Guidan Roumdji weather in May

In May, Guidan Roumdji sees average daytime highs of 40°C and overnight lows near 27°C, with 9 mm of rain across 2.5 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 5th-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 54% of the time in May, and the air most often feels humid.

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 Guidan Roumdji's 9th-clearest and 10th-windiest month. For the whole year in context, see Guidan Roumdji's year-round climate.

Daytime high
40°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
9 mm
2.5 wet days
Daylight
12 h 36 min
6:11 AM – 6:48 PM
Cloud cover
41%
9th clearest
Wind
11 km/h
10th windiest
Solar energy
7.01 kWh/m²
Travel score
0.3
out of 10

Guidan Roumdji is urban commune in Niger.

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 40°C through the month.

A typical May day in Guidan Roumdji 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 37°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)
14027
24027
34027
44027
54027
64027
74027
84027
94027
104027
114027
124027
134027
144027
154027
164027
174027
184027
194027
203927
213927
223927
233927
243927
253927
263927
273927
283927
293927
303927
313927

How May really feels in Guidan Roumdji

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.

Guidan Roumdji weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 15°0011.36.6
Feb33° / 18°0011.54.5
Mar37° / 22°0011.91.7
Apr40° / 25°20.312.30.1
May40° / 27°92.512.60.3
Jun37° / 27°184.612.81.5
Jul34° / 25°6010.812.72.9
Aug32° / 24°11814.412.53.5
Sep34° / 24°456.912.13.1
Oct37° / 23°71.511.72.0
Nov35° / 19°0011.43.4
Dec31° / 16°0011.26.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
37030
47030
57030
67030
76931
86931
96931
107030
117030
127030
137129
147129
157228
167327
177327
187327
197426
207525
217426
227426
237426
247525
257525
267426
277426
287426
297426
307426
317426

Chance of precipitation in May

Any precipitation

Guidan Roumdji gets around 9 mm of rain over 2.5 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 8% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
45
55
65
75
85
96
106
116
126
136
146
156
167
177
187
198
208
219
2210
2310
2411
2511
2612
2712
2813
2913
3014
3114

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1391928131
2371929141
3351930151
4331930161
5311931171
6292031181
7282031192
8272032202
9252032212
10242032222
11242032222
12231932233
13221932233
14221932243
15211832244
16211832254
17201732265
18191632275
19191632295
20181531306
21171431326
22161231347
23161130357
24151030378
2514929399
26128284110
27118284310
28107274511
2996264712
3085254912
3175245113

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:16 AM to 6:08 AM, and sunset from 6:45 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:166:45
212.56:166:45
312.56:156:45
412.56:156:45
512.56:146:46
612.56:146:46
712.56:136:46
812.66:136:46
912.66:136:47
1012.66:126:47
1112.66:126:47
1212.66:126:47
1312.66:116:48
1412.66:116:48
1512.66:116:48
1612.66:116:48
1712.66:106:49
1812.66:106:49
1912.76:106:49
2012.76:106:49
2112.76:096:50
2212.76:096:50
2312.76:096:50
2412.76:096:51
2512.76:096:51
2612.76:096:51
2712.76:096:52
2812.76:096:52
2912.76:096:52
3012.76:086:52
3112.76:086:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.01 kWh/m².

For context, solar energy here swings from a low near 5.61 kWh/m² to a high of 7.33 kWh/m² in April across the year — May's 7.01 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.1Intense
107.1Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
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 Guidan Roumdji

In seasonPeak

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

Guidan Roumdji 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 Guidan Roumdji?

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

0.3
Sightseeing
11th-best month of the year
3.3
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Guidan Roumdji.

What to pack for Guidan Roumdji in May

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

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

light clothessun protection

UV index in Guidan Roumdji 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 Guidan Roumdji peaks around August 16 at about 12 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 12Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar11Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec7Very high

Air quality in Guidan Roumdji 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 Guidan Roumdji is worst in February — around 105 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (August, 21 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 14104 µg/m³Aug 1522 µg/m³
PM2.5 (µg/m³)Level
Jan99Unhealthy
Feb105Unhealthy
Mar97Unhealthy
Apr77Unhealthy
May54Poor
Jun42Poor
Jul27Moderate
Aug21Moderate
Sep29Moderate
Oct54Poor
Nov67Unhealthy
Dec92Unhealthy
Location & terrain

Where is Guidan Roumdji?

Guidan Roumdji sits at 13.7°N, 6.7°E, 327 m above sea level, in Niger. The nearest listed city is Tibiri, 40 km away.

DakoroMayahiAguié

Topography around Guidan Roumdji

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

Within 3 km, the terrain around Guidan Roumdji has only modest variations in elevation — a maximum elevation change of 46 m around an average of 327 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 71 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.

The land around Guidan Roumdji is covered by cropland (76%) within 3 km, cropland (85%) within 16 km, and cropland (69%) and grassland (24%) within 80 km.

3 km
46 m
16 km
71 m
80 km
276 m
shrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Tibiri 40 km · Maradi 47 km · Madarounfa 63 km · Moriki 90 km · Madaoua 92 km · Dakoro 95 km · Mayahi 110 km · Aguié 118 km

Niger travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / E / F
220 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$775
2025
Happiness
4.9 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2012
Road deaths
25.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 96%ethnic religionist 4%Christian 0%agnostics and other 0%

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 Guidan Roumdji (13.6576°, 6.6957°, elevation 327 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).