Owerri in Summer
In summer (June, July and August), Owerri sees average daytime highs around 29°C and overnight lows near 22°C, with 869 mm of rain over about 84 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 29°C. The sky is clear or mostly clear about 0% of the time across summer, and the air most often feels oppressive.
Summer is Owerri's 2nd-best season to visit on our travel score. For the whole year in context, see Owerri's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 869 mm
- 84 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.0
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Owerri in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Owerri reaches about 29°C and drops to 22°C overnight. The warmest of the three months is June, the coolest July.
How summer really feels in Owerri
Once humidity and wind are folded in, summer brings about 53 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.
Owerri 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 | 34° / 22° | 25 | 5.6 | 11.7 | 3.1 |
| Feb | 35° / 23° | 52 | 9.9 | 11.8 | 2.5 |
| Mar | 34° / 24° | 134 | 20.5 | 12 | 2.3 |
| Apr | 32° / 23° | 213 | 24.8 | 12.1 | 2.3 |
| May | 31° / 23° | 264 | 28.3 | 12.2 | 2.4 |
| Jun | 30° / 23° | 296 | 28.4 | 12.3 | 2.7 |
| Jul | 29° / 22° | 301 | 28.9 | 12.3 | 3.1 |
| Aug | 29° / 22° | 272 | 27 | 12.2 | 3.2 |
| Sep | 29° / 22° | 315 | 29.2 | 12 | 2.8 |
| Oct | 30° / 23° | 302 | 29.7 | 11.9 | 2.6 |
| Nov | 32° / 22° | 115 | 18.2 | 11.8 | 3.2 |
| Dec | 33° / 22° | 23 | 5.8 | 11.7 | 3.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 0% of the time across summer.
Chance of precipitation in Summer
Owerri gets around 869 mm of rain over 84 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 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 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 Owerri
In summer, Owerri overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Owerri's rainy season runs April–October, when most of the year's rain falls.
Owerri sees seasonal dust haze (December–April), heaviest in February.
Is summer a good time to visit Owerri?
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 Owerri.
What to pack for Owerri in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Owerri sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 84 days see rain.
UV index in Owerri 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 Owerri peaks around March 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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) | 8 | 10 | 12 | 12 | 11 | 11 | 10 | 9 | 12 | 12 | 10 | 8 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 8 | Very high |
Air quality in Owerri 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 Owerri is worst in January — around 160 µg/m³ PM2.5 (very unhealthy), about 3.0× the cleanest month (August, 54 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) | 160 | 141 | 102 | 94 | 85 | 73 | 59 | 54 | 67 | 87 | 96 | 152 |
| Level | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Unhealthy | Unhealthy | Unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 160 | Very unhealthy |
| Feb | 141 | Unhealthy |
| Mar | 102 | Unhealthy |
| Apr | 94 | Unhealthy |
| May | 85 | Unhealthy |
| Jun | 73 | Unhealthy |
| Jul | 59 | Unhealthy |
| Aug | 54 | Poor |
| Sep | 67 | Unhealthy |
| Oct | 87 | Unhealthy |
| Nov | 96 | Unhealthy |
| Dec | 152 | Very unhealthy |
Where is Owerri?
Owerri sits at 5.5°N, 7.0°E, 73 m above sea level, in Nigeria. The nearest listed city is Nkwerre, 32 km away.
Topography around Owerri
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Owerri.
Within 3 km, the terrain around Owerri has only modest variations in elevation — a maximum elevation change of 71 m around an average of 70 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 430 m.
The land around Owerri is covered by artificial surfaces (78%) within 3 km, trees (62%) within 16 km, and trees (81%) 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 Owerri (5.4836°, 7.0332°, elevation 73 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.