Allada weather in May

In May, Allada sees average daytime highs of 31°C and overnight lows near 24°C, with 164 mm of rain across 25.4 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 miserable.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Allada's 8th-clearest and 8th-windiest month. For the whole year in context, see Allada's year-round climate.

Daytime high
31°
7th warmest
Overnight low
24°
9th coldest
Rainfall
164 mm
25.4 wet days
Daylight
12 h 18 min
6:39 AM – 6:57 PM
Cloud cover
81%
8th clearest
Wind
8 km/h
8th windiest
Solar energy
4.71 kWh/m²
Travel score
2.8
out of 10

Allada is arrondissement of Benin.

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 Allada reaches about 31°C in the afternoon and slips back to 24°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 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)
13225
23225
33225
43225
53225
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273024
283024
293024
303024
313024

How May really feels in Allada

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
2 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.

Allada 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° / 24°247.411.74.1
Feb33° / 25°409.811.83.3
Mar33° / 25°7517.5122.9
Apr32° / 25°1031912.13.0
May31° / 24°16425.412.32.8
Jun29° / 24°18826.512.43.1
Jul29° / 23°1362412.33.7
Aug28° / 23°12021.212.24.1
Sep29° / 23°15824.9123.3
Oct30° / 24°16026.211.93.0
Nov32° / 24°7117.511.73.5
Dec32° / 24°298.111.64.3

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 14% of May, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51981
61981
72080
82080
92080
102080
112080
122080
132080
142080
152080
161981
171882
181882
191882
201783
211684
221585
231486
241387
251387
261288
271189
281189
291090
30991
31991

Chance of precipitation in May

Any precipitation

Allada gets around 164 mm of rain over 25.4 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 87% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
174
274
375
475
576
676
777
878
978
1079
1179
1280
1381
1481
1582
1683
1783
1884
1985
2085
2185
2286
2386
2486
2586
2686
2786
2887
2987
3087
3187

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11981
21981
32080
42080
52179
62179
72278
82377
92476
102476
112575
122674
132773
142773
152872
162971
173070
183169
193367
203466
213565
223664
233763
243961
254159
264258
274456
284654
294852
305050
315248

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
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 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 6:42 AM to 6:38 AM, and sunset from 6:56 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:426:56
212.26:416:56
312.26:416:56
412.26:416:56
512.36:416:56
612.36:406:56
712.36:406:56
812.36:406:56
912.36:406:56
1012.36:396:56
1112.36:396:56
1212.36:396:56
1312.36:396:56
1412.36:396:56
1512.36:396:57
1612.36:396:57
1712.36:386:57
1812.36:386:57
1912.36:386:57
2012.36:386:57
2112.36:386:57
2212.36:386:58
2312.36:386:58
2412.36:386:58
2512.36:386:58
2612.36:386:58
2712.36:386:59
2812.36:386:59
2912.36:386:59
3012.46:386:59
3112.46:386:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.71 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 5.42 kWh/m² in February across the year — May's 4.71 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Allada

In seasonPeak

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

Allada 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 Allada?

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

2.8
Sightseeing
12th-best month of the year
4.2
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Allada.

What to pack for Allada in May

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

In May, Allada sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Allada 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 41 km away) is warmest in May at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov29Tropical
Dec28Tropical

UV index in Allada 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 Allada peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highApr 9UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Allada 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 Allada is worst in January — around 102 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (August, 25 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 16100 µg/m³Aug 1425 µg/m³
PM2.5 (µg/m³)Level
Jan102Unhealthy
Feb86Unhealthy
Mar47Poor
Apr44Poor
May33Moderate
Jun30Moderate
Jul27Moderate
Aug25Moderate
Sep29Moderate
Oct39Poor
Nov46Poor
Dec89Unhealthy
Location & terrain

Where is Allada?

Allada sits at 6.7°N, 2.2°E, 93 m above sea level, in Benin. The nearest listed city is Zé, 21 km away.

Topography around Allada

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

Within 3 km, the terrain around Allada has only modest variations in elevation — a maximum elevation change of 80 m around an average of 90 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, significant variations in elevation — a maximum elevation change of 266 m.

The land around Allada is covered by trees (54%) and shrubs (26%) within 3 km, trees (70%) and shrubs (20%) within 16 km, and trees (39%) and water (21%) within 80 km.

3 km
80 m
16 km
152 m
80 km
266 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: 21 km · Zinvié 23 km · Kouandé 31 km · Abomey-Calavi 33 km · Ouidah 34 km · Ganvié 35 km · Godomè 37 km · 40 km

Benin travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,658
2025
Happiness
4.4 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
1.1
per 100k, 2017
Road deaths
26.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 406
Religion
Muslim 28%Roman Catholic 26%Protestant 14%Vodoun 12%

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 Allada (6.6655°, 2.1514°, elevation 93 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).