Osu weather in March

In March, Osu sees average daytime highs of 29°C and overnight lows near 26°C, with 24 mm of rain across 6.6 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 31% of the time in March, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Osu's 6th-clearest and 1st-windiest month. For the whole year in context, see Osu's year-round climate.

Daytime high
29°
1st warmest
Overnight low
26°
12th coldest
Rainfall
24 mm
6.6 wet days
Daylight
12 hours
6:12 AM – 6:09 PM
Cloud cover
58%
6th clearest
Wind
17 km/h
1st windiest
Solar energy
5.94 kWh/m²
Travel score
5.8
out of 10

Osu is suburb of Accra.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical March day in Osu reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, March runs on par with February and on par with April.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How March really feels in Osu

Once humidity and wind are folded in, March averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Osu weather by month

How March compares with the rest of the year at a glance. March is the 1st-warmest and 9th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35644
45644
55644
65644
75644
85545
95446
105347
115248
125149
135050
144951
154852
164753
174753
184753
194654
204654
214654
224654
234654
244654
254654
264654
274654
284753
294753
304852
314852

Chance of precipitation in March

Any precipitation

Osu gets around 24 mm of rain over 6.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
219
320
420
521
621
722
822
922
1023
1123
1223
1323
1424
1524
1624
1724
1823
1923
2022
2122
2222
2322
2422
2522
2622
2722
2823
2923
3024
3124

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the miserable band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1694
2694
3694
4694
5793
6694
7694
8694
9694
10694
11694
12694
13595
14595
15595
16595
17595
18595
19595
20496
21496
22496
23496
24496
25496
26496
27496
28496
29496
30496
31496

Wind in March

Winds average 17 km/h in March, the windiest month of the year.

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

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 54 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over March. Sunrise moves from 6:17 AM to 6:05 AM, and sunset from 6:11 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:176:11
211.96:176:11
311.96:176:10
411.96:166:10
511.96:166:10
611.96:166:10
711.96:156:10
811.96:156:10
911.96:156:10
1011.96:146:10
1111.96:146:10
1211.96:136:10
1311.96:136:10
1412.06:126:10
1512.06:126:09
1612.06:126:09
1712.06:116:09
1812.06:116:09
1912.06:106:09
2012.06:106:09
2112.06:096:09
2212.06:096:08
2312.06:086:08
2412.06:086:08
2512.06:076:08
2612.06:076:08
2712.06:066:08
2812.06:066:07
2912.06:056:07
3012.06:056:07
3112.06:056:07

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.94 kWh/m² — the sunniest month for solar.

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 — March's 5.94 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in March

Hazard calendar for Osu

In seasonPeak

In March, Osu sits inside its dust season. The full year is below, with each hazard's peak months called out.

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 March a good time to visit Osu?

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

5.8
Sightseeing
8th-best month of the year
7.5
Beach & pool
4th-best month of the year

March 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 March

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

In March, Osu sees daytime highs around 29°C and nights near 26°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Osu in March

The nearest coast averages about 28°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 13 (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 March

GoodModeratePoorUnhealthyVery unhealthy

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