Ouesso in Summer
In summer (June, July and August), Ouesso sees average daytime highs around 29°C and overnight lows near 22°C, with 310 mm of rain over about 58 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 10% of the time across summer, and the air most often feels oppressive.
Summer is Ouesso's 2nd-best season to visit on our travel score. Ouesso 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 Ouesso's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 310 mm
- 58 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.2
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Ouesso in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Ouesso 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 Ouesso
Once humidity and wind are folded in, summer brings about 34 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.
Ouesso 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 | 31° / 21° | 53 | 9.2 | 11.9 | 4.6 |
| Feb | 31° / 22° | 75 | 11.7 | 11.9 | 3.9 |
| Mar | 31° / 22° | 139 | 19.8 | 12 | 3.3 |
| Apr | 31° / 23° | 147 | 19.9 | 12 | 3.4 |
| May | 30° / 22° | 115 | 20.2 | 12.1 | 3.7 |
| Jun | 29° / 22° | 95 | 18.2 | 12.1 | 4.3 |
| Jul | 29° / 22° | 91 | 17.8 | 12.1 | 4.5 |
| Aug | 29° / 22° | 124 | 22.3 | 12.1 | 3.9 |
| Sep | 29° / 22° | 169 | 25.1 | 12 | 3.4 |
| Oct | 29° / 22° | 189 | 26.3 | 12 | 3.3 |
| Nov | 29° / 22° | 159 | 22 | 11.9 | 3.6 |
| Dec | 30° / 22° | 72 | 12.3 | 11.9 | 4.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 10% of the time across summer.
Chance of precipitation in Summer
Ouesso gets around 310 mm of rain over 58 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 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 06 min in early June to 12 hours 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 4.8 kWh/m².
Is summer a good time to visit Ouesso?
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 reasonable time to visit Ouesso for sightseeing.
What to pack for Ouesso in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ouesso sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 58 days see rain.
UV index in Ouesso 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 Ouesso peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 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) | 11 | 12 | 14 | 12 | 11 | 9 | 9 | 11 | 12 | 13 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in Ouesso 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 Ouesso is worst in February — around 43 µg/m³ PM2.5 (poor), about 4.8× the cleanest month (September, 9 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) | 32 | 43 | 26 | 17 | 14 | 20 | 23 | 18 | 9 | 9 | 16 | 26 |
| Level | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 32 | Moderate |
| Feb | 43 | Poor |
| Mar | 26 | Moderate |
| Apr | 17 | Moderate |
| May | 14 | Moderate |
| Jun | 20 | Moderate |
| Jul | 23 | Moderate |
| Aug | 18 | Moderate |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 16 | Moderate |
| Dec | 26 | Moderate |
Where is Ouesso?
Ouesso sits at 1.6°N, 16.1°E, 348 m above sea level, in Republic of the Congo. The nearest listed city is Pokola, 38 km away.
Topography around Ouesso
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ouesso.
Within 3 km, the terrain around Ouesso has only modest variations in elevation — a maximum elevation change of 47 m around an average of 346 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 215 m; within 80 km, significant variations in elevation — a maximum elevation change of 366 m.
The land around Ouesso is covered by trees (53%) and artificial surfaces (23%) within 3 km, trees (95%) within 16 km, and trees (99%) within 80 km.
Republic of the Congo travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $2,515
- 2025
- Happiness
- 4.5 / 10
- World Happiness, 2025
- Safe drinking water
- 46%
- of population, 2021
- Road deaths
- 29.7
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- 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 Ouesso (1.6136°, 16.0517°, elevation 348 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.