Nikki weather in May

In May, Nikki sees average daytime highs of 34°C and overnight lows near 24°C, with 102 mm of rain across 16.8 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 33°C by the end. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Nikki's 8th-clearest and 3rd-windiest month. For the whole year in context, see Nikki's year-round climate.

Daytime high
34°
5th warmest
Overnight low
24°
10th coldest
Rainfall
102 mm
16.8 wet days
Daylight
12 h 30 min
6:30 AM – 6:57 PM
Cloud cover
67%
8th clearest
Wind
9 km/h
3rd windiest
Solar energy
5.99 kWh/m²
Travel score
2.6
out of 10

Nikki is commune of Benin.

Density
21/km²
people per km²

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 35°C in the first days to 33°C by the end.

A typical May day in Nikki reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193324
203324
213324
223324
233324
243324
253324
263324
273323
283323
293323
303223
313223

How May really feels in Nikki

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.

Nikki weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 19°10.111.55.0
Feb35° / 22°20.611.73.5
Mar36° / 24°102.211.92.1
Apr36° / 25°448.512.22.0
May34° / 24°10216.812.42.6
Jun31° / 23°14520.712.63.2
Jul29° / 22°22125.212.53.4
Aug29° / 22°28726.912.33.3
Sep30° / 22°20623.112.13.3
Oct32° / 22°661111.83.8
Nov34° / 21°10.411.53.9
Dec33° / 19°00.111.44.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33862
43862
53961
63961
73961
83862
93862
103862
113862
123961
133961
143961
153961
163961
174060
184060
194060
204060
214060
224060
234060
243862
253862
263862
273763
283664
293664
303565
313565

Chance of precipitation in May

Any precipitation

Nikki gets around 102 mm of rain over 16.8 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 (%)
146
247
348
449
550
650
750
851
951
1051
1151
1251
1352
1452
1552
1652
1753
1853
1954
2054
2155
2256
2357
2458
2560
2661
2763
2864
2965
3066
3167

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1220780
2119800
3118810
4117820
5116830
6115840
7014860
8014851
9013861
10013861
11012871
12012871
13011881
14011881
15011881
16010891
17010891
18010891
19010891
20010891
21010891
2209901
2309901
2409901
2508911
2608911
2707921
2807921
2907921
3006931
3106931

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 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 6:34 AM to 6:29 AM, and sunset from 6:55 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:346:55
212.46:346:55
312.46:336:55
412.46:336:55
512.46:336:55
612.46:326:55
712.46:326:55
812.46:326:56
912.46:316:56
1012.46:316:56
1112.46:316:56
1212.46:316:56
1312.46:306:56
1412.46:306:57
1512.46:306:57
1612.56:306:57
1712.56:306:57
1812.56:296:57
1912.56:296:58
2012.56:296:58
2112.56:296:58
2212.56:296:58
2312.56:296:59
2412.56:296:59
2512.56:296:59
2612.56:296:59
2712.56:297:00
2812.56:297:00
2912.56:297:00
3012.56:297:00
3112.56:297:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.99 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 6.54 kWh/m² in March across the year — May's 5.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Nikki

In seasonPeak

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

Nikki's monsoon runs June–September, when most of the year's rain falls.

Nikki sees seasonal dust haze (January–June), heaviest in February.

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

Is May a good time to visit Nikki?

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

2.6
Sightseeing
10th-best month of the year
5.0
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Nikki.

What to pack for Nikki in May

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

In May, Nikki sees daytime highs around 34°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Nikki 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 Nikki peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highExtremeVery highApr 9UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Nikki 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 Nikki is worst in February — around 85 µg/m³ PM2.5 (unhealthy), about 5.5× the cleanest month (August, 16 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1283 µg/m³Aug 1016 µg/m³
PM2.5 (µg/m³)Level
Jan74Unhealthy
Feb85Unhealthy
Mar55Unhealthy
Apr43Poor
May25Moderate
Jun20Moderate
Jul16Moderate
Aug16Moderate
Sep20Moderate
Oct34Moderate
Nov39Poor
Dec62Unhealthy
Location & terrain

Where is Nikki?

Nikki sits at 9.9°N, 3.2°E, 403 m above sea level, in Benin. The nearest listed city is Pèrèrè, 29 km away.

KalaléNdaliBembèrèkèOkutaBabanaKaiamaParakou

Topography around Nikki

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

Within 3 km, the terrain around Nikki has only modest variations in elevation — a maximum elevation change of 85 m around an average of 392 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 179 m; within 80 km, significant variations in elevation — a maximum elevation change of 312 m.

The land around Nikki is covered by cropland (41%) and shrubs (30%) within 3 km, cropland (55%) and shrubs (35%) within 16 km, and shrubs (50%) and cropland (34%) within 80 km.

3 km
85 m
16 km
179 m
80 km
312 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Pèrèrè 29 km · Kalalé 44 km · Ndali 54 km · Bembèrèkè 68 km · Okuta 80 km · Babana 86 km · Kaiama 88 km · Parakou 92 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 Nikki (9.9401°, 3.2107°, elevation 403 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. 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).