Oyem in Spring
In spring (March, April and May), Oyem sees average daytime highs around 29°C and overnight lows near 20°C, with 611 mm of rain over about 79 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 2% of the time across spring, and the air most often feels oppressive.
Spring is Oyem's weakest season of the year to visit on our travel score. Oyem 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 Oyem's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 611 mm
- 79 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.2
- weakest season of the year
- Months
- Mar · Apr · May
Temperature in Oyem in Spring
Across spring, daytime highs hold fairly steady around 29°C.
A typical spring day in Oyem reaches about 29°C and drops to 20°C overnight. The warmest of the three months is March, the coolest March.
How spring really feels in Oyem
Once humidity and wind are folded in, spring brings about 63 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.
Oyem weather by month
How the three spring months (March, April and May) 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° / 20° | 85 | 16.4 | 11.9 | 4.3 |
| Feb | 30° / 20° | 112 | 17.1 | 11.9 | 3.9 |
| Mar | 30° / 20° | 200 | 25.5 | 12 | 3.2 |
| Apr | 30° / 21° | 226 | 26.4 | 12 | 3.0 |
| May | 29° / 21° | 185 | 26.9 | 12.1 | 3.3 |
| Jun | 28° / 20° | 143 | 22.7 | 12.1 | 4.2 |
| Jul | 27° / 20° | 119 | 20.4 | 12.1 | 4.7 |
| Aug | 27° / 20° | 117 | 20.6 | 12.1 | 4.6 |
| Sep | 28° / 20° | 223 | 27.2 | 12 | 3.6 |
| Oct | 28° / 20° | 261 | 29.1 | 12 | 3.4 |
| Nov | 28° / 20° | 232 | 27.3 | 11.9 | 3.4 |
| Dec | 29° / 20° | 116 | 20.4 | 11.9 | 4.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 2% of the time across spring.
Chance of precipitation in Spring
Oyem gets around 611 mm of rain over 79 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 5 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 12 hours in early March to 12 h 06 min by late May. 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 4.8 kWh/m².
Is spring a good time to visit Oyem?
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 Oyem.
What to pack for Oyem in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Oyem sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 79 days see rain.
UV index in Oyem in Spring
Clear-sky midday UV across spring averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Oyem peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 | 13 | 12 | 10 | 10 | 11 | 13 | 14 | 11 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Oyem 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 Oyem is worst in February — around 48 µg/m³ PM2.5 (poor), about 5.3× 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) | 37 | 48 | 29 | 20 | 15 | 19 | 20 | 16 | 9 | 9 | 15 | 30 |
| Level | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 37 | Poor |
| Feb | 48 | Poor |
| Mar | 29 | Moderate |
| Apr | 20 | Moderate |
| May | 15 | Moderate |
| Jun | 19 | Moderate |
| Jul | 20 | Moderate |
| Aug | 16 | Moderate |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 15 | Moderate |
| Dec | 30 | Moderate |
Where is Oyem?
Oyem sits at 1.6°N, 11.6°E, 656 m above sea level, in Gabon. The nearest listed city is Bitam, 54 km away.
Topography around Oyem
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oyem.
Within 3 km, the terrain around Oyem has only modest variations in elevation — a maximum elevation change of 103 m around an average of 654 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, significant variations in elevation — a maximum elevation change of 569 m.
The land around Oyem is covered by trees (63%) and artificial surfaces (23%) within 3 km, trees (97%) 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 Oyem (1.5995°, 11.5793°, elevation 656 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.