Zanzibar weather in June

In June, Zanzibar sees average daytime highs of 28°C and overnight lows near 24°C, with 35 mm of rain across 9.6 wet days and about 11.6 hours of daylight. It is the 10th-warmest and 9th-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 44% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of June to 11 h 36 min by month's end. Set against the rest of the year, June is Zanzibar's 5th-clearest and 3rd-windiest month. For the whole year in context, see Zanzibar's year-round climate.

Daytime high
28°
10th warmest
Overnight low
24°
4th coldest
Rainfall
35 mm
9.6 wet days
Daylight
11 h 36 min
6:34 AM – 6:13 PM
Cloud cover
49%
5th clearest
Wind
16 km/h
3rd windiest
Solar energy
4.65 kWh/m²
Travel score
6.6
out of 10

Zanzibar is city in Tanzania.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

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

A typical June day in Zanzibar reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, June runs on par with May and on par with July.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242724
252723
262723
272723
282723
292723
302723

How June really feels in Zanzibar

Once humidity and wind are folded in, June 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

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

Zanzibar weather by month

How June compares with the rest of the year at a glance. June is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 27°449.712.35.2
Feb30° / 27°367.712.25.1
Mar30° / 26°12221123.8
Apr29° / 25°20025.511.93.5
May28° / 25°14618.911.75.0
Jun28° / 24°359.611.66.6
Jul27° / 23°226.411.77.1
Aug27° / 23°216.211.87.2
Sep28° / 23°195.4127.1
Oct29° / 24°529.812.15.9
Nov29° / 25°841812.34.5
Dec30° / 26°9320.312.44.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 26% of June, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27228
37327
47327
57327
67228
77228
87228
97030
107030
117030
127030
136931
146931
156832
166832
176832
186733
196832
206832
216832
226931
236931
247030
257030
266931
276931
287030
297030
307129

Chance of precipitation in June

Any precipitation

Zanzibar gets around 35 mm of rain over 9.6 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
240
338
436
534
633
731
830
929
1029
1128
1228
1329
1429
1530
1630
1731
1832
1933
2033
2134
2234
2334
2434
2534
2633
2732
2831
2930
3029

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1012871
2014851
3116821
4118801
5120790
6122770
7124750
8125740
9127720
10128710
11130690
12131680
13132670
14132670
15133660
16133660
17134650
18134650
19134650
20134650
21135640
22135640
23136630
24138610
25139600
26141580
27243550
28245530
29247510
30249490

Wind in June

Winds average 16 km/h in June.

Across June, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 42 min at the start of June to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over June. Sunrise moves from 6:31 AM to 6:37 AM, and sunset from 6:11 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:316:11
211.76:316:11
311.76:316:11
411.76:316:11
511.76:326:11
611.76:326:11
711.76:326:11
811.76:326:12
911.76:326:12
1011.76:336:12
1111.66:336:12
1211.66:336:12
1311.66:336:12
1411.66:346:12
1511.66:346:13
1611.66:346:13
1711.66:346:13
1811.66:356:13
1911.66:356:13
2011.66:356:14
2111.66:356:14
2211.66:356:14
2311.66:366:14
2411.66:366:14
2511.66:366:15
2611.66:366:15
2711.66:366:15
2811.66:376:15
2911.66:376:15
3011.66:376:16

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.3 kWh/m² in February across the year — June's 4.65 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in June

Hazard calendar for Zanzibar

In seasonPeak

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

Zanzibar sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Zanzibar's rainy season runs March–May, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Zanzibar?

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

6.6
Sightseeing
4th-best month of the year
6.9
Beach & pool
7th-best month of the year

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

What to pack for Zanzibar in June

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

In June, Zanzibar sees daytime highs around 28°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Zanzibar in June

The nearest coast averages about 27°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec29Tropical

UV index in Zanzibar in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zanzibar peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 highExtremeMar 16UV 15Jun 17UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May10Extreme
Jun9Very high
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Zanzibar in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Zanzibar is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJan 2018 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec13Moderate
Location & terrain

Where is Zanzibar?

Zanzibar sits at 6.2°S, 39.2°E, 14 m above sea level, in Tanzania. The nearest listed city is Bagamoyo, 45 km away.

MagomeniDar es SalaamKibaha

Topography around Zanzibar

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

Within 3 km, the terrain around Zanzibar has only modest variations in elevation — a maximum elevation change of 46 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, significant variations in elevation — a maximum elevation change of 347 m.

The land around Zanzibar is covered by water (53%) and artificial surfaces (35%) within 3 km, water (58%) and trees (27%) within 16 km, and water (61%) within 80 km.

3 km
46 m
16 km
124 m
80 km
347 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
June weather nearby: Bagamoyo 45 km · Sokoni 49 km · Nungwi 50 km · Mapinga 51 km · Mvomero 59 km · Magomeni 71 km · Dar es Salaam 74 km · Kibaha 74 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 Zanzibar (-6.1639°, 39.1979°, elevation 14 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).