Winneba weather in May

In May, Winneba sees average daytime highs of 28°C and overnight lows near 26°C, with 152 mm of rain across 23.9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 2nd-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 20% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Winneba's 11th-clearest and 10th-windiest month. For the whole year in context, see Winneba's year-round climate.

Daytime high
28°
4th warmest
Overnight low
26°
8th coldest
Rainfall
152 mm
23.9 wet days
Daylight
12 h 12 min
5:51 AM – 6:06 PM
Cloud cover
70%
11th clearest
Wind
15 km/h
10th windiest
Solar energy
5.36 kWh/m²
Travel score
4.3
out of 10

Winneba is town in Central Region, Ghana.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in Winneba reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252726
262726
272726
282726
292726
302726
312726

How May really feels in Winneba

Once humidity and wind are folded in, May averages 17 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
17
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Winneba weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°154.511.77.5
Feb28° / 26°185.411.87.1
Mar28° / 27°318.9126.0
Apr28° / 27°591412.15.3
May28° / 26°15223.912.24.3
Jun26° / 25°20322.412.34.6
Jul25° / 24°7110.612.36.6
Aug24° / 23°224.912.27.6
Sep25° / 24°378.8127.0
Oct26° / 25°641511.96.1
Nov28° / 26°4914.311.86.0
Dec28° / 26°268.611.77.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
73961
84060
93961
103961
113961
123862
133763
143763
153664
163664
173565
183466
193367
203268
213070
222971
232971
242872
252872
262674
272575
282575
292575
302476
312476

Chance of precipitation in May

Any precipitation

Winneba gets around 152 mm of rain over 23.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
162
264
365
466
568
669
770
871
973
1073
1174
1275
1376
1477
1577
1678
1779
1879
1980
2080
2181
2281
2381
2482
2582
2682
2782
2883
2983
3083
3183

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1892
2991
31090
41189
51288
61486
71585
81783
91981
102179
112278
122476
132674
142872
153070
163268
173466
183763
193961
204258
214555
224753
235050
245347
255644
265941
276238
286535
296832
307129
317426

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

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

Days grow by about 6 minutes over May. Sunrise moves from 5:54 AM to 5:51 AM, and sunset from 6:05 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:546:05
212.25:546:05
312.25:546:05
412.25:536:05
512.25:536:05
612.25:536:05
712.25:536:05
812.25:536:05
912.25:526:05
1012.25:526:05
1112.25:526:06
1212.25:526:06
1312.25:526:06
1412.25:526:06
1512.25:526:06
1612.25:516:06
1712.25:516:06
1812.25:516:06
1912.35:516:06
2012.35:516:07
2112.35:516:07
2212.35:516:07
2312.35:516:07
2412.35:516:07
2512.35:516:07
2612.35:516:07
2712.35:516:08
2812.35:516:08
2912.35:516:08
3012.35:516:08
3112.35:516:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.36 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.12 kWh/m² in March across the year — May's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Winneba

In seasonPeak

In May, Winneba sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Winneba's monsoon runs May–June, when most of the year's rain falls.

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

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

Is May a good time to visit Winneba?

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

4.3
Sightseeing
12th-best month of the year
4.7
Beach & pool
11th-best month of the year

May is a reasonable time to visit Winneba for sightseeing.

What to pack for Winneba in May

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

In May, Winneba sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Winneba in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 28°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
May28Tropical
Jun27Warm
Jul24Warm
Aug23Refreshing
Sep24Warm
Oct27Warm
Nov28Tropical
Dec28Warm

UV index in Winneba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Winneba peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 22UV 13Dec 17UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Winneba in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Winneba is worst in January — around 67 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (October, 12 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorJan 1865 µg/m³Oct 1012 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb54Poor
Mar30Moderate
Apr28Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Moderate
Oct12Good
Nov17Moderate
Dec49Poor
Location & terrain

Where is Winneba?

Winneba sits at 5.4°N, 0.6°W, 25 m above sea level, in Ghana. The nearest listed city is Apam, 15 km away.

GbaweMankesim

Topography around Winneba

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

Within 3 km, the terrain around Winneba has only modest variations in elevation — a maximum elevation change of 66 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, large variations in elevation — a maximum elevation change of 765 m.

The land around Winneba is covered by grassland (32%), water (27%) and artificial surfaces (26%) within 3 km, water (45%) and grassland (33%) within 16 km, and trees (49%) and water (35%) within 80 km.

3 km
66 m
16 km
270 m
80 km
765 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Apam 15 km · Swedru 22 km · Buduburam 25 km · Kasoa 31 km · Amanfrom 32 km · Mandela 39 km · Gbawe 43 km · Mankesim 44 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 Winneba (5.3511°, -0.6231°, elevation 25 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).