Foso weather in May

In May, Foso sees average daytime highs of 31°C and overnight lows near 23°C, with 208 mm of rain across 27.2 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 3% of the time in May, and the air most often feels oppressive.

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 Foso's 9th-clearest and 8th-windiest month. For the whole year in context, see Foso's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
9th coldest
Rainfall
208 mm
27.2 wet days
Daylight
12 h 18 min
5:54 AM – 6:09 PM
Cloud cover
81%
9th clearest
Wind
6 km/h
8th windiest
Solar energy
4.67 kWh/m²
Travel score
2.7
out of 10

Foso is town and Municipal Capital 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 31°C through the month.

A typical May day in Foso reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How May really feels in Foso

Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Foso weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°379.311.74.2
Feb33° / 24°6012.611.83.2
Mar33° / 24°12021.3122.7
Apr32° / 24°14122.812.12.7
May31° / 23°20827.212.32.7
Jun29° / 23°22527.112.33.1
Jul28° / 22°14823.912.33.9
Aug28° / 22°10621.912.24.1
Sep29° / 23°16726.2123.2
Oct30° / 23°19227.711.92.9
Nov31° / 23°10720.411.73.4
Dec31° / 23°4510.911.74.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32080
42080
52080
62179
72080
82080
92080
102080
111981
121981
131981
141981
151882
161783
171684
181684
191585
201585
211387
221387
231288
241288
251090
261090
27991
28991
29991
30991
31991

Chance of precipitation in May

Any precipitation

Foso gets around 208 mm of rain over 27.2 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 88% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
184
285
385
486
586
687
787
887
987
1088
1188
1288
1388
1488
1588
1688
1788
1888
1988
2088
2188
2288
2389
2489
2589
2690
2790
2891
2991
3091
3192

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15149
25149
35149
45149
55248
65248
75248
85248
95347
105347
115347
125446
135545
145545
155644
165743
175842
185941
196139
206238
216337
226436
236535
246733
256832
267030
277129
287327
297426
307624
317723

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:56 AM to 5:53 AM, and sunset from 6:08 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:566:08
212.25:566:08
312.25:566:08
412.25:566:08
512.25:556:08
612.25:556:08
712.25:556:08
812.25:556:08
912.25:556:09
1012.25:546:09
1112.25:546:09
1212.25:546:09
1312.25:546:09
1412.35:546:09
1512.35:546:09
1612.35:546:09
1712.35:546:09
1812.35:536:09
1912.35:536:10
2012.35:536:10
2112.35:536:10
2212.35:536:10
2312.35:536:10
2412.35:536:10
2512.35:536:10
2612.35:536:11
2712.35:536:11
2812.35:536:11
2912.35:536:11
3012.35:536:11
3112.35:536:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.67 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.24 kWh/m² in March across the year — May's 4.67 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Foso

In seasonPeak

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

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

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

Is May a good time to visit Foso?

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

2.7
Sightseeing
10th-best month of the year
3.9
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Foso.

What to pack for Foso in May

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

In May, Foso sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Foso 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 at the nearest coast (about 65 km away) 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
Oct26Warm
Nov28Tropical
Dec28Warm

UV index in Foso in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Foso peaks around March 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 23UV 13Dec 17UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Foso 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 Foso is worst in January — around 79 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (August, 18 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateUnhealthyJan 1878 µg/m³Aug 2318 µg/m³
PM2.5 (µg/m³)Level
Jan79Unhealthy
Feb72Unhealthy
Mar42Poor
Apr39Poor
May24Moderate
Jun22Moderate
Jul20Moderate
Aug18Moderate
Sep18Moderate
Oct24Moderate
Nov34Moderate
Dec67Unhealthy
Location & terrain

Where is Foso?

Foso sits at 5.7°N, 1.3°W, 148 m above sea level, in Ghana. The nearest listed city is Twifu Praso, 31 km away.

Assin FosoAkim OdaMankesimSaltpondDunkwaAkwatiaKade

Topography around Foso

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

Within 3 km, the terrain around Foso has only modest variations in elevation — a maximum elevation change of 92 m around an average of 158 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 224 m; within 80 km, large variations in elevation — a maximum elevation change of 772 m.

The land around Foso is covered by trees (69%) and artificial surfaces (25%) within 3 km, trees (94%) within 16 km, and trees (89%) within 80 km.

3 km
92 m
16 km
224 m
80 km
772 m
treesshrubsgrasslandartificial surfaceswater
May weather nearby: Twifu Praso 31 km · Assin Foso 40 km · Akim Oda 42 km · Mankesim 56 km · Saltpond 60 km · Dunkwa 61 km · Akwatia 65 km · Kade 66 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 Foso (5.7012°, -1.2866°, elevation 148 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).