Balombo weather in May

In May, Balombo sees average daytime highs of 27°C and overnight lows near 14°C, with 6 mm of rain across 1.3 wet days and about 11.4 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 67% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Balombo's 4th-clearest and 3rd-windiest month. For the whole year in context, see Balombo's year-round climate.

Daytime high
27°
5th warmest
Overnight low
14°
4th coldest
Rainfall
6 mm
1.3 wet days
Daylight
11 h 24 min
6:14 AM – 5:40 PM
Cloud cover
31%
4th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.65 kWh/m²
Travel score
8.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Balombo reaches about 27°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12715
22715
32715
42715
52715
62715
72715
82715
92714
102714
112714
122714
132714
142714
152714
162714
172714
182714
192714
202714
212714
222714
232714
242714
252814
262814
272813
282813
292813
302813
312813

Balombo 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
Jan24° / 15°17119.712.65.1
Feb25° / 16°16717.412.45.1
Mar25° / 16°23923.912.14.4
Apr26° / 16°11516.411.75.6
May27° / 14°61.311.48.3
Jun27° / 12°0011.38.9
Jul28° / 12°0011.38.4
Aug30° / 13°30.711.66.9
Sep30° / 14°458.711.95.6
Oct27° / 16°20525.912.34.2
Nov25° / 16°26826.812.64.0
Dec24° / 16°22423.212.74.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27228
37525
47723
57921
68119
78218
88317
98416
108614
118614
128713
138713
148713
158812
168911
178911
189010
199010
209010
21919
22919
23919
24919
25919
26928
27928
28928
29928
30928
31928

Chance of precipitation in May

Any precipitation

Balombo gets around 6 mm of rain over 1.3 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 5% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
119
216
314
413
511
610
79
88
97
106
115
125
134
143
153
163
172
182
192
202
211
221
231
241
251
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 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1294328
2324325
3364322
4394219
5424117
6454015
7493913
8523711
956359
1058348
1161327
1264306
1367285
1470264
1573243
1676222
1778202
1879192
1982171
2083161
2184151
2285141
2386131
2488120
2589110
2690100
279190
289190
299280
309370
319460

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 6:11 AM to 6:18 AM, and sunset from 5:45 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:115:45
211.66:115:45
311.56:115:44
411.56:125:44
511.56:125:43
611.56:125:43
711.56:125:43
811.56:125:42
911.56:135:42
1011.56:135:42
1111.56:135:41
1211.56:135:41
1311.56:135:41
1411.46:145:41
1511.46:145:40
1611.46:145:40
1711.46:145:40
1811.46:155:40
1911.46:155:40
2011.46:155:39
2111.46:155:39
2211.46:165:39
2311.46:165:39
2411.46:165:39
2511.46:175:39
2611.46:175:39
2711.46:175:38
2811.36:175:38
2911.36:185:38
3011.36:185:38
3111.36:185:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.65 kWh/m².

For context, solar energy here swings from a low near 5.29 kWh/m² to a high of 6.07 kWh/m² in September across the year — May's 5.65 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Balombo

In seasonPeak

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

Balombo's monsoon runs October–March, when most of the year's rain falls.

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

Is May a good time to visit Balombo?

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

8.3
Sightseeing
3rd-best month of the year
8.4
Beach & pool
4th-best month of the year

May is one of the better times to visit Balombo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Balombo in May

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

In May, Balombo sees daytime highs around 27°C and nights near 14°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Balombo 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 Balombo peaks around January 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 18UV 16Aug 13UV 9
UV index (midday)Level
Jan17Extreme
Feb15Extreme
Mar16Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug8Very high
Sep10Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme

Air quality in Balombo 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 Balombo is worst in August — around 114 µg/m³ PM2.5 (unhealthy), about 12.5× the cleanest month (December, 9 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodAug 10113 µg/m³Dec 239 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr12Moderate
May31Moderate
Jun72Unhealthy
Jul109Unhealthy
Aug114Unhealthy
Sep51Poor
Oct21Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Balombo?

Balombo sits at 12.4°S, 14.8°E, 1,203 m above sea level, in Angola. The nearest listed city is Chindumbo, 56 km away.

Alto Hama

Topography around Balombo

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

Within 3 km, the terrain around Balombo has only modest variations in elevation — a maximum elevation change of 148 m around an average of 1,197 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,436 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,995 m.

The land around Balombo is covered by cropland (63%) within 3 km, trees (31%), cropland (28%) and shrubs (27%) within 16 km, and shrubs (31%), grassland (28%) and trees (21%) within 80 km.

3 km
148 m
16 km
1,436 m
80 km
1,995 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Chindumbo 56 km · Londuimbali 61 km · Bocoio 70 km · Cubal do Lumbo 70 km · Ucuma 74 km · Ganda 75 km · Longonjo 80 km · Alto Hama 86 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 Balombo (-12.3543°, 14.7723°, elevation 1,203 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).