Calulo weather in April

In April, Calulo sees average daytime highs of 28°C and overnight lows near 19°C, with 237 mm of rain across 23.7 wet days and about 11.8 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 8% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 42 min by month's end. Set against the rest of the year, April is Calulo's 7th-clearest and 10th-windiest month. For the whole year in context, see Calulo's year-round climate.

Daytime high
28°
4th warmest
Overnight low
19°
12th coldest
Rainfall
237 mm
23.7 wet days
Daylight
11 h 48 min
6:07 AM – 5:54 PM
Cloud cover
78%
7th clearest
Wind
5 km/h
10th windiest
Solar energy
5.1 kWh/m²
Travel score
4.2
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical April day in Calulo reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°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, April runs on par with March and on par with May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819

Calulo weather by month

How April compares with the rest of the year at a glance. April is the 4th-warmest and 3rd-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31288
41387
51387
61387
71486
81585
91585
101684
111684
121783
131783
141783
151783
161783
171981
181981
192080
202080
212179
222278
232476
242674
252872
262971
273268
283466
293763
303961

Chance of precipitation in April

Any precipitation

Calulo gets around 237 mm of rain over 23.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 78% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
186
286
386
486
586
686
786
885
985
1085
1184
1284
1384
1483
1583
1682
1781
1880
1979
2077
2176
2274
2372
2470
2567
2665
2762
2860
2957
3054

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
119882
219882
319882
419891
519891
619891
719891
819891
919891
1019891
1119891
1218901
1318901
1418901
1518901
1608911
1708911
1808911
1908911
2019891
2119891
22110881
23110881
24111871
25212851
26213841
27215821
28316801
29318781
30420751

Wind in April

Winds average 5 km/h in April.

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

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 6:08 AM to 6:08 AM, and sunset from 6:03 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:086:03
211.96:086:02
311.96:076:01
411.96:076:01
511.96:076:00
611.96:076:00
711.96:075:59
811.96:075:58
911.86:075:58
1011.86:075:57
1111.86:075:57
1211.86:075:56
1311.86:075:56
1411.86:075:55
1511.86:075:55
1611.86:075:54
1711.86:075:53
1811.86:075:53
1911.86:075:52
2011.76:075:52
2111.76:075:51
2211.76:075:51
2311.76:075:51
2411.76:085:50
2511.76:085:50
2611.76:085:49
2711.76:085:49
2811.76:085:48
2911.76:085:48
3011.76:085:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.1 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 — April's 5.1 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
Planning a trip in April

Hazard calendar for Calulo

In seasonPeak

In April, Calulo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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 April a good time to visit Calulo?

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

4.2
Sightseeing
11th-best month of the year
4.5
Beach & pool
8th-best month of the year

April is a reasonable time to visit Calulo for sightseeing.

What to pack for Calulo in April

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

In April, Calulo sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Calulo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).