Bla weather in May

In May, Bla sees average daytime highs of 38°C and overnight lows near 28°C, with 25 mm of rain across 6.5 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 39°C in the first days to 37°C by the end. The sky is clear or mostly clear about 34% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Bla's 9th-clearest and 6th-windiest month. For the whole year in context, see Bla's year-round climate.

Daytime high
38°
2nd warmest
Overnight low
28°
12th coldest
Rainfall
25 mm
6.5 wet days
Daylight
12 h 36 min
6:01 AM – 6:37 PM
Cloud cover
57%
9th clearest
Wind
10 km/h
6th windiest
Solar energy
6.63 kWh/m²
Travel score
0.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 39°C in the first days to 37°C by the end.

A typical May day in Bla reaches about 38°C in the afternoon and slips back to 28°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 41°C. Set against its neighbours, May runs on par with April and about 3°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13928
23928
33928
43928
53928
63928
73928
83928
93928
103928
113928
123928
133928
143928
153928
163828
173828
183828
193828
203828
213828
223827
233827
243827
253827
263827
273827
283727
293727
303727
313727

How May really feels in Bla

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.

Bla weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°10.211.35.5
Feb34° / 20°00.111.63.6
Mar38° / 24°20.411.91.6
Apr39° / 27°82.512.30.6
May38° / 28°256.512.60.9
Jun36° / 26°4710.312.72.1
Jul32° / 24°1351812.73.2
Aug31° / 23°21221.912.43.4
Sep32° / 24°12316.512.13.5
Oct35° / 24°31711.73.0
Nov35° / 21°10.211.43.2
Dec32° / 18°0011.35.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55545
65446
75545
85545
95545
105545
115446
125446
135347
145347
155248
165149
175149
185050
195050
205050
215050
224852
234852
244951
254951
264951
275050
285050
295050
305149
315149

Chance of precipitation in May

Any precipitation

Bla gets around 25 mm of rain over 6.5 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 21% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
113
213
314
414
515
616
716
817
918
1019
1120
1220
1321
1422
1522
1623
1723
1823
1924
2024
2124
2224
2325
2425
2525
2625
2725
2825
2925
3025
3125

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1201224395
2191223406
3181123417
4171123428
5151123429
61410224310
71310224411
8129224512
9109214613
1098214814
1187204915
1277195017
1366185218
1455185319
1545175420
1634165720
1734155721
1824145822
1923145823
2023135725
2113125826
2213125727
2312115729
2412115630
2512105631
2612105433
2712105334
281295236
291295038
301285039
311274941

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 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 12 minutes over May. Sunrise moves from 6:07 AM to 5:59 AM, and sunset from 6:34 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:076:34
212.56:066:34
312.56:066:34
412.56:056:34
512.56:056:35
612.56:056:35
712.56:046:35
812.56:046:35
912.56:036:35
1012.56:036:36
1112.66:036:36
1212.66:026:36
1312.66:026:36
1412.66:026:37
1512.66:026:37
1612.66:016:37
1712.66:016:37
1812.66:016:38
1912.66:016:38
2012.66:016:38
2112.66:006:38
2212.66:006:39
2312.76:006:39
2412.76:006:39
2512.76:006:40
2612.76:006:40
2712.76:006:40
2812.76:006:41
2912.75:596:41
3012.75:596:41
3112.75:596:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.63 kWh/m².

For context, solar energy here swings from a low near 5.16 kWh/m² to a high of 6.79 kWh/m² in March across the year — May's 6.63 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
76.7Intense
86.7Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Bla

In seasonPeak

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

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

Bla sees seasonal dust haze (February–July), heaviest in April.

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

Is May a good time to visit Bla?

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

0.9
Sightseeing
11th-best month of the year
3.7
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Bla.

What to pack for Bla in May

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

In May, Bla sees daytime highs around 38°C and nights near 28°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Bla 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 Bla peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 18UV 13Jan 11UV 8
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar14Extreme
Apr11Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Bla 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 Bla is worst in February — around 62 µg/m³ PM2.5 (unhealthy), about 4.7× the cleanest month (August, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorFeb 2261 µg/m³Aug 1614 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb62Unhealthy
Mar61Unhealthy
Apr50Poor
May33Moderate
Jun27Moderate
Jul18Moderate
Aug13Moderate
Sep19Moderate
Oct26Moderate
Nov28Moderate
Dec41Poor
Location & terrain

Where is Bla?

Bla sits at 13.0°N, 5.8°W, 295 m above sea level, in Mali. The nearest listed city is Koutiala, 70 km away.

SanDougabougouKé-Macina

Topography around Bla

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

Within 3 km, the terrain around Bla has only modest variations in elevation — a maximum elevation change of 20 m around an average of 290 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, only modest variations in elevation — a maximum elevation change of 152 m.

The land around Bla is covered by cropland (59%) within 3 km, cropland (52%), shrubs (25%) and grassland (21%) within 16 km, and cropland (44%), shrubs (28%) and grassland (25%) within 80 km.

3 km
20 m
16 km
84 m
80 km
152 m
shrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Koutiala 70 km · Pèlèngana 73 km · Ségou 77 km · Diourou 82 km · Markala 89 km · San 101 km · Dougabougou 104 km · Ké-Macina 121 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 Bla (12.9508°, -5.7556°, elevation 295 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).