Sunyani weather in August

In August, Sunyani sees average daytime highs of 28°C and overnight lows near 22°C, with 91 mm of rain across 17 wet days and about 12.2 hours of daylight. It is the 12th-warmest and 6th-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 0% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Sunyani's 12th-clearest and 1st-windiest month. For the whole year in context, see Sunyani's year-round climate.

Daytime high: 28°; 12th warmest
Overnight low: 22°; 3rd coldest
Rainfall: 91 mm; 17 wet days
Daylight: 12 h 12 min; 6:06 AM – 6:21 PM
Cloud cover: 86%; 12th clearest
Wind: 9 km/h; 1st windiest
Solar energy: 3.74 kWh/m²
Travel score: 4.5; out of 10

Sunyani is Capital of Bono Region in Ghana.

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

← July Sunyani year-round climate September →Best places to visit in August

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Sunyani reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	29	29	29	29	29	29	29
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

How August really feels in Sunyani

Once humidity and wind are folded in, August 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Sunyani weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 22°	15	3	11.6	4.0
Feb	35° / 24°	35	6	11.8	2.9
Mar	34° / 24°	86	14.7	12	2.6
Apr	33° / 24°	100	16.5	12.2	2.8
May	32° / 24°	98	18.3	12.3	3.2
Jun	30° / 23°	102	19.2	12.4	3.7
Jul	29° / 22°	83	16.4	12.4	4.5
Aug	28° / 22°	91	17	12.2	4.5
Sep	29° / 23°	132	22	12	3.7
Oct	30° / 22°	116	21.2	11.8	3.6
Nov	31° / 22°	57	10.9	11.7	4.3
Dec	32° / 22°	18	3.4	11.6	4.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 94%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	4	5	5	5	5	5	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	6	7	7	7	8	8
Cloudier (%)	96	95	95	95	95	95	94	94	94	94	95	95	95	95	95	95	95	95	95	95	95	95	94	94	94	94	93	93	93	92	92

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	5	95
5	5	95
6	5	95
7	6	94
8	6	94
9	6	94
10	6	94
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	5	95
23	6	94
24	6	94
25	6	94
26	6	94
27	7	93
28	7	93
29	7	93
30	8	92
31	8	92

Chance of precipitation in August

Any precipitation

Sunyani gets around 91 mm of rain over 17 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 55% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	46	46	46	47	47	48	48	49	50	50	51	52	53	54	54	55	56	57	58	58	59	60	60	61	62	63	64	64	65	66	67

	Rain chance (%)
1	46
2	46
3	46
4	47
5	47
6	48
7	48
8	49
9	50
10	50
11	51
12	52
13	53
14	54
15	54
16	55
17	56
18	57
19	58
20	58
21	59
22	60
23	60
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	67

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	44	44	45	45	45	45	45	45	45	45	44	44	43	41	40	38	36	35	33	31	29	27	25	23	21	19	18	17	15	15	14
Oppressive (%)	56	56	55	55	55	55	55	55	55	55	56	56	57	59	60	62	64	65	67	69	71	73	75	77	79	81	82	83	85	85	86

	Muggy (%)	Oppressive (%)
1	44	56
2	44	56
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	41	59
15	40	60
16	38	62
17	36	64
18	35	65
19	33	67
20	31	69
21	29	71
22	27	73
23	25	75
24	23	77
25	21	79
26	19	81
27	18	82
28	17	83
29	15	85
30	15	85
31	14	86

Wind in August

Winds average 9 km/h in August, the windiest month of the year.

Across August, 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	9	calm
26	9	calm
27	9	calm
28	9	calm
29	9	calm
30	8	calm
31	8	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 18 min at the start of August to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over August. Sunrise moves from 6:06 AM to 6:05 AM, and sunset from 6:25 PM to 6:14 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.1
Sunrise (AM)	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:06	6:05	6:05	6:05	6:05	6:05	6:05
Sunset (PM)	6:25	6:25	6:25	6:24	6:24	6:24	6:24	6:23	6:23	6:23	6:22	6:22	6:22	6:21	6:21	6:21	6:20	6:20	6:19	6:19	6:19	6:18	6:18	6:17	6:17	6:16	6:16	6:15	6:15	6:14	6:14

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.3	6:06	6:25
2	12.3	6:06	6:25
3	12.3	6:06	6:25
4	12.3	6:06	6:24
5	12.3	6:06	6:24
6	12.3	6:06	6:24
7	12.3	6:06	6:24
8	12.3	6:06	6:23
9	12.3	6:06	6:23
10	12.3	6:06	6:23
11	12.3	6:06	6:22
12	12.3	6:06	6:22
13	12.3	6:06	6:22
14	12.3	6:06	6:21
15	12.2	6:06	6:21
16	12.2	6:06	6:21
17	12.2	6:06	6:20
18	12.2	6:06	6:20
19	12.2	6:06	6:19
20	12.2	6:06	6:19
21	12.2	6:06	6:19
22	12.2	6:06	6:18
23	12.2	6:06	6:18
24	12.2	6:06	6:17
25	12.2	6:06	6:17
26	12.2	6:05	6:16
27	12.2	6:05	6:16
28	12.2	6:05	6:15
29	12.2	6:05	6:15
30	12.2	6:05	6:14
31	12.1	6:05	6:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.74 kWh/m² — the year's lowest.

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 — August's 3.74 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.7	Moderate
2	3.7	Moderate
3	3.7	Moderate
4	3.7	Moderate
5	3.7	Moderate
6	3.7	Moderate
7	3.7	Moderate
8	3.7	Moderate
9	3.7	Moderate
10	3.7	Moderate
11	3.7	Moderate
12	3.7	Moderate
13	3.7	Moderate
14	3.7	Moderate
15	3.7	Moderate
16	3.7	Moderate
17	3.7	Moderate
18	3.7	Moderate
19	3.7	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.8	Moderate
23	3.8	Moderate
24	3.8	Moderate
25	3.8	Moderate
26	3.8	Moderate
27	3.8	Moderate
28	3.9	Moderate
29	3.9	Moderate
30	3.9	Moderate
31	3.9	Moderate

Planning a trip in August

Hazard calendar for Sunyani

In seasonPeak

None of Sunyani's seasonal hazards are active in August. 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 August a good time to visit Sunyani?

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

4.5

Sightseeing

2nd-best month of the year

5.4

Beach & pool

6th-best month of the year

August is a reasonable time to visit Sunyani for sightseeing.

What to pack for Sunyani in August

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

In August, Sunyani sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 17 days see rain.

light clothesrain gear

UV index in Sunyani in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	9	12	12	13	11	11	10	12	13	12	10	9
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	12	Extreme
Mar	12	Extreme
Apr	13	Extreme
May	11	Extreme
Jun	11	Extreme
Jul	10	Extreme
Aug	12	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	10	Very high
Dec	9	Very high

Air quality in Sunyani in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	97	103	45	39	23	19	18	17	18	25	34	82
Level	Unhealthy	Unhealthy	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	97	Unhealthy
Feb	103	Unhealthy
Mar	45	Poor
Apr	39	Poor
May	23	Moderate
Jun	19	Moderate
Jul	18	Moderate
Aug	17	Moderate
Sep	18	Moderate
Oct	25	Moderate
Nov	34	Moderate
Dec	82	Unhealthy

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.

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

artificial surfaces 65%

16 km

221 m

trees 49%

80 km

738 m

trees 71%

treesshrubsgrasslandartificial surfaces

← July Sunyani year-round climate September →Best places to visit in August

August 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

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).

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	5	95
5	5	95
6	5	95
7	6	94
8	6	94
9	6	94
10	6	94
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	5	95
23	6	94
24	6	94
25	6	94
26	6	94
27	7	93
28	7	93
29	7	93
30	8	92
31	8	92

	Rain chance (%)
1	46
2	46
3	46
4	47
5	47
6	48
7	48
8	49
9	50
10	50
11	51
12	52
13	53
14	54
15	54
16	55
17	56
18	57
19	58
20	58
21	59
22	60
23	60
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	67

	Muggy (%)	Oppressive (%)
1	44	56
2	44	56
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	41	59
15	40	60
16	38	62
17	36	64
18	35	65
19	33	67
20	31	69
21	29	71
22	27	73
23	25	75
24	23	77
25	21	79
26	19	81
27	18	82
28	17	83
29	15	85
30	15	85
31	14	86

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	5	95
5	5	95
6	5	95
7	6	94
8	6	94
9	6	94
10	6	94
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	5	95
23	6	94
24	6	94
25	6	94
26	6	94
27	7	93
28	7	93
29	7	93
30	8	92
31	8	92

	Rain chance (%)
1	46
2	46
3	46
4	47
5	47
6	48
7	48
8	49
9	50
10	50
11	51
12	52
13	53
14	54
15	54
16	55
17	56
18	57
19	58
20	58
21	59
22	60
23	60
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	67

	Muggy (%)	Oppressive (%)
1	44	56
2	44	56
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	41	59
15	40	60
16	38	62
17	36	64
18	35	65
19	33	67
20	31	69
21	29	71
22	27	73
23	25	75
24	23	77
25	21	79
26	19	81
27	18	82
28	17	83
29	15	85
30	15	85
31	14	86

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	5	95
5	5	95
6	5	95
7	6	94
8	6	94
9	6	94
10	6	94
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	5	95
23	6	94
24	6	94
25	6	94
26	6	94
27	7	93
28	7	93
29	7	93
30	8	92
31	8	92

	Rain chance (%)
1	46
2	46
3	46
4	47
5	47
6	48
7	48
8	49
9	50
10	50
11	51
12	52
13	53
14	54
15	54
16	55
17	56
18	57
19	58
20	58
21	59
22	60
23	60
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	67

	Muggy (%)	Oppressive (%)
1	44	56
2	44	56
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	41	59
15	40	60
16	38	62
17	36	64
18	35	65
19	33	67
20	31	69
21	29	71
22	27	73
23	25	75
24	23	77
25	21	79
26	19	81
27	18	82
28	17	83
29	15	85
30	15	85
31	14	86