Sunyani weather in June

In June, Sunyani sees average daytime highs of 30°C and overnight lows near 23°C, with 102 mm of rain across 19.2 wet days and about 12.4 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of June to 12 h 24 min by month's end. Set against the rest of the year, June is Sunyani's 9th-clearest and 5th-windiest month. For the whole year in context, see Sunyani's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
8th coldest
Rainfall
102 mm
19.2 wet days
Daylight
12 h 24 min
5:57 AM – 6:22 PM
Cloud cover
78%
9th clearest
Wind
8 km/h
5th windiest
Solar energy
4.3 kWh/m²
Travel score
3.7
out of 10

Sunyani is Capital of Bono Region in Ghana.

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 30°C through the month.

A typical June day in Sunyani reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, June runs about 2°C cooler than May and about 1°C warmer than July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
252923
262923
272923
282923
292923
302923

How June really feels in Sunyani

Once humidity and wind are folded in, June averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sunyani weather by month

How June compares with the rest of the year at a glance. June is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°15311.64.0
Feb35° / 24°35611.82.9
Mar34° / 24°8614.7122.6
Apr33° / 24°10016.512.22.8
May32° / 24°9818.312.33.2
Jun30° / 23°10219.212.43.7
Jul29° / 22°8316.412.44.5
Aug28° / 22°911712.24.5
Sep29° / 23°13222123.7
Oct30° / 22°11621.211.83.6
Nov31° / 22°5710.911.74.3
Dec32° / 22°183.411.64.8

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 13% of June, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61684
71783
81783
91684
101684
111684
121684
131684
141684
151684
161684
171684
181684
191684
201684
211684
221684
231684
241684
251684
261585
271585
281585
291585
301585

Chance of precipitation in June

Any precipitation

Sunyani gets around 102 mm of rain over 19.2 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 64% and peaks near 64% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
163
263
364
464
564
664
764
864
964
1064
1164
1264
1364
1464
1563
1663
1763
1863
1963
2063
2163
2264
2364
2464
2564
2664
2764
2864
2964
3064

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
11972
21972
31972
41981
51981
61981
71981
81981
91981
101981
111981
121981
131981
141981
151981
161981
172971
182971
192971
203970
213970
224960
234960
245950
256940
267930
278920
289910
2910900
3011890

Wind in June

Winds average 8 km/h in June.

Across June, daily wind ranges from about 8 km/h on the calmest days to 9 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
138calm
148calm
158calm
168calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 24 min at the start of June to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over June. Sunrise moves from 5:55 AM to 6:00 AM, and sunset from 6:19 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:556:19
212.45:556:19
312.45:556:19
412.45:556:19
512.45:556:20
612.45:556:20
712.45:556:20
812.45:566:20
912.45:566:21
1012.45:566:21
1112.45:566:21
1212.45:566:21
1312.45:566:22
1412.45:566:22
1512.45:576:22
1612.45:576:22
1712.45:576:22
1812.45:576:23
1912.45:576:23
2012.45:586:23
2112.45:586:23
2212.45:586:24
2312.45:586:24
2412.45:586:24
2512.45:596:24
2612.45:596:24
2712.45:596:25
2812.45:596:25
2912.46:006:25
3012.46:006:25

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.3 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 5.63 kWh/m² in February across the year — June's 4.3 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
Planning a trip in June

Hazard calendar for Sunyani

In seasonPeak

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

Sunyani sees seasonal dust haze (January–April), heaviest in February.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Sunyani?

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

3.7
Sightseeing
6th-best month of the year
5.1
Beach & pool
8th-best month of the year

June is a weaker month for outdoor sightseeing in Sunyani.

What to pack for Sunyani in June

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

In June, Sunyani sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 19 days see rain.

light clothesrain gear

UV index in Sunyani in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sunyani peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 13UV 13Jan 10UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Sunyani 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 Sunyani is worst in February — around 103 µg/m³ PM2.5 (unhealthy), about 6.0× the cleanest month (August, 17 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateUnhealthyFeb 9101 µg/m³Aug 1617 µg/m³
PM2.5 (µg/m³)Level
Jan97Unhealthy
Feb103Unhealthy
Mar45Poor
Apr39Poor
May23Moderate
Jun19Moderate
Jul18Moderate
Aug17Moderate
Sep18Moderate
Oct25Moderate
Nov34Moderate
Dec82Unhealthy
Location & terrain

Where is Sunyani?

Sunyani sits at 7.3°N, 2.3°W, 298 m above sea level, in Ghana. The nearest listed city is Nsoatre, 17 km away.

TepaBechemWankyiTechiman

Topography around Sunyani

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

Within 3 km, the terrain around Sunyani has only modest variations in elevation — a maximum elevation change of 93 m around an average of 294 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, large variations in elevation — a maximum elevation change of 738 m.

The land around Sunyani is covered by artificial surfaces (65%) within 3 km, trees (49%) and grassland (30%) within 16 km, and trees (71%) within 80 km.

3 km
93 m
16 km
221 m
80 km
738 m
treesshrubsgrasslandartificial surfaces
June weather nearby: Nsoatre 17 km · Atronie 22 km · Berekum 31 km · Duayaw-Nkwanta 31 km · Tepa 41 km · Bechem 43 km · Wankyi 51 km · Techiman 51 km

Ghana travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$3,257
2025
Happiness
4.6 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
1.8
per 100k, 2022
Road deaths
25.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 540
Religion
Christian 71%Muslim 20%other 5%traditionalist 3%

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 Sunyani (7.3399°, -2.3268°, elevation 298 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).