Demba weather in May

In May, Demba sees average daytime highs of 30°C and overnight lows near 21°C, with 68 mm of rain across 12.7 wet days and about 11.8 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Demba's 4th-clearest and 6th-windiest month. For the whole year in context, see Demba's year-round climate.

Daytime high
30°
4th warmest
Overnight low
21°
9th coldest
Rainfall
68 mm
12.7 wet days
Daylight
11 h 48 min
6:35 AM – 6:20 PM
Cloud cover
64%
4th clearest
Wind
4 km/h
6th windiest
Solar energy
4.94 kWh/m²
Travel score
4.6
out of 10

Demba is town in DR Congo.

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 30°C through the month.

A typical May day in Demba reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How May really feels in Demba

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.

Demba weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°13619.212.34.0
Feb30° / 21°13117.512.23.8
Mar30° / 22°17621.3123.6
Apr29° / 22°16021.411.93.7
May30° / 21°6812.711.84.6
Jun31° / 20°132.811.75.2
Jul32° / 20°71.711.74.9
Aug31° / 21°5710.511.84.5
Sep30° / 21°13020.7123.7
Oct29° / 21°17224.112.13.5
Nov29° / 21°18324.612.23.5
Dec29° / 21°16222.712.33.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22773
32773
42971
53070
63070
73268
83367
93565
103763
113862
124060
134258
144357
154456
164654
174654
184654
194753
204753
214852
224951
234951
244852
254951
264951
274852
284951
294951
305050
315050

Chance of precipitation in May

Any precipitation

Demba gets around 68 mm of rain over 12.7 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 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
258
357
456
555
653
752
851
950
1048
1147
1245
1343
1442
1540
1639
1737
1836
1935
2034
2133
2233
2332
2431
2531
2630
2729
2829
2928
3027
3126

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1000694
2000694
3000793
4000892
5000892
6000991
70001090
80001189
90001288
100001387
110001486
120011584
130011683
140011881
150011980
160022078
170022177
180022276
190022375
200032374
210032473
220032572
230042670
240042670
250042769
260152866
270152866
280162964
291162963
301273060
311273159

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:34 AM to 6:37 AM, and sunset from 6:22 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:346:22
211.86:346:22
311.86:346:22
411.86:346:22
511.86:346:21
611.86:346:21
711.86:346:21
811.86:346:21
911.86:346:21
1011.86:346:20
1111.86:346:20
1211.86:346:20
1311.86:346:20
1411.86:346:20
1511.86:356:20
1611.86:356:20
1711.76:356:20
1811.76:356:20
1911.76:356:19
2011.76:356:19
2111.76:356:19
2211.76:356:19
2311.76:366:19
2411.76:366:19
2511.76:366:19
2611.76:366:19
2711.76:366:19
2811.76:366:19
2911.76:376:19
3011.76:376:19
3111.76:376:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.94 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.94 kWh/m² to a high of 5.48 kWh/m² in February across the year — May's 4.94 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Is May a good time to visit Demba?

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

4.6
Sightseeing
3rd-best month of the year
6.3
Beach & pool
4th-best month of the year

May is a reasonable time to visit Demba for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Demba in May

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

In May, Demba sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Demba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Demba peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 19UV 15Aug 12UV 5
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May9Very high
Jun8Very high
Jul6High
Aug5High
Sep11Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Demba 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 Demba is worst in August — around 122 µg/m³ PM2.5 (unhealthy), about 8.4× the cleanest month (November, 15 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateAug 13117 µg/m³Nov 1715 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb31Moderate
Mar19Moderate
Apr18Moderate
May28Moderate
Jun45Poor
Jul90Unhealthy
Aug122Unhealthy
Sep39Poor
Oct18Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Demba?

Demba sits at 5.5°S, 22.3°E, 632 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Kananga, 47 km away.

Kabeya-KamwangaLusamboMiabiMbuji-MayiTshikapa

Topography around Demba

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

Within 3 km, the terrain around Demba has only modest variations in elevation — a maximum elevation change of 109 m around an average of 582 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 170 m; within 80 km, significant variations in elevation — a maximum elevation change of 376 m.

The land around Demba is covered by trees (40%), shrubs (24%) and grassland (21%) within 3 km, trees (72%) and shrubs (22%) within 16 km, and trees (79%) within 80 km.

3 km
109 m
16 km
170 m
80 km
376 m
treesshrubsgrasslandartificial surfaces
May weather nearby: Kananga 47 km · Luebo 95 km · Mweka 106 km · Kabeya-Kamwanga 122 km · Lusambo 142 km · Miabi 148 km · Mbuji-Mayi 162 km · Tshikapa 192 km

Democratic Republic of the Congo travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$807
2025
Happiness
3.8 / 10
World Happiness, 2025
Safe drinking water
12%
of population, 2024
Road deaths
34.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 400

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 Demba (-5.4957°, 22.2696°, elevation 632 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).