Ashaiman weather in May

In May, Ashaiman sees average daytime highs of 31°C and overnight lows near 25°C, with 92 mm of rain across 16.6 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 30°C by the end. The sky is clear or mostly clear about 13% 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 Ashaiman's 9th-clearest and 8th-windiest month. For the whole year in context, see Ashaiman's year-round climate.

Daytime high
31°
7th warmest
Overnight low
25°
9th coldest
Rainfall
92 mm
16.6 wet days
Daylight
12 h 18 min
5:49 AM – 6:04 PM
Cloud cover
74%
9th clearest
Wind
11 km/h
8th windiest
Solar energy
5.1 kWh/m²
Travel score
3.5
out of 10

Ashaiman is human settlement in Ghana.

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 32°C in the first days to 30°C by the end.

A typical May day in Ashaiman reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°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)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133225
143225
153225
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283025
293025
303025
313025

How May really feels in Ashaiman

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
4 feel dangerously hot (≥ 39°C)
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.

Ashaiman 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° / 25°164.411.74.6
Feb33° / 26°205.311.84.0
Mar33° / 26°348.3123.6
Apr33° / 26°4610.912.13.5
May31° / 25°9216.612.33.5
Jun29° / 24°13718.912.34.0
Jul28° / 24°6010.412.35.6
Aug28° / 23°358.512.26.0
Sep29° / 24°5712.3125.0
Oct30° / 24°6213.411.94.4
Nov32° / 25°349.911.74.2
Dec32° / 25°205.811.74.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43565
53565
63565
73565
83565
93565
103565
113565
123565
133466
143367
153367
163367
173169
183169
193070
202971
212872
222773
232575
242476
252377
262377
272179
282080
291981
301981
311783

Chance of precipitation in May

Any precipitation

Ashaiman gets around 92 mm of rain over 16.6 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 54% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
141
242
342
443
544
645
745
846
947
1048
1148
1249
1350
1451
1552
1653
1754
1855
1956
2057
2158
2259
2360
2461
2562
2663
2764
2865
2966
3067
3167

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13466
23466
33466
43466
53466
63466
73466
83565
93565
103664
113664
123763
133862
143862
153961
164060
174159
184258
194357
204456
214555
224654
234852
244951
255050
265248
275347
285545
295644
305842
315941

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:51 AM to 5:48 AM, and sunset from 6:03 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:516:03
212.25:516:03
312.25:516:03
412.25:516:03
512.25:506:03
612.25:506:03
712.25:506:03
812.25:506:03
912.25:506:04
1012.25:496:04
1112.25:496:04
1212.25:496:04
1312.25:496:04
1412.35:496:04
1512.35:496:04
1612.35:496:04
1712.35:496:04
1812.35:486:04
1912.35:486:05
2012.35:486:05
2112.35:486:05
2212.35:486:05
2312.35:486:05
2412.35:486:05
2512.35:486:05
2612.35:486:06
2712.35:486:06
2812.35:486:06
2912.35:486:06
3012.35:486:06
3112.35:486:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.1 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.82 kWh/m² in March across the year — May's 5.1 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in May

Hazard calendar for Ashaiman

In seasonPeak

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

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

Ashaiman 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 May a good time to visit Ashaiman?

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

3.5
Sightseeing
11th-best month of the year
5.4
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Ashaiman.

What to pack for Ashaiman in May

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

In May, Ashaiman sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Ashaiman 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 20 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 Ashaiman 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 Ashaiman 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 Ashaiman 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 Ashaiman 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 Ashaiman?

Ashaiman sits at 5.7°N, 0.0°W, 23 m above sea level, in Ghana. The nearest listed city is Lashibi, 2.0 km away.

Topography around Ashaiman

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

Within 3 km, the terrain around Ashaiman has only modest variations in elevation — a maximum elevation change of 56 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, large variations in elevation — a maximum elevation change of 777 m.

The land around Ashaiman is covered by artificial surfaces (72%) within 3 km, artificial surfaces (47%), grassland (25%) and water (21%) within 16 km, and water (32%), trees (31%) and grassland (20%) within 80 km.

3 km
56 m
16 km
132 m
80 km
777 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Lashibi 2.0 km · Tema 4.0 km · Tema New Town 8.0 km · Sakumona 9.0 km · Nungua 12 km · Adenta 13 km · Medina Estates 15 km · Teshi Old Town 15 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 Ashaiman (5.6995°, -0.0348°, elevation 23 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).