Koulamoutou in Spring
In spring (September, October and November), Koulamoutou sees average daytime highs around 29°C and overnight lows near 22°C, with 457 mm of rain over about 74 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Across spring, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 1% of the time across spring, and the air most often feels oppressive.
Spring is Koulamoutou's 2nd-best season to visit on our travel score. For the whole year in context, see Koulamoutou's year-round climate.
- Avg daytime high
- 29°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 457 mm
- 74 wet days
- Avg wind
- 4 km/h
- Travel score
- 3.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Koulamoutou in Spring
Across spring, daytime highs hold fairly steady around 29°C.
A typical spring day in Koulamoutou reaches about 29°C and drops to 22°C overnight. The warmest of the three months is October, the coolest November.
How spring really feels in Koulamoutou
Once humidity and wind are folded in, spring brings about 65 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Koulamoutou weather by month
How the three spring months (September, October and November) 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 | 30° / 22° | 132 | 21.8 | 12.1 | 3.4 |
| Feb | 31° / 22° | 142 | 20.5 | 12 | 3.1 |
| Mar | 31° / 22° | 159 | 23.8 | 12 | 2.9 |
| Apr | 31° / 22° | 141 | 23.9 | 12 | 3.0 |
| May | 30° / 22° | 120 | 22.8 | 11.9 | 3.5 |
| Jun | 28° / 21° | 44 | 12.4 | 11.9 | 5.4 |
| Jul | 28° / 21° | 28 | 8.1 | 11.9 | 6.4 |
| Aug | 28° / 21° | 38 | 10.3 | 12 | 5.6 |
| Sep | 29° / 22° | 91 | 20.1 | 12 | 3.9 |
| Oct | 29° / 22° | 186 | 27.1 | 12 | 3.2 |
| Nov | 29° / 21° | 180 | 26.4 | 12.1 | 3.1 |
| Dec | 30° / 22° | 164 | 25 | 12.1 | 3.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 1% of the time across spring.
Chance of precipitation in Spring
Koulamoutou gets around 457 mm of rain over 74 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 4 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 12 hours in early September to 12 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.6 kWh/m².
Is spring a good time to visit Koulamoutou?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Koulamoutou.
What to pack for Koulamoutou in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Koulamoutou sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 74 days see rain.
UV index in Koulamoutou in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Koulamoutou peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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) | 13 | 12 | 15 | 13 | 11 | 8 | 9 | 10 | 12 | 14 | 12 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 12 | Extreme |
| Dec | 9 | Very high |
Air quality in Koulamoutou in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Koulamoutou is worst in July — around 25 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (October, 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) | 21 | 25 | 15 | 13 | 17 | 25 | 25 | 22 | 14 | 9 | 11 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 25 | Moderate |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 17 | Moderate |
| Jun | 25 | Moderate |
| Jul | 25 | Moderate |
| Aug | 22 | Moderate |
| Sep | 14 | Moderate |
| Oct | 9 | Good |
| Nov | 11 | Good |
| Dec | 18 | Moderate |
Where is Koulamoutou?
Koulamoutou sits at 1.1°S, 12.5°E, 282 m above sea level, in Gabon. The nearest listed city is Moanda, 95 km away.
Topography around Koulamoutou
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Koulamoutou.
Within 3 km, the terrain around Koulamoutou has only modest variations in elevation — a maximum elevation change of 109 m around an average of 296 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 421 m; within 80 km, large variations in elevation — a maximum elevation change of 813 m.
The land around Koulamoutou is covered by trees (88%) within 3 km, trees (99%) within 16 km, and trees (100%) within 80 km.
Gabon travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 37% of US
- price level, 2025
- GDP per capita
- $8,263
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Road deaths
- 23.9
- per 100k/yr, 2019
- Income group
- Upper 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 Koulamoutou (-1.1367°, 12.464°, elevation 282 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.