Isiro weather in April

In April, Isiro sees average daytime highs of 28°C and overnight lows near 21°C, with 188 mm of rain across 23.9 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 4th-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 5% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 12 h 06 min by month's end. Set against the rest of the year, April is Isiro's 11th-clearest and 5th-windiest month. For the whole year in context, see Isiro's year-round climate.

Daytime high
28°
5th warmest
Overnight low
21°
11th coldest
Rainfall
188 mm
23.9 wet days
Daylight
12 h 06 min
6:08 AM – 6:12 PM
Cloud cover
82%
11th clearest
Wind
5 km/h
5th windiest
Solar energy
5.08 kWh/m²
Travel score
3.8
out of 10

Isiro is city in the Democratic Republic of Congo, capital of the Haut-Uele province.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Isiro reaches about 28°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, April runs about 2°C cooler than March and on par with May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102821
112821
122821
132821
142821
152821
162821
172821
182821
192821
202821
212821
222821
232821
242821
252821
262821
272821
282821
292821
302821

How April really feels in Isiro

Once humidity and wind are folded in, April averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Isiro weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°376.611.94.7
Feb32° / 20°609.711.94.0
Mar30° / 21°14620.3123.7
Apr28° / 21°18823.912.13.8
May28° / 21°15224.412.14.1
Jun27° / 20°1342412.24.1
Jul27° / 20°14925.212.14.2
Aug27° / 20°17826.312.14.0
Sep27° / 20°19026.5123.8
Oct27° / 20°22928.311.93.6
Nov27° / 20°2012411.94.1
Dec29° / 20°5810.111.85.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51882
61684
71684
81684
91684
101585
111486
121486
131387
141387
151486
161486
171585
181585
191585
201585
211684
221684
231684
241783
251783
261783
271783
281981
291981
301981

Chance of precipitation in April

Any precipitation

Isiro gets around 188 mm of rain over 23.9 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 79% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
173
273
373
474
575
676
777
878
979
1080
1181
1282
1382
1483
1583
1683
1783
1883
1983
2082
2182
2281
2381
2480
2580
2679
2779
2878
2978
3077

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
14159
24060
33961
43763
53664
63565
73466
83367
93268
103169
113070
122971
132971
142872
152773
162773
172674
182674
192575
202575
212575
222476
232476
242476
252476
262476
272476
282476
292476
302476

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 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
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 12 hours at the start of April to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over April. Sunrise moves from 6:14 AM to 6:04 AM, and sunset from 6:15 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:146:15
212.06:136:15
312.06:136:14
412.06:126:14
512.06:126:14
612.06:126:14
712.06:116:13
812.06:116:13
912.06:106:13
1012.06:106:13
1112.06:106:13
1212.16:096:12
1312.16:096:12
1412.16:096:12
1512.16:086:12
1612.16:086:12
1712.16:086:11
1812.16:076:11
1912.16:076:11
2012.16:076:11
2112.16:066:11
2212.16:066:11
2312.16:066:10
2412.16:066:10
2512.16:056:10
2612.16:056:10
2712.16:056:10
2812.16:056:10
2912.16:046:10
3012.16:046:10

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.08 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 5.75 kWh/m² in February across the year — April's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Isiro?

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

3.8
Sightseeing
9th-best month of the year
4.4
Beach & pool
5th-best month of the year

April is a weaker month for outdoor sightseeing in Isiro.

What to pack for Isiro in April

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

In April, Isiro sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Isiro 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 Isiro peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 highExtremeVery highMar 21UV 14Jul 11UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov10Extreme
Dec10Very high

Air quality in Isiro 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 Isiro is worst in February — around 130 µg/m³ PM2.5 (unhealthy), about 14.4× the cleanest month (October, 9 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateModerateGoodModerateFeb 14120 µg/m³Oct 109 µg/m³
PM2.5 (µg/m³)Level
Jan61Unhealthy
Feb130Unhealthy
Mar49Poor
Apr18Moderate
May10Good
Jun15Moderate
Jul16Moderate
Aug12Moderate
Sep9Good
Oct9Good
Nov15Moderate
Dec36Poor
Location & terrain

Where is Isiro?

Isiro sits at 2.8°N, 27.6°E, 761 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Wamba, 81 km away.

BakwaWatsaYambioMangbwaluBabambaManginaHyosha

Topography around Isiro

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

Within 3 km, the terrain around Isiro has only modest variations in elevation — a maximum elevation change of 60 m around an average of 748 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 286 m; within 80 km, significant variations in elevation — a maximum elevation change of 469 m.

The land around Isiro is covered by artificial surfaces (36%), grassland (32%) and trees (31%) within 3 km, trees (86%) within 16 km, and trees (91%) within 80 km.

3 km
60 m
16 km
286 m
80 km
469 m
treesgrasslandartificial surfaces
April weather nearby: Wamba 81 km · Bakwa 152 km · Watsa 215 km · Yambio 218 km · Mangbwalu 285 km · Babamba 288 km · Mangina 306 km · Hyosha 313 km

Democratic Republic of the Congo travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$807
2025
Happiness
3.8 / 10
World Happiness, 2025
Safe drinking water
12%
of population, 2024
Road deaths
34.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 400

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 Isiro (2.7739°, 27.616°, elevation 761 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).