° / 29°20.812.70.0
Jun40° / 29°113.412.90.2
Jul37° / 27°469.612.81.6
Aug35° / 26°871312.52.4
Sep37° / 27°28512.11.7
Oct38° / 26°30.911.61.1
Nov36° / 22°0011.32.8
Dec32° / 18°0011.15.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37030
47030
56931
66931
76931
86931
97030
107030
117030
127030
137030
147129
157129
167228
177228
187228
197426
207426
217525
227624
237624
247723
257822
267822
277822
287921
297921
307921
317921

Chance of precipitation in May

Any precipitation

I-n-Tillit gets around 2 mm of rain over 0.8 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 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
52
62
72
82
92
102
113
123
133
143
153
163
173
184
194
204
214
224
234
244
254
264
274
284
294
304
315

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18210710
28011810
38011810
47812910
57614910
674151010
772171010
870181020
967201120
1065221120
1164231120
1260251230
1359261230
1457281230
1556291230
1653301340
1752301341
1851311341
1950311441
2049311551
2148311651
2247301751
2346301861
2445291961
2543282171
2642282271
2741272481
2839272681
2937262791
30342629101
31322631111

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 48 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 5:43 AM to 5:34 AM, and sunset from 6:16 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:436:16
212.65:426:16
312.65:426:16
412.65:416:16
512.65:416:17
612.65:406:17
712.65:406:17
812.65:396:17
912.65:396:18
1012.75:386:18
1112.75:386:18
1212.75:386:19
1312.75:376:19
1412.75:376:19
1512.75:376:19
1612.75:366:20
1712.75:366:20
1812.75:366:20
1912.85:366:21
2012.85:356:21
2112.85:356:21
2212.85:356:22
2312.85:356:22
2412.85:356:22
2512.85:346:23
2612.85:346:23
2712.85:346:23
2812.85:346:24
2912.85:346:24
3012.85:346:24
3112.85:346:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.12 kWh/m².

For context, solar energy here swings from a low near 5.44 kWh/m² to a high of 7.26 kWh/m² in April across the year — May's 7.12 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.1Intense
137.1Intense
147.1Intense
157.1Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in May

Hazard calendar for I-n-Tillit

In seasonPeak

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

I-n-Tillit 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 I-n-Tillit?

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
2.1
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in I-n-Tillit.

What to pack for I-n-Tillit in May

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

In May, I-n-Tillit sees daytime highs around 41°C and nights near 29°C. Pack light clothes and sun protection.

light clothessun protection

UV index in I-n-Tillit in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in I-n-Tillit peaks around August 20 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 highExtremeVery highAug 20UV 13Dec 18UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar13Extreme
Apr10Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7High

Air quality in I-n-Tillit 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 I-n-Tillit is worst in February — around 100 µg/m³ PM2.5 (unhealthy), about 3.7× the cleanest month (August, 27 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1599 µg/m³Aug 2327 µg/m³
PM2.5 (µg/m³)Level
Jan94Unhealthy
Feb100Unhealthy
Mar94Unhealthy
Apr74Unhealthy
May71Unhealthy
Jun66Unhealthy
Jul45Poor
Aug27Moderate
Sep28Moderate
Oct43Poor
Nov57Unhealthy
Dec82Unhealthy
Location & terrain

Where is I-n-Tillit?

I-n-Tillit sits at 15.5°N, 0.5°W, 276 m above sea level, in Mali. The nearest listed city is Gao, 92 km away.

AribindaBouremAyorouDoriDjiboMéhanaTéra

Topography around I-n-Tillit

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of I-n-Tillit.

Within 3 km, the terrain around I-n-Tillit has only modest variations in elevation — a maximum elevation change of 30 m around an average of 280 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, only modest variations in elevation — a maximum elevation change of 216 m.

The land around I-n-Tillit is covered by grassland (65%) and bare terrain (22%) within 3 km, grassland (70%) and bare terrain (27%) within 16 km, and grassland (64%) and bare terrain (33%) within 80 km.

3 km
30 m
16 km
67 m
80 km
216 m
treesshrubsgrasslandbare terrainwetland
May weather nearby: Gao 92 km · Aribinda 153 km · Bourem 157 km · Ayorou 173 km · Dori 174 km · Djibo 204 km · Méhana 214 km · Téra 215 km

Mali travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,193
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
22.7
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 408
Religion
Muslim 94%Christian 3%none 3%animist 1%

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 I-n-Tillit (15.5461°, -0.4606°, elevation 276 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).