Aru in Winter
In winter (December, January and February), Aru sees average daytime highs around 29°C and overnight lows near 18°C, with 85 mm of rain over about 14 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 27°C in early December to 30°C by late February. The sky is clear or mostly clear about 25% of the time across winter, and the air most often feels dry.
Winter is Aru's best season of the year to visit on our travel score. For the whole year in context, see Aru's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 85 mm
- 14 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.0
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Aru in Winter
Over the season highs climb from about 27°C in early December to 30°C by late February.
A typical winter day in Aru reaches about 29°C and drops to 18°C overnight. The warmest of the three months is February, the coolest December.
Aru weather by month
How the three winter months (December, January and February) 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° / 18° | 18 | 3.2 | 11.9 | 6.1 |
| Feb | 30° / 19° | 30 | 4.9 | 11.9 | 5.2 |
| Mar | 29° / 19° | 92 | 12.9 | 12 | 4.8 |
| Apr | 28° / 18° | 152 | 19.2 | 12.1 | 4.7 |
| May | 27° / 18° | 148 | 18.2 | 12.1 | 5.1 |
| Jun | 26° / 17° | 155 | 19.9 | 12.2 | 5.0 |
| Jul | 26° / 17° | 172 | 22.6 | 12.1 | 4.7 |
| Aug | 26° / 16° | 189 | 25 | 12.1 | 4.4 |
| Sep | 26° / 17° | 166 | 22.4 | 12 | 4.6 |
| Oct | 26° / 17° | 194 | 24.3 | 11.9 | 4.4 |
| Nov | 27° / 17° | 119 | 17.1 | 11.9 | 5.3 |
| Dec | 28° / 18° | 38 | 6.1 | 11.8 | 6.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 25% of the time across winter.
Chance of precipitation in Winter
Aru gets around 85 mm of rain over 14 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 48 min in early December to 11 h 54 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.9 kWh/m².
Is winter a good time to visit Aru?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Aru for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Aru in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Aru sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. About 14 days see rain.
UV index in Aru in Winter
Clear-sky midday UV across winter 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 Aru peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).
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) | 12 | 14 | 16 | 14 | 12 | 11 | 10 | 12 | 13 | 13 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Aru in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Aru is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (April, 19 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) | 55 | 48 | 30 | 19 | 20 | 28 | 30 | 25 | 22 | 22 | 26 | 40 |
| Level | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 55 | Poor |
| Feb | 48 | Poor |
| Mar | 30 | Moderate |
| Apr | 19 | Moderate |
| May | 20 | Moderate |
| Jun | 28 | Moderate |
| Jul | 30 | Moderate |
| Aug | 25 | Moderate |
| Sep | 22 | Moderate |
| Oct | 22 | Moderate |
| Nov | 26 | Moderate |
| Dec | 40 | Poor |
Where is Aru?
Aru sits at 2.9°N, 30.8°E, 1,350 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Arua, 19 km away.
Topography around Aru
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aru.
Within 3 km, the terrain around Aru has only modest variations in elevation — a maximum elevation change of 69 m around an average of 1,341 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 600 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,580 m.
The land around Aru is covered by shrubs (30%), grassland (22%) and artificial surfaces (20%) within 3 km, shrubs (59%) within 16 km, and shrubs (40%), grassland (32%) and trees (22%) 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 Aru (2.8622°, 30.8414°, elevation 1,350 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.