Geidam weather in May

In May, Geidam sees average daytime highs of 40°C and overnight lows near 27°C, with 6 mm of rain across 1.8 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 40°C through the month. The sky is clear or mostly clear about 57% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Geidam's 7th-clearest and 9th-windiest month. For the whole year in context, see Geidam's year-round climate.

Daytime high
40°
1st warmest
Overnight low
27°
12th coldest
Rainfall
6 mm
1.8 wet days
Daylight
12 h 36 min
5:51 AM – 6:26 PM
Cloud cover
39%
7th clearest
Wind
10 km/h
9th windiest
Solar energy
7.08 kWh/m²
Travel score
0.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 40°C through the month.

A typical May day in Geidam reaches about 40°C in the afternoon and slips back to 27°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 38°C and 42°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14127
24127
34127
44127
54127
64127
74127
84127
94127
104127
114127
124127
134127
144127
154127
164127
174027
184027
194027
204027
214027
224027
234027
244027
254028
264028
274028
284028
294028
304028
314028

How May really feels in Geidam

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
31 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.

Geidam weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 15°0011.36.7
Feb33° / 18°0011.64.5
Mar37° / 22°0011.91.7
Apr40° / 26°10.412.30.1
May40° / 27°61.812.60.0
Jun38° / 27°143.812.71.0
Jul35° / 25°6212.212.72.5
Aug32° / 24°12616.612.43.3
Sep35° / 24°42812.12.8
Oct37° / 23°61.911.72.0
Nov34° / 20°0011.43.7
Dec31° / 16°0011.36.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37327
47327
57228
67327
77327
87426
97327
107426
117426
127426
137525
147525
157525
167525
177525
187525
197426
207426
217426
227327
237426
247426
257426
267327
277327
287327
297426
307426
317426

Chance of precipitation in May

Any precipitation

Geidam gets around 6 mm of rain over 1.8 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 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
85
95
105
115
125
135
145
155
166
176
186
196
207
217
227
237
247
258
268
278
288
298
308
318

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1531621100
2521622100
3501623110
4491623110
5481624121
6471624121
7471625121
8461625121
9461625121
10461625121
11451625122
12451626122
13441626132
14431626132
15421626142
16411626143
17401626153
18381626163
19361626183
20341626194
21321627214
22301628224
23281628244
24261529254
25241530274
26211531295
27191431315
28171332335
29161333344
30141233364
31131134384

Wind in May

Winds average 10 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 42 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 5:56 AM to 5:49 AM, and sunset from 6:23 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:566:23
212.55:556:23
312.55:556:23
412.55:556:24
512.55:546:24
612.55:546:24
712.55:536:24
812.55:536:24
912.55:536:25
1012.55:526:25
1112.55:526:25
1212.65:526:25
1312.65:526:26
1412.65:516:26
1512.65:516:26
1612.65:516:26
1712.65:516:27
1812.65:506:27
1912.65:506:27
2012.65:506:27
2112.65:506:28
2212.65:506:28
2312.65:496:28
2412.75:496:29
2512.75:496:29
2612.75:496:29
2712.75:496:29
2812.75:496:30
2912.75:496:30
3012.75:496:30
3112.75:496:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.08 kWh/m².

For context, solar energy here swings from a low near 5.67 kWh/m² to a high of 7.42 kWh/m² in April across the year — May's 7.08 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.1Intense
147.1Intense
157.1Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.1Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in May

Hazard calendar for Geidam

In seasonPeak

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

Geidam sees dust haze year-round, heaviest in April.

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

Is May a good time to visit Geidam?

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

0.0
Sightseeing
12th-best month of the year
2.7
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Geidam.

What to pack for Geidam in May

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

In May, Geidam sees daytime highs around 40°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Geidam in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Geidam peaks around August 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highAug 18UV 12Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb8Very high
Mar10Extreme
Apr10Very high
May8Very high
Jun9Very high
Jul10Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec6High

Air quality in Geidam 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 Geidam is worst in February — around 113 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (August, 26 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 12112 µg/m³Aug 1827 µg/m³
PM2.5 (µg/m³)Level
Jan108Unhealthy
Feb113Unhealthy
Mar102Unhealthy
Apr78Unhealthy
May54Poor
Jun49Poor
Jul32Moderate
Aug26Moderate
Sep30Moderate
Oct54Poor
Nov68Unhealthy
Dec101Unhealthy
Location & terrain

Where is Geidam?

Geidam sits at 12.9°N, 11.9°E, 329 m above sea level, in Nigeria. The nearest listed city is Maïné Soroa, 37 km away.

DiffaGashuaDamaturuMagumeriKumagunnamDauraNguru

Topography around Geidam

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

Within 3 km, the terrain around Geidam has only modest variations in elevation — a maximum elevation change of 17 m around an average of 324 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, only modest variations in elevation — a maximum elevation change of 57 m.

The land around Geidam is covered by grassland (38%), cropland (38%) and artificial surfaces (20%) within 3 km, cropland (57%) and grassland (39%) within 16 km, and grassland (66%) and cropland (29%) within 80 km.

3 km
17 m
16 km
47 m
80 km
57 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
May weather nearby: Maïné Soroa 37 km · Diffa 88 km · Gashua 96 km · Damaturu 128 km · Magumeri 131 km · Kumagunnam 143 km · Daura 159 km · Nguru 159 km

Nigeria travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 13% of US
price level, 2025
GDP per capita
$1,224
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
15.7
per 100k, 2023
Road deaths
20.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 569
Religion
Muslim 54%other Christian 35%Roman Catholic 11%other 1%

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 Geidam (12.8944°, 11.9265°, elevation 329 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).