Isaka weather in April

In April, Isaka sees average daytime highs of 28°C and overnight lows near 19°C, with 98 mm of rain across 13.5 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 5th-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 20% of the time in April, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of April to 11 h 54 min by month's end. Set against the rest of the year, April is Isaka's 8th-clearest and 7th-windiest month. For the whole year in context, see Isaka's year-round climate.

Daytime high
28°
10th warmest
Overnight low
19°
7th coldest
Rainfall
98 mm
13.5 wet days
Daylight
11 h 54 min
6:51 AM – 6:46 PM
Cloud cover
66%
8th clearest
Wind
9 km/h
7th windiest
Solar energy
5.94 kWh/m²
Travel score
5.2
out of 10

Isaka is settlement in Shinyanga Region, Tanzania.

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 Isaka 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 31°C. Set against its neighbours, April runs on par with March and about 1°C cooler than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262919
272919
282919
292919
302919

How April really feels in Isaka

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.

Isaka weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°11918.112.24.9
Feb29° / 19°9314.512.14.7
Mar29° / 19°11816.4124.7
Apr28° / 19°9813.511.95.2
May29° / 19°203.911.86.2
Jun29° / 19°20.411.86.5
Jul29° / 18°00.111.86.9
Aug30° / 19°30.611.96.1
Sep32° / 20°71.3125.2
Oct32° / 20°275.112.14.5
Nov30° / 20°10313.312.24.5
Dec28° / 19°13018.512.24.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23763
33664
43664
53664
63664
73664
83664
93664
103763
113763
123763
133763
143862
153961
163961
174060
184060
194159
204159
214159
224159
234258
244258
254258
264258
274357
284456
294456
304456

Chance of precipitation in April

Any precipitation

Isaka gets around 98 mm of rain over 13.5 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 46% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
161
261
360
459
558
657
756
855
954
1053
1152
1251
1350
1448
1547
1646
1744
1843
1941
2040
2138
2237
2336
2435
2534
2633
2731
2830
2929
3027

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11114345
21104345
31104345
41104345
51114444
61114443
71114542
81124641
91124740
102124739
112134837
122134936
132145035
142145133
152155132
162155330
172165329
182175427
193185326
203195325
213215323
223225322
234235122
244245121
254265020
265275019
275284918
285294817
296304716
306324616

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over April. Sunrise moves from 6:54 AM to 6:50 AM, and sunset from 6:52 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:546:52
212.06:546:52
312.06:536:51
412.06:536:51
512.06:536:50
611.96:536:50
711.96:536:49
811.96:526:49
911.96:526:49
1011.96:526:48
1111.96:526:48
1211.96:526:47
1311.96:526:47
1411.96:516:47
1511.96:516:46
1611.96:516:46
1711.96:516:46
1811.96:516:45
1911.96:516:45
2011.96:506:45
2111.96:506:44
2211.96:506:44
2311.96:506:44
2411.96:506:43
2511.96:506:43
2611.96:506:43
2711.96:506:42
2811.96:506:42
2911.96:506:42
3011.96:506:42

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.94 kWh/m².

For context, solar energy here swings from a low near 5.76 kWh/m² to a high of 6.92 kWh/m² in September across the year — April's 5.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in April

Hazard calendar for Isaka

In seasonPeak

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

Isaka's rainy season runs November–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 Isaka?

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

5.2
Sightseeing
5th-best month of the year
6.2
Beach & pool
7th-best month of the year

April is a reasonable time to visit Isaka for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Isaka in April

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

In April, Isaka sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Isaka in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Isaka peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 16Jun 17UV 10
UV index (midday)Level
Jan13Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Isaka 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 Isaka is worst in January — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (May, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1917 µg/m³May 218 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar12Moderate
Apr10Good
May8Good
Jun8Good
Jul10Good
Aug11Good
Sep11Good
Oct10Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Isaka?

Isaka sits at 3.9°S, 32.9°E, 1,201 m above sea level, in Tanzania. The nearest listed city is Tinde, 30 km away.

MhangoSongwaMwadui

Topography around Isaka

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

Within 3 km, the terrain around Isaka has only modest variations in elevation — a maximum elevation change of 34 m around an average of 1,187 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 228 m; within 80 km, significant variations in elevation — a maximum elevation change of 502 m.

The land around Isaka is covered by cropland (85%) within 3 km, cropland (86%) within 16 km, and cropland (75%) within 80 km.

3 km
34 m
16 km
228 m
80 km
502 m
treesshrubsgrasslandcroplandartificial surfaces
April weather nearby: Tinde 30 km · Kahama 38 km · Nzega 45 km · Shinyanga 60 km · Old Shinyanga 65 km · Mhango 69 km · Songwa 78 km · Mwadui 84 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 1%

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 Isaka (-3.9°, 32.9333°, elevation 1,201 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).