Climate averages 1991–2020
Boma weather
in July.
A warm, very dry month: the 11th warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Boma: daytime highs average 27.4°C and nights cool to about 18.8°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 2.2 mm of rain on fewer than one day, which makes July a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 49 min on an average July day.
The nearest other city in this atlas is Matadi (45 km away). In July its highs average 27.1°C, about as warm as Boma, with 1.7 mm of rain.
Among the 60 cities listed in the Democratic Republic of the Congo, Boma ranks 42nd of 60 for the warmest July highs and 28th of 60 for the driest July (rainfall, lowest first). The mean July high of those 60 cities is 29.5°C; Boma is 2.0°C cooler than that mean.
From July to August, average highs fall by 0.2°C to 27.2°C, and monthly rainfall rises from 2.2 mm to 5.5 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Boma climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C23.5°C | 23.5°C | 176 | 21.9 | 12.412 h |
| February | 30.5°C23.9°C | 23.9°C | 146 | 19.3 | 12.312 h |
| March | 30.8°C24.2°C | 24.2°C | 147 | 20.4 | 12.112 h |
| April | 30.3°C24.2°C | 24.2°C | 184 | 22.1 | 12.012 h |
| May | 29.5°C23.3°C | 23.3°C | 63 | 11.6 | 11.912 h |
| June | 28.0°C20.4°C | 20.4°C | 3.1 | 0.4 | 11.812 h |
| July, selected | 27.4°C18.8°C | 18.8°C | 2.2 | 0.1 | 11.812 h |
| August | 27.2°C19.2°C | 19.2°C | 5.5 | 0.8 | 11.912 h |
| September | 28.2°C20.8°C | 20.8°C | 12 | 2.6 | 12.112 h |
| October | 29.7°C22.7°C | 22.7°C | 52 | 10.4 | 12.212 h |
| November | 30.1°C23.5°C | 23.5°C | 155 | 22.0 | 12.412 h |
| December | 29.8°C23.5°C | 23.5°C | 187 | 23.4 | 12.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Matadi in JulyDemocratic Republic of the Congo · 45 kmHigh 27.1°C · Low 18.3°C · 1.7 mm rain
- Moanda, Democratic Republic of the Congo in JulyDemocratic Republic of the Congo · 76 kmHigh 24.5°C · Low 19.8°C · 0.5 mm rain
- Soyo in JulyAngola · 82 kmHigh 23.2°C · Low 20.6°C · 0.2 mm rain
- Cabinda in JulyAngola · 100 kmHigh 24.5°C · Low 20.3°C · 1.1 mm rain
- Mbanza Kongo in JulyAngola · 139 kmHigh 27.8°C · Low 16.8°C · 0.4 mm rain
- Kimpese in JulyDemocratic Republic of the Congo · 156 kmHigh 28.9°C · Low 18.5°C · 0.4 mm rain
- Pointe-Noire in JulyRepublic of the Congo · 178 kmHigh 25.0°C · Low 19.6°C · 0.8 mm rain
- Nkayi in JulyRepublic of the Congo · 187 kmHigh 28.8°C · Low 19.5°C · 0.9 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Boma) is explained once on the Boma year overview and on the Sources, method and limits page.