Biu in Summer
In summer (June, July and August), Biu sees average daytime highs around 30°C and overnight lows near 22°C, with 378 mm of rain over about 59 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs ease from about 33°C in early June to 28°C by late August. The sky is clear or mostly clear about 11% of the time across summer, and the air most often feels oppressive.
Summer is Biu's 3rd-best season to visit on our travel score. For the whole year in context, see Biu's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 378 mm
- 59 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.8
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Biu in Summer
Over the season highs ease from about 33°C in early June to 28°C by late August.
A typical summer day in Biu reaches about 30°C and drops to 22°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Biu
Once humidity and wind are folded in, summer brings about 43 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Biu weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 17° | 0 | 0 | 11.4 | 5.4 |
| Feb | 35° / 20° | 0 | 0 | 11.6 | 3.4 |
| Mar | 38° / 23° | 1 | 0.3 | 11.9 | 1.4 |
| Apr | 38° / 26° | 17 | 5.1 | 12.2 | 1.1 |
| May | 35° / 25° | 59 | 12.5 | 12.5 | 2.1 |
| Jun | 32° / 24° | 77 | 15.1 | 12.6 | 3.4 |
| Jul | 29° / 22° | 117 | 19.9 | 12.6 | 3.9 |
| Aug | 28° / 22° | 183 | 23.8 | 12.3 | 4.0 |
| Sep | 29° / 22° | 116 | 20.2 | 12.1 | 3.9 |
| Oct | 32° / 22° | 61 | 13.3 | 11.8 | 3.6 |
| Nov | 34° / 20° | 1 | 0.3 | 11.5 | 4.1 |
| Dec | 32° / 17° | 0 | 0 | 11.4 | 5.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 11% of the time across summer.
Chance of precipitation in Summer
Biu gets around 378 mm of rain over 59 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.2 kWh/m².
Hazard calendar for Biu
In summer, Biu overlaps its monsoon and 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.
Is summer a good time to visit Biu?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Biu.
What to pack for Biu in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Biu sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 59 days see rain.
UV index in Biu in Summer
Clear-sky midday UV across summer averages 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 11 | 11 | 11 | 10 | 10 | 11 | 13 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 11 | Extreme |
| Apr | 11 | Extreme |
| May | 10 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Biu in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 87 | 96 | 96 | 68 | 38 | 31 | 22 | 25 | 31 | 49 | 57 | 79 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 87 | Unhealthy |
| Feb | 96 | Unhealthy |
| Mar | 96 | Unhealthy |
| Apr | 68 | Unhealthy |
| May | 38 | Poor |
| Jun | 31 | Moderate |
| Jul | 22 | Moderate |
| Aug | 25 | Moderate |
| Sep | 31 | Moderate |
| Oct | 49 | Poor |
| Nov | 57 | Unhealthy |
| Dec | 79 | Unhealthy |
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.
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.
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
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.