Boma in Winter
In winter (June, July and August), Boma sees average daytime highs around 26°C and overnight lows near 19°C, with 11 mm of rain over about 1 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 7% of the time across winter, and the air most often feels muggy.
Winter is Boma's best season of the year to visit on our travel score. For the whole year in context, see Boma's year-round climate.
- Avg daytime high
- 26°C
- coldest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 11 mm
- 1 wet days
- Avg wind
- 6 km/h
- Travel score
- 7.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Boma in Winter
Across winter, daytime highs hold fairly steady around 26°C.
A typical winter day in Boma reaches about 26°C and drops to 19°C overnight. The warmest of the three months is June, the coolest July.
How winter really feels in Boma
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Boma weather by month
How the three winter 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 | 30° / 23° | 176 | 21.9 | 12.3 | 3.4 |
| Feb | 30° / 24° | 144 | 19.2 | 12.2 | 3.4 |
| Mar | 31° / 24° | 147 | 20.5 | 12 | 3.3 |
| Apr | 31° / 24° | 184 | 22.2 | 11.9 | 3.2 |
| May | 29° / 23° | 63 | 11.6 | 11.7 | 4.9 |
| Jun | 27° / 20° | 3 | 0.4 | 11.7 | 7.5 |
| Jul | 26° / 18° | 2 | 0.1 | 11.7 | 7.7 |
| Aug | 26° / 19° | 6 | 0.8 | 11.8 | 7.3 |
| Sep | 27° / 20° | 12 | 2.6 | 12 | 6.8 |
| Oct | 29° / 22° | 52 | 10.4 | 12.1 | 5.0 |
| Nov | 30° / 23° | 155 | 22 | 12.3 | 3.4 |
| Dec | 30° / 23° | 187 | 23.4 | 12.3 | 3.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 7% of the time across winter.
Chance of precipitation in Winter
Boma gets around 11 mm of rain over 1 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 42 min in early June to 11 h 54 min by late August. 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 3.3 kWh/m².
Hazard calendar for Boma
None of Boma's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Boma's rainy season runs November–April, when most of the year's rain falls.
Is winter a good time to visit Boma?
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 one of the better times to visit Boma for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Boma in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Boma sees daytime highs around 26°C and nights near 19°C. Pack light clothes.
UV index in Boma in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boma peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 at about 6 (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) | 14 | 14 | 15 | 13 | 8 | 7 | 6 | 7 | 10 | 13 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 10 | Very high |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Boma 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 Boma is worst in July — around 30 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 10 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) | 12 | 14 | 12 | 14 | 20 | 27 | 30 | 24 | 19 | 13 | 10 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 14 | Moderate |
| Mar | 12 | Moderate |
| Apr | 14 | Moderate |
| May | 20 | Moderate |
| Jun | 27 | Moderate |
| Jul | 30 | Moderate |
| Aug | 24 | Moderate |
| Sep | 19 | Moderate |
| Oct | 13 | Moderate |
| Nov | 10 | Good |
| Dec | 12 | Good |
Where is Boma?
Boma sits at 5.9°S, 13.1°E, 11 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Matadi, 45 km away.
Topography around Boma
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boma.
Within 3 km, the terrain around Boma has only modest variations in elevation — a maximum elevation change of 142 m around an average of 27 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 436 m; within 80 km, significant variations in elevation — a maximum elevation change of 585 m.
The land around Boma is covered by artificial surfaces (33%), grassland (23%) and water (20%) within 3 km, grassland (58%) and trees (22%) within 16 km, and trees (54%) and grassland (37%) 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 Boma (-5.851°, 13.0536°, elevation 11 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.