Calulo weather in August

In August, Calulo sees average daytime highs of 27°C and overnight lows near 14°C, with 5 mm of rain across 1.3 wet days and about 11.7 hours of daylight. It is the 5th-warmest and 10th-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 73% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 11 h 36 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Calulo's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Calulo's year-round climate.

Daytime high
27°
5th warmest
Overnight low
14°
2nd coldest
Rainfall
5 mm
1.3 wet days
Daylight
11 h 42 min
6:14 AM – 5:55 PM
Cloud cover
28%
3rd clearest
Wind
6 km/h
2nd windiest
Solar energy
5.65 kWh/m²
Travel score
8.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Calulo 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 25°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12714
22714
32714
42714
52714
62714
72714
82714
92714
102714
112714
122714
132714
142714
152714
162714
172714
182714
192715
202715
212715
222715
232715
242715
252715
262715
272715
282715
292715
302715
312715

Calulo weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°11716.312.55.4
Feb27° / 18°1201512.35.2
Mar27° / 18°24523.412.14.3
Apr28° / 19°23723.711.84.2
May28° / 18°37711.56.6
Jun28° / 15°20.411.48.6
Jul28° / 14°0011.58.7
Aug27° / 14°51.311.78.4
Sep27° / 16°4010.311.96.6
Oct26° / 18°14322.612.24.6
Nov26° / 18°25626.412.53.9
Dec25° / 18°17521.312.64.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
3919
49010
59010
69010
7919
8919
9919
10919
119010
129010
138911
148911
158911
168812
178812
188713
198614
208614
218515
228515
238515
248416
258416
268416
278416
288317
298317
308317
318218

Chance of precipitation in August

Any precipitation

Calulo gets around 5 mm of rain over 1.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 12% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
61
71
81
91
101
111
121
132
142
152
163
173
184
194
205
216
226
237
248
258
269
2710
2810
2911
3011
3112

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
135641
233661
331672
430682
528702
627703
725723
824733
923743
1022744
1120764
1219774
1318784
1418775
1517785
1616795
1715796
1815796
1914797
2013807
2113798
2212799
23117910
24117811
25107812
2697813
2787913
2887814
2977815
3067816
3167717

Wind in August

Winds average 6 km/h in August.

Across August, 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 August

DaylightNight

Daylight runs from about 11 h 36 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 6:20 AM to 6:07 AM, and sunset from 5:53 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:205:53
211.66:205:53
311.66:195:53
411.66:195:54
511.66:195:54
611.66:185:54
711.66:185:54
811.66:185:54
911.66:175:54
1011.66:175:54
1111.66:175:54
1211.66:165:54
1311.66:165:54
1411.76:155:54
1511.76:155:54
1611.76:145:55
1711.76:145:55
1811.76:145:55
1911.76:135:55
2011.76:135:55
2111.76:125:55
2211.76:125:55
2311.76:115:55
2411.76:115:55
2511.76:105:55
2611.86:095:55
2711.86:095:55
2811.86:085:55
2911.86:085:54
3011.86:075:54
3111.86:075:54

Solar energy in August

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 5.81 kWh/m² in February across the year — August's 5.65 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in August

Hazard calendar for Calulo

In seasonPeak

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

Calulo'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 August a good time to visit Calulo?

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

8.4
Sightseeing
3rd-best month of the year
8.5
Beach & pool
3rd-best month of the year

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

What to pack for Calulo in August

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

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

light clothessun protection

UV index in Calulo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Calulo peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Aug 16UV 7
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar16Extreme
Apr13Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug7Very high
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Calulo in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Calulo is worst in July — around 171 µg/m³ PM2.5 (very unhealthy), about 13.1× the cleanest month (December, 13 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyUnhealthyModerateJul 12166 µg/m³Dec 1413 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar14Moderate
Apr14Moderate
May27Moderate
Jun146Unhealthy
Jul171Very unhealthy
Aug69Unhealthy
Sep67Unhealthy
Oct35Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Calulo?

Calulo sits at 10.0°S, 14.9°E, 995 m above sea level, in Angola. The nearest listed city is Dondo, 62 km away.

LucalaGolungo AltoGabelaCacuso

Topography around Calulo

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

Within 3 km, the terrain around Calulo has significant variations in elevation — a maximum elevation change of 254 m around an average of 987 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,080 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,972 m.

The land around Calulo is covered by grassland (61%) within 3 km, grassland (44%), trees (31%) and shrubs (23%) within 16 km, and grassland (56%) and trees (31%) within 80 km.

3 km
254 m
16 km
1,080 m
80 km
1,972 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Dondo 62 km · Santa Clara 63 km · N'dalatando 78 km · Quibala 82 km · Lucala 90 km · Golungo Alto 97 km · Gabela 110 km · Cacuso 113 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 Calulo (-10.0006°, 14.8952°, elevation 995 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).