Koforidua weather in May

In May, Koforidua sees average daytime highs of 31°C and overnight lows near 23°C, with 167 mm of rain across 25.5 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 30°C by the end. The sky is clear or mostly clear about 6% 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 Koforidua's 8th-clearest and 8th-windiest month. For the whole year in context, see Koforidua's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
9th coldest
Rainfall
167 mm
25.5 wet days
Daylight
12 h 18 min
5:49 AM – 6:06 PM
Cloud cover
79%
8th clearest
Wind
7 km/h
8th windiest
Solar energy
4.95 kWh/m²
Travel score
2.9
out of 10

Koforidua is capital city of Eastern Region.

Founded
1875

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 30°C by the end.

A typical May day in Koforidua reaches about 31°C in the afternoon and slips back to 23°C overnight — a 7°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163123
173123
183123
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How May really feels in Koforidua

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.

Koforidua weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°408.211.74.3
Feb33° / 24°591211.83.4
Mar32° / 24°10319.3123.0
Apr32° / 24°11521.112.13.0
May31° / 23°16725.512.32.9
Jun29° / 23°19325.712.33.4
Jul28° / 22°1322212.34.3
Aug28° / 22°10320.812.24.5
Sep29° / 22°16825.9123.4
Oct30° / 23°15325.311.93.3
Nov31° / 23°8118.611.73.7
Dec31° / 23°4210.311.74.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62476
72377
82377
92377
102278
112278
122278
132278
142179
152179
162179
172080
182080
191882
201882
211882
221684
231684
241585
251486
261387
271387
281288
291189
301189
311090

Chance of precipitation in May

Any precipitation

Koforidua gets around 167 mm of rain over 25.5 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 82% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
176
277
377
478
578
679
779
880
980
1080
1181
1281
1381
1481
1581
1681
1782
1882
1982
2082
2183
2283
2384
2484
2585
2686
2786
2887
2987
3088
3188

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17426
27426
37525
47525
57624
67624
77723
87723
97822
107822
117822
127822
137921
147921
157921
167921
177921
188020
198020
208020
218119
228119
238218
248317
258317
268416
278515
288614
298713
308812
318911

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:52 AM to 5:49 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)
112.25:526:05
212.25:526:05
312.25:516:05
412.25:516:05
512.25:516:05
612.25:516:05
712.25:506:05
812.25:506:05
912.25:506:05
1012.35:506:05
1112.35:506:05
1212.35:506:05
1312.35:496:05
1412.35:496:05
1512.35:496:05
1612.35:496:06
1712.35:496:06
1812.35:496:06
1912.35:496:06
2012.35:496:06
2112.35:496:06
2212.35:496:06
2312.35:496:07
2412.35:496:07
2512.35:496:07
2612.35:496:07
2712.35:496:07
2812.35:496:08
2912.35:496:08
3012.35:496:08
3112.35:496:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.95 kWh/m².

For context, solar energy here swings from a low near 3.99 kWh/m² to a high of 5.61 kWh/m² in March across the year — May's 4.95 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.4Bright
314.4Bright
Planning a trip in May

Hazard calendar for Koforidua

In seasonPeak

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

Koforidua 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 Koforidua?

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

2.9
Sightseeing
12th-best month of the year
4.2
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Koforidua.

What to pack for Koforidua in May

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

In May, Koforidua sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Koforidua in May

The nearest coast averages about 29°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 67 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
Dec28Warm

UV index in Koforidua 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 Koforidua peaks around April 10 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 highApr 10UV 13Dec 17UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Koforidua 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 Koforidua is worst in January — around 97 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (August, 22 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1695 µg/m³Aug 1922 µg/m³
PM2.5 (µg/m³)Level
Jan97Unhealthy
Feb76Unhealthy
Mar42Poor
Apr38Poor
May26Moderate
Jun27Moderate
Jul24Moderate
Aug22Moderate
Sep23Moderate
Oct32Moderate
Nov40Poor
Dec78Unhealthy
Location & terrain

Where is Koforidua?

Koforidua sits at 6.1°N, 0.3°W, 172 m above sea level, in Ghana. The nearest listed city is Suhum, 22 km away.

AdentaAtsiamanAnyinamTaifa

Topography around Koforidua

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

Within 3 km, the terrain around Koforidua has significant variations in elevation — a maximum elevation change of 332 m around an average of 216 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 586 m; within 80 km, large variations in elevation — a maximum elevation change of 838 m.

The land around Koforidua is covered by artificial surfaces (54%) and trees (39%) within 3 km, trees (79%) within 16 km, and trees (48%) within 80 km.

3 km
332 m
16 km
586 m
80 km
838 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Suhum 22 km · Aburi 29 km · Nsawam 33 km · Begoro 35 km · Adenta 44 km · Atsiaman 45 km · Anyinam 45 km · Taifa 48 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 Koforidua (6.0941°, -0.2591°, elevation 172 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).