Biu weather in May

In May, Biu sees average daytime highs of 35°C and overnight lows near 25°C, with 59 mm of rain across 12.5 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 37°C in the first days to 34°C by the end. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Biu's 8th-clearest and 9th-windiest month. For the whole year in context, see Biu's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
25°
11th coldest
Rainfall
59 mm
12.5 wet days
Daylight
12 h 30 min
5:53 AM – 6:22 PM
Cloud cover
60%
8th clearest
Wind
10 km/h
9th windiest
Solar energy
6.34 kWh/m²
Travel score
2.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 37°C in the first days to 34°C by the end.

A typical May day in Biu reaches about 35°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 38°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13726
23726
33726
43726
53626
63626
73626
83625
93625
103625
113625
123625
133625
143625
153625
163625
173625
183525
193525
203525
213525
223525
233525
243525
253525
263425
273425
283425
293425
303425
313424

How May really feels in Biu

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
heat index over the day's high
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.

Biu weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 17°0011.45.4
Feb35° / 20°0011.63.4
Mar38° / 23°10.311.91.4
Apr38° / 26°175.112.21.1
May35° / 25°5912.512.52.1
Jun32° / 24°7715.112.63.4
Jul29° / 22°11719.912.63.9
Aug28° / 22°18323.812.34.0
Sep29° / 22°11620.212.13.9
Oct32° / 22°6113.311.83.6
Nov34° / 20°10.311.54.1
Dec32° / 17°0011.45.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44555
54654
64654
74753
84753
94951
104951
115050
125050
135149
145149
155149
165149
175149
185149
195149
205149
214951
224951
234951
244852
254852
264852
274753
284753
294753
304753
314753

Chance of precipitation in May

Any precipitation

Biu gets around 59 mm of rain over 12.5 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 40% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
234
334
435
535
635
736
836
936
1036
1136
1237
1337
1437
1538
1639
1739
1840
1941
2042
2142
2244
2345
2446
2547
2647
2748
2849
2949
3049
3149

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1147144916
2137135018
3126125119
4116125120
5106125220
6105125221
795125222
885115422
975115423
1074115523
1164115524
1264115524
1354115525
1453105725
1543105726
1643105627
1742105628
184295629
193295630
203295531
213285532
223175633
232175535
242165536
252155438
262155339
272145340
281045342
291035343
301035343
311025344

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 24 min at the start of May to 12 h 36 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 5:57 AM to 5:52 AM, and sunset from 6:20 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:576:20
212.45:576:20
312.45:576:20
412.45:566:20
512.45:566:20
612.45:566:20
712.45:556:20
812.45:556:21
912.45:556:21
1012.45:546:21
1112.45:546:21
1212.55:546:21
1312.55:546:21
1412.55:536:22
1512.55:536:22
1612.55:536:22
1712.55:536:22
1812.55:536:22
1912.55:526:23
2012.55:526:23
2112.55:526:23
2212.55:526:23
2312.55:526:24
2412.55:526:24
2512.55:526:24
2612.55:526:24
2712.65:526:25
2812.65:526:25
2912.65:526:25
3012.65:526:25
3112.65:526:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.34 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 7.08 kWh/m² in March across the year — May's 6.34 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Biu

In seasonPeak

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

Biu's monsoon runs July–September, when most of the year's rain falls.

Biu sees seasonal dust haze (January–June), heaviest in March.

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

Is May a good time to visit Biu?

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

2.1
Sightseeing
10th-best month of the year
4.8
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Biu.

What to pack for Biu in May

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

In May, Biu sees daytime highs around 35°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Biu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Biu peaks around August 18 at about 12 (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 highExtremeVery highExtremeVery highAug 18UV 12Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar11Extreme
Apr11Extreme
May10Very high
Jun10Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Biu 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 Biu is worst in February — around 96 µg/m³ PM2.5 (unhealthy), about 4.3× the cleanest month (July, 22 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 2296 µg/m³Jul 2123 µg/m³
PM2.5 (µg/m³)Level
Jan87Unhealthy
Feb96Unhealthy
Mar96Unhealthy
Apr68Unhealthy
May38Poor
Jun31Moderate
Jul22Moderate
Aug25Moderate
Sep31Moderate
Oct49Poor
Nov57Unhealthy
Dec79Unhealthy
Location & terrain

Where is Biu?

Biu sits at 10.6°N, 12.2°E, 762 m above sea level, in Nigeria. The nearest listed city is Gombi, 77 km away.

GombiDamboaDebaNafadaGombeGarkoMubiKumo

Topography around Biu

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

Within 3 km, the terrain around Biu has only modest variations in elevation — a maximum elevation change of 131 m around an average of 743 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 450 m; within 80 km, large variations in elevation — a maximum elevation change of 756 m.

The land around Biu is covered by cropland (35%), artificial surfaces (33%) and grassland (26%) within 3 km, cropland (51%) and grassland (42%) within 16 km, and cropland (43%) and grassland (38%) within 80 km.

3 km
131 m
16 km
450 m
80 km
756 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Gombi 77 km · Damboa 86 km · Deba 99 km · Nafada 108 km · Gombe 118 km · Garko 123 km · Mubi 123 km · Kumo 125 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 Biu (10.6128°, 12.1946°, elevation 762 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).