Isiro in Spring
In spring (March, April and May), Isiro sees average daytime highs around 29°C and overnight lows near 21°C, with 485 mm of rain over about 69 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 31°C in early March to 28°C by late May. The sky is clear or mostly clear about 6% of the time across spring, and the air most often feels oppressive.
Spring is Isiro's 3rd-best season to visit on our travel score. For the whole year in context, see Isiro's year-round climate.
- Avg daytime high
- 29°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 485 mm
- 69 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.9
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Isiro in Spring
Over the season highs ease from about 31°C in early March to 28°C by late May.
A typical spring day in Isiro reaches about 29°C and drops to 21°C overnight. The warmest of the three months is March, the coolest May.
How spring really feels in Isiro
Once humidity and wind are folded in, spring brings about 20 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.
Isiro 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 | 31° / 20° | 37 | 6.6 | 11.9 | 4.7 |
| Feb | 32° / 20° | 60 | 9.7 | 11.9 | 4.0 |
| Mar | 30° / 21° | 146 | 20.3 | 12 | 3.7 |
| Apr | 28° / 21° | 188 | 23.9 | 12.1 | 3.8 |
| May | 28° / 21° | 152 | 24.4 | 12.1 | 4.1 |
| Jun | 27° / 20° | 134 | 24 | 12.2 | 4.1 |
| Jul | 27° / 20° | 149 | 25.2 | 12.1 | 4.2 |
| Aug | 27° / 20° | 178 | 26.3 | 12.1 | 4.0 |
| Sep | 27° / 20° | 190 | 26.5 | 12 | 3.8 |
| Oct | 27° / 20° | 229 | 28.3 | 11.9 | 3.6 |
| Nov | 27° / 20° | 201 | 24 | 11.9 | 4.1 |
| Dec | 29° / 20° | 58 | 10.1 | 11.8 | 5.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 6% of the time across spring.
Chance of precipitation in Spring
Isiro gets around 485 mm of rain over 69 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 11 h 54 min 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 5.2 kWh/m².
Is spring a good time to visit Isiro?
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 Isiro.
What to pack for Isiro in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Isiro sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 69 days see rain.
UV index in Isiro 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 Isiro peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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) | 10 | 11 | 14 | 13 | 11 | 10 | 9 | 12 | 12 | 13 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 11 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 9 | Very high |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Very high |
Air quality in Isiro 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 Isiro is worst in February — around 130 µg/m³ PM2.5 (unhealthy), about 14.4× 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) | 61 | 130 | 49 | 18 | 10 | 15 | 16 | 12 | 9 | 9 | 15 | 36 |
| Level | Unhealthy | Unhealthy | Poor | Moderate | Good | Moderate | Moderate | Moderate | Good | Good | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 61 | Unhealthy |
| Feb | 130 | Unhealthy |
| Mar | 49 | Poor |
| Apr | 18 | Moderate |
| May | 10 | Good |
| Jun | 15 | Moderate |
| Jul | 16 | Moderate |
| Aug | 12 | Moderate |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 15 | Moderate |
| Dec | 36 | Poor |
Where is Isiro?
Isiro sits at 2.8°N, 27.6°E, 761 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Wamba, 81 km away.
Topography around Isiro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Isiro.
Within 3 km, the terrain around Isiro has only modest variations in elevation — a maximum elevation change of 60 m around an average of 748 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 286 m; within 80 km, significant variations in elevation — a maximum elevation change of 469 m.
The land around Isiro is covered by artificial surfaces (36%), grassland (32%) and trees (31%) within 3 km, trees (86%) within 16 km, and trees (91%) within 80 km.
Democratic Republic of the Congo travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 42% of US
- price level, 2025
- GDP per capita
- $807
- 2025
- Happiness
- 3.8 / 10
- World Happiness, 2025
- Safe drinking water
- 12%
- of population, 2024
- Road deaths
- 34.9
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Very low
- EF EPI 400
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 Isiro (2.7739°, 27.616°, elevation 761 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.