Cacuso weather in May

In May, Cacuso sees average daytime highs of 29°C and overnight lows near 18°C, with 16 mm of rain across 3.4 wet days and about 11.6 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 53% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Cacuso's 4th-clearest and 7th-windiest month. For the whole year in context, see Cacuso's year-round climate.

Daytime high
29°
5th warmest
Overnight low
18°
6th coldest
Rainfall
16 mm
3.4 wet days
Daylight
11 h 36 min
6:06 AM – 5:40 PM
Cloud cover
41%
4th clearest
Wind
7 km/h
7th windiest
Solar energy
5.46 kWh/m²
Travel score
6.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Cacuso reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152918
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272917
282917
292917
302917
312917

Cacuso weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°8113.312.55.6
Feb28° / 19°8312.312.35.2
Mar28° / 19°16120.112.14.4
Apr28° / 19°13419.711.84.5
May29° / 18°163.411.66.4
Jun30° / 16°00.111.57.1
Jul30° / 15°0011.56.8
Aug30° / 15°41.111.76.4
Sep30° / 17°4710.811.95.2
Oct28° / 18°13721.712.24.2
Nov27° / 19°17123.212.44.2
Dec27° / 19°12318.412.55.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% 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 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24753
34951
45149
55446
65743
75941
86238
96436
106634
116832
127030
137129
147327
157525
167624
177822
187822
198020
208020
218119
228119
238119
248218
258218
268218
278317
288317
298416
308515
318515

Chance of precipitation in May

Any precipitation

Cacuso gets around 16 mm of rain over 3.4 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 12% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
232
329
427
524
622
720
818
916
1015
1113
1212
1311
149
158
167
177
186
196
205
215
225
235
245
255
264
274
284
294
303
313

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1192565
22102761
32112958
42123155
53133252
63143449
73153646
84163742
95183839
105194036
116204133
127224130
137234228
148244325
158264422
169274420
1710284518
1810294516
1911294614
2011304613
2112314611
2213314610
231332469
241433467
251533466
261634455
271734454
281835443
291936423
302137402
312238382

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 6:04 AM to 6:10 AM, and sunset from 5:44 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:045:44
211.76:045:44
311.76:045:44
411.66:045:43
511.66:045:43
611.66:055:43
711.66:055:42
811.66:055:42
911.66:055:42
1011.66:055:42
1111.66:055:41
1211.66:055:41
1311.66:065:41
1411.66:065:41
1511.66:065:41
1611.66:065:40
1711.66:065:40
1811.66:075:40
1911.66:075:40
2011.56:075:40
2111.56:075:40
2211.56:075:40
2311.56:085:39
2411.56:085:39
2511.56:085:39
2611.56:085:39
2711.56:095:39
2811.56:095:39
2911.56:095:39
3011.56:095:39
3111.56:105:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.46 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 5.74 kWh/m² in February across the year — May's 5.46 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Cacuso

In seasonPeak

None of Cacuso's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Cacuso's rainy season runs October–April, when most of the year's rain falls.

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

Is May a good time to visit Cacuso?

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

6.4
Sightseeing
3rd-best month of the year
8.2
Beach & pool
4th-best month of the year

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

What to pack for Cacuso in May

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

In May, Cacuso sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Cacuso 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 Cacuso peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 12 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Aug 12UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug8Very high
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Cacuso 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 Cacuso is worst in June — around 176 µg/m³ PM2.5 (very unhealthy), about 17.6× the cleanest month (April, 10 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateVery unhealthyUnhealthyModerateGoodJun 23176 µg/m³Dec 1010 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar11Good
Apr10Good
May27Moderate
Jun176Very unhealthy
Jul176Very unhealthy
Aug82Unhealthy
Sep35Poor
Oct18Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Cacuso?

Cacuso sits at 9.4°S, 15.7°E, 1,068 m above sea level, in Angola. The nearest listed city is Bailundo, 32 km away.

CangandalaCazomboSanta ClaraN'dalatandoGolungo Alto

Topography around Cacuso

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

Within 3 km, the terrain around Cacuso has only modest variations in elevation — a maximum elevation change of 87 m around an average of 1,066 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 278 m; within 80 km, large variations in elevation — a maximum elevation change of 1,136 m.

The land around Cacuso is covered by grassland (54%) within 3 km, grassland (46%) and shrubs (35%) within 16 km, and grassland (57%) and trees (24%) within 80 km.

3 km
87 m
16 km
278 m
80 km
1,136 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Bailundo 32 km · Lucala 57 km · Malanje 67 km · Cangandala 85 km · Cazombo 87 km · Santa Clara 92 km · N'dalatando 93 km · Golungo Alto 112 km

Angola travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$3,129
2025
Happiness
3.8 / 10
World Happiness, 2017
Homicide rate
4.1
per 100k, 2016
Road deaths
26.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 413
Religion
Roman Catholic 41%Protestant 38%none 12%other 9%

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 Cacuso (-9.421°, 15.7467°, elevation 1,068 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).