Bonny in Summer
In summer (June, July and August), Bonny sees average daytime highs around 27°C and overnight lows near 24°C, with 1172 mm of rain over about 86 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels oppressive.
Summer is Bonny's 2nd-best season to visit on our travel score. Bonny has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Bonny's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 1172 mm
- 86 wet days
- Avg wind
- 12 km/h
- Travel score
- 3.6
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Bonny in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Bonny reaches about 27°C and drops to 24°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Bonny
Once humidity and wind are folded in, summer brings about 1 day 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.
Bonny 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 | 29° / 25° | 47 | 13.4 | 11.8 | 4.9 |
| Feb | 30° / 26° | 73 | 16.7 | 11.9 | 4.1 |
| Mar | 29° / 26° | 164 | 24.6 | 12 | 3.4 |
| Apr | 29° / 26° | 225 | 25.5 | 12.1 | 3.2 |
| May | 29° / 25° | 295 | 28.7 | 12.2 | 3.1 |
| Jun | 27° / 25° | 414 | 28.8 | 12.3 | 3.4 |
| Jul | 27° / 24° | 418 | 29.2 | 12.2 | 3.6 |
| Aug | 26° / 24° | 339 | 28 | 12.1 | 3.7 |
| Sep | 27° / 24° | 356 | 29.1 | 12 | 3.4 |
| Oct | 28° / 24° | 313 | 30 | 11.9 | 3.3 |
| Nov | 28° / 25° | 174 | 25.9 | 11.8 | 3.5 |
| Dec | 29° / 25° | 56 | 16.2 | 11.7 | 4.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Bonny gets around 1172 mm of rain over 86 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 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 12 min in early June to 12 h 06 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 3.6 kWh/m².
Hazard calendar for Bonny
In summer, Bonny overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Bonny's rainy season runs April–October, when most of the year's rain falls.
Bonny sees seasonal dust haze (January–April), heaviest in February.
Is summer a good time to visit Bonny?
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 Bonny.
What to pack for Bonny in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Bonny sees daytime highs around 27°C and nights near 24°C. Pack light clothes and rain gear. About 86 days see rain.
Sea temperature near Bonny in Summer
The nearest coast averages about 27°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in March at about 29°C and coldest in August near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 27 | 27 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Warm |
| Jul | 27 | Warm |
| Aug | 26 | Warm |
| Sep | 27 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Tropical |
| Dec | 28 | Tropical |
UV index in Bonny in Summer
Clear-sky midday UV across summer averages 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 Bonny peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 9 (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) | 9 | 11 | 13 | 13 | 12 | 11 | 10 | 10 | 12 | 12 | 10 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Extreme |
| Dec | 9 | Very high |
Air quality in Bonny 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 Bonny is worst in January — around 104 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (August, 37 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) | 104 | 95 | 68 | 60 | 53 | 47 | 41 | 37 | 43 | 55 | 62 | 92 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Poor | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 104 | Unhealthy |
| Feb | 95 | Unhealthy |
| Mar | 68 | Unhealthy |
| Apr | 60 | Unhealthy |
| May | 53 | Poor |
| Jun | 47 | Poor |
| Jul | 41 | Poor |
| Aug | 37 | Poor |
| Sep | 43 | Poor |
| Oct | 55 | Poor |
| Nov | 62 | Unhealthy |
| Dec | 92 | Unhealthy |
Where is Bonny?
Bonny sits at 4.5°N, 7.2°E, 7 m above sea level, in Nigeria. The nearest listed city is Okrika, 34 km away.
Topography around Bonny
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bonny.
Within 3 km, the terrain around Bonny has only modest variations in elevation — a maximum elevation change of 17 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 24 m; within 80 km, only modest variations in elevation — a maximum elevation change of 78 m.
The land around Bonny is covered by water (48%) and mangroves (28%) within 3 km, water (51%) and mangroves (36%) within 16 km, and water (38%), trees (31%) and mangroves (20%) 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 Bonny (4.4516°, 7.1707°, elevation 7 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.