Arusha weather in April

In April, Arusha sees average daytime highs of 24°C and overnight lows near 16°C, with 145 mm of rain across 21.7 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 5% 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 Arusha's 12th-clearest and 7th-windiest month. For the whole year in context, see Arusha's year-round climate.

Daytime high
24°
7th warmest
Overnight low
16°
12th coldest
Rainfall
145 mm
21.7 wet days
Daylight
11 h 54 min
6:36 AM – 6:31 PM
Cloud cover
73%
12th clearest
Wind
6 km/h
7th windiest
Solar energy
4.96 kWh/m²
Travel score
4.9
out of 10

Arusha is city in Arusha Region, Tanzania.

Density
388/km²
people per km²
Founded
1948

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical April day in Arusha reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222316
232316
242316
252316
262315
272315
282315
292315
302315

Arusha weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 15°8210.612.26.6
Feb27° / 15°738.912.16.5
Mar26° / 16°14316.7125.6
Apr24° / 16°14521.711.94.9
May22° / 14°5011.911.86.2
Jun21° / 12°72.311.87.3
Jul21° / 11°41.111.87.5
Aug22° / 11°41.111.97.8
Sep24° / 12°41.1128.3
Oct25° / 14°307.312.17.2
Nov25° / 15°10317.712.25.6
Dec25° / 15°10816.712.25.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of April, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23268
33169
43169
53070
63070
73070
82971
92971
102971
112971
122971
132971
143070
153070
163070
173070
183070
192971
202971
212971
222872
232872
242773
252773
262674
272674
282674
292674
302575

Chance of precipitation in April

Any precipitation

Arusha gets around 145 mm of rain over 21.7 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 71% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
174
275
376
476
577
677
777
877
977
1077
1177
1276
1375
1475
1574
1673
1772
1871
1970
2069
2168
2267
2367
2466
2565
2665
2764
2863
2961
3060

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
133265
233166
333067
423068
522969
622969
722969
813069
913069
1013069
1113168
1213267
1313366
1403466
1503565
1603763
1703862
1803961
1904159
2004258
2104357
2204456
2304555
2404753
2504852
2604951
2705149
2815148
2915346
3015445

Wind in April

Winds average 6 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 7 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
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:39 AM to 6:34 AM, and sunset from 6:37 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:396:37
212.06:396:37
312.06:386:36
412.06:386:36
512.06:386:35
612.06:386:35
712.06:376:35
812.06:376:34
911.96:376:34
1011.96:376:33
1111.96:376:33
1211.96:366:33
1311.96:366:32
1411.96:366:32
1511.96:366:32
1611.96:366:31
1711.96:366:31
1811.96:356:31
1911.96:356:30
2011.96:356:30
2111.96:356:30
2211.96:356:29
2311.96:356:29
2411.96:356:29
2511.96:346:28
2611.96:346:28
2711.96:346:28
2811.96:346:28
2911.96:346:27
3011.96:346:27

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.96 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.33 kWh/m² in February across the year — April's 4.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in April

Hazard calendar for Arusha

In seasonPeak

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

Arusha'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 Arusha?

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

4.9
Sightseeing
12th-best month of the year
4.1
Beach & pool
12th-best month of the year

April is a reasonable time to visit Arusha for sightseeing.

What to pack for Arusha in April

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

In April, Arusha sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

UV index in Arusha 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 Arusha peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 16Jun 19UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec13Extreme

Air quality in Arusha 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 Arusha is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 2316 µg/m³Nov 1210 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar13Moderate
Apr12Moderate
May13Moderate
Jun16Moderate
Jul16Moderate
Aug13Moderate
Sep12Good
Oct11Good
Nov10Good
Dec13Moderate
Location & terrain

Where is Arusha?

Arusha sits at 3.4°S, 36.7°E, 1,415 m above sea level, in Tanzania. The nearest listed city is Usa River, 19 km away.

MoshiMto wa Mbu

Topography around Arusha

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

Within 3 km, the terrain around Arusha has only modest variations in elevation — a maximum elevation change of 236 m around an average of 1,419 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,490 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,854 m.

The land around Arusha is covered by artificial surfaces (57%) and trees (36%) within 3 km, trees (30%), cropland (25%) and grassland (23%) within 16 km, and grassland (41%) and shrubs (32%) within 80 km.

3 km
236 m
16 km
3,490 m
80 km
4,854 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Usa River 19 km · Kingori 35 km · Mbuguni 37 km · Merelani 39 km · Boma la Ngombe 52 km · Makuyuni 68 km · Moshi 72 km · Mto wa Mbu 93 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 Arusha (-3.3667°, 36.6833°, elevation 1,415 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).