Buco Zau weather in May

In May, Buco Zau sees average daytime highs of 29°C and overnight lows near 22°C, with 99 mm of rain across 18.4 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 1% 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 Buco Zau's 2nd-clearest and 7th-windiest month. For the whole year in context, see Buco Zau's year-round climate.

Daytime high
29°
6th warmest
Overnight low
22°
6th coldest
Rainfall
99 mm
18.4 wet days
Daylight
11 h 48 min
6:13 AM – 6:00 PM
Cloud cover
81%
2nd clearest
Wind
5 km/h
7th windiest
Solar energy
3.72 kWh/m²
Travel score
4.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical May day in Buco Zau reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°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 cooler than April and about 2°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
152923
162923
172922
182922
192922
202922
212922
222922
232922
242922
252922
262822
272822
282822
292822
302821
312821

How May really feels in Buco Zau

Once humidity and wind are folded in, May averages 21 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
21
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.

Buco Zau weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°24527.412.23.0
Feb30° / 23°19923.912.23.0
Mar31° / 23°19525.2122.9
Apr30° / 23°19824.311.93.0
May29° / 22°9918.411.84.2
Jun27° / 20°92.611.77.1
Jul26° / 18°61.611.87.4
Aug26° / 19°103.211.87.0
Sep27° / 20°228.8126.0
Oct29° / 22°1052312.13.7
Nov29° / 23°24627.512.23.0
Dec29° / 23°27728.712.32.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6892
7892
8892
9991
101189
111189
121189
131288
141288
151288
161288
171288
181288
191288
201288
211288
221189
231189
241090
251090
26991
27991
28991
29892
30892
31892

Chance of precipitation in May

Any precipitation

Buco Zau gets around 99 mm of rain over 18.4 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 59% and peaks near 83% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
183
283
382
481
580
678
777
875
973
1071
1169
1267
1365
1463
1561
1659
1757
1856
1954
2052
2150
2248
2346
2444
2542
2640
2738
2836
2933
3031
3129

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
107822
207921
308020
408119
508119
608218
708317
818316
918415
1018514
1128513
1228612
1338611
1448511
1548610
165869
176868
187867
198857
2010846
2111845
2212835
2314824
2416813
2517803
2619792
2722762
2824751
2927721
3030691
3133670

Wind in May

Winds average 5 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
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
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 6:12 AM to 6:15 AM, and sunset from 6:02 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:126:02
211.86:126:02
311.86:126:02
411.86:126:01
511.86:126:01
611.86:126:01
711.86:126:01
811.86:126:01
911.86:126:00
1011.86:126:00
1111.86:126:00
1211.86:126:00
1311.86:126:00
1411.86:126:00
1511.86:126:00
1611.86:136:00
1711.86:135:59
1811.86:135:59
1911.86:135:59
2011.86:135:59
2111.86:135:59
2211.86:135:59
2311.86:135:59
2411.86:145:59
2511.86:145:59
2611.86:145:59
2711.86:145:59
2811.86:145:59
2911.86:145:59
3011.76:156:00
3111.76:156:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.72 kWh/m².

For context, solar energy here swings from a low near 3.11 kWh/m² to a high of 4.75 kWh/m² in March across the year — May's 3.72 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.3Moderate
Planning a trip in May

Hazard calendar for Buco Zau

In seasonPeak

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

Buco Zau's monsoon runs November–April, 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 Buco Zau?

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

4.2
Sightseeing
5th-best month of the year
5.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Buco Zau for sightseeing.

What to pack for Buco Zau in May

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

In May, Buco Zau sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 18 days see rain.

light clothesrain gear

Sea temperature near Buco Zau in May

The nearest coast averages about 26°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 62 km away) is warmest in March at about 28°C and coldest in July near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Tropical
Mar28Tropical
Apr28Warm
May26Warm
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep23Refreshing
Oct25Warm
Nov26Warm
Dec26Warm

UV index in Buco Zau 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 Buco Zau peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeMar 16UV 15Aug 10UV 6
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun6High
Jul7High
Aug6High
Sep10Very high
Oct13Extreme
Nov10Extreme
Dec10Very high

Air quality in Buco Zau 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 Buco Zau is worst in July — around 48 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (October, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1547 µg/m³Oct 2421 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb28Moderate
Mar25Moderate
Apr25Moderate
May33Moderate
Jun41Poor
Jul48Poor
Aug39Poor
Sep29Moderate
Oct21Moderate
Nov21Moderate
Dec24Moderate
Location & terrain

Where is Buco Zau?

Buco Zau sits at 4.8°S, 12.6°E, 49 m above sea level, in Angola. The nearest listed city is Belize, 27 km away.

LoudimaCabindaKayes

Topography around Buco Zau

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

Within 3 km, the terrain around Buco Zau has only modest variations in elevation — a maximum elevation change of 227 m around an average of 77 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 403 m; within 80 km, large variations in elevation — a maximum elevation change of 878 m.

The land around Buco Zau is covered by trees (95%) within 3 km, trees (99%) within 16 km, and trees (77%) within 80 km.

3 km
227 m
16 km
403 m
80 km
878 m
treesgrasslandartificial surfaceswaterwetland
May weather nearby: Belize 27 km · Tshela 51 km · Dolisie 65 km · Pointe-Noire 76 km · Loandjili 77 km · Loudima 92 km · Cabinda 97 km · Kayes 103 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 Buco Zau (-4.7667°, 12.55°, elevation 49 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).