Climate averages 1991–2020
Boma weather
in January.
A hot, wet month: the joint 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Boma: daytime highs average 30.1°C and nights cool to about 23.5°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 176 mm of rain on roughly 22 days, which makes January a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average January day.
The nearest other city in this atlas is Matadi (45 km away). In January its highs average 29.6°C, about as warm as Boma, with 149 mm of rain.
Among the 60 cities listed in the Democratic Republic of the Congo, Boma ranks 16th of 60 for the warmest January highs and 41st of 60 for the driest January (rainfall, lowest first). The mean January high of those 60 cities is 28.8°C; Boma is 1.3°C warmer than that mean.
From January to February, average highs rise by 0.5°C to 30.5°C, and monthly rainfall falls from 176 mm to 146 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Matadi in JanuaryDemocratic Republic of the Congo · 45 kmHigh 29.6°C · Low 22.9°C · 149 mm rain
- Moanda, Democratic Republic of the Congo in JanuaryDemocratic Republic of the Congo · 76 kmHigh 28.3°C · Low 24.1°C · 87 mm rain
- Soyo in JanuaryAngola · 82 kmHigh 27.6°C · Low 25.1°C · 87 mm rain
- Cabinda in JanuaryAngola · 100 kmHigh 28.1°C · Low 24.4°C · 190 mm rain
- Mbanza Kongo in JanuaryAngola · 139 kmHigh 28.3°C · Low 20.7°C · 154 mm rain
- Kimpese in JanuaryDemocratic Republic of the Congo · 156 kmHigh 29.7°C · Low 22.1°C · 141 mm rain
- Pointe-Noire in JanuaryRepublic of the Congo · 178 kmHigh 28.4°C · Low 24.0°C · 142 mm rain
- Nkayi in JanuaryRepublic of the Congo · 187 kmHigh 30.2°C · Low 22.6°C · 135 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.