Osu weather in October

In October, Osu sees average daytime highs of 27°C and overnight lows near 25°C, with 52 mm of rain across 12.3 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 11 h 48 min by month's end. Set against the rest of the year, October is Osu's 5th-clearest and 8th-windiest month. For the whole year in context, see Osu's year-round climate.

Daytime high
27°
8th warmest
Overnight low
25°
4th coldest
Rainfall
52 mm
12.3 wet days
Daylight
11 h 54 min
5:50 AM – 5:42 PM
Cloud cover
52%
5th clearest
Wind
14 km/h
8th windiest
Solar energy
5.38 kWh/m²
Travel score
6.3
out of 10

Osu is suburb of Accra.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical October day in Osu reaches about 27°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, October runs about 1°C warmer than September and about 1°C cooler than November.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52724
62724
72724
82724
92724
102725
112725
122725
132725
142725
152725
162725
172725
182725
192725
202725
212725
222725
232725
242725
252725
262725
272825
282825
292825
302825
312825

How October really feels in Osu

Once humidity and wind are folded in, October 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

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

Osu weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°113.411.77.0
Feb29° / 26°133.911.86.5
Mar29° / 26°246.6125.8
Apr29° / 26°4510.712.15.3
May28° / 26°11920.412.24.5
Jun27° / 25°17420.612.34.8
Jul25° / 24°6310.412.36.5
Aug25° / 23°276.312.27.2
Sep26° / 24°398.7126.8
Oct27° / 25°5212.311.96.3
Nov28° / 26°4113.111.75.7
Dec29° / 26°226.911.76.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 23% of October, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25743
35743
45842
55842
65842
75842
85842
95941
105941
115941
125941
135941
145941
156040
166040
176139
186139
196238
206238
216238
226238
236238
246238
256238
266337
276436
286436
296535
306634
316733

Chance of precipitation in October

Any precipitation

Osu gets around 52 mm of rain over 12.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
132
233
333
434
534
634
735
835
935
1036
1136
1237
1337
1438
1538
1638
1739
1839
1940
2041
2141
2242
2343
2444
2544
2645
2745
2846
2946
3046
3146

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7991
8982
9982
10982
11973
12973
13964
14964
15955
16955
17946
18937
19928
20919
219010
228911
238812
248713
258614
268515
278416
288317
298218
308119
318020

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over October. Sunrise moves from 5:51 AM to 5:50 AM, and sunset from 5:48 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:515:48
211.95:515:48
311.95:515:47
411.95:515:47
511.95:515:46
611.95:505:46
711.95:505:46
811.95:505:45
911.95:505:45
1011.95:505:44
1111.95:505:44
1211.95:505:43
1311.95:505:43
1411.95:505:43
1511.95:505:42
1611.95:505:42
1711.95:495:42
1811.95:495:41
1911.95:495:41
2011.95:495:41
2111.95:495:41
2211.85:495:40
2311.85:495:40
2411.85:505:40
2511.85:505:40
2611.85:505:39
2711.85:505:39
2811.85:505:39
2911.85:505:39
3011.85:505:39
3111.85:505:38

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.38 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 5.94 kWh/m² in March across the year — October's 5.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in October

Hazard calendar for Osu

In seasonPeak

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

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

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

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

Is October a good time to visit Osu?

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

6.3
Sightseeing
7th-best month of the year
6.4
Beach & pool
7th-best month of the year

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

What to pack for Osu in October

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

In October, Osu sees daytime highs around 27°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Osu in October

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

The sea at the nearest coast (about 21 km away) is warmest in May at about 29°C and coldest in August near 23°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May29Tropical
Jun27Warm
Jul24Warm
Aug23Refreshing
Sep25Warm
Oct27Warm
Nov28Tropical
Dec28Tropical

UV index in Osu in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Osu peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 10UV 13Dec 17UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Osu in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Osu is worst in January — around 66 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (October, 9 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateGoodModeratePoorJan 1764 µg/m³Oct 109 µg/m³
PM2.5 (µg/m³)Level
Jan66Unhealthy
Feb52Poor
Mar26Moderate
Apr23Moderate
May13Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep9Good
Oct9Good
Nov15Moderate
Dec48Poor
Location & terrain

Where is Osu?

Osu sits at 5.6°N, 0.2°W, 32 m above sea level, in Ghana. The nearest listed city is Accra, 1.0 km away.

Topography around Osu

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

Within 3 km, the terrain around Osu has only modest variations in elevation — a maximum elevation change of 59 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, large variations in elevation — a maximum elevation change of 777 m.

The land around Osu is covered by artificial surfaces (68%) and water (27%) within 3 km, water (47%) and artificial surfaces (45%) within 16 km, and trees (36%) and water (35%) within 80 km.

3 km
59 m
16 km
191 m
80 km
777 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
October weather nearby: Accra 1.0 km · Teshi Old Town 9.0 km · Awoshi 11 km · New Achimota 11 km · Dome 12 km · Medina Estates 12 km · Nungua 13 km · Taifa 13 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 Osu (5.5573°, -0.1864°, elevation 32 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. 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).