Climate averages 1991–2020
Soyo weather
in December.
A warm, moderately wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Soyo: daytime highs average 27.2°C and nights cool to about 24.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 79 mm of rain on roughly 12 days, which makes December a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average December day.
The nearest other city in this atlas is Moanda, Democratic Republic of the Congo (23 km away). In December its highs average 27.9°C, 0.7°C warmer than Soyo, with 81 mm of rain.
Among the 47 cities listed in Angola, Soyo ranks joint 26th of 47 for the warmest December highs and 17th of 47 for the driest December (rainfall, lowest first). The mean December high of those 47 cities is 27.5°C; Soyo is 0.3°C cooler than that mean.
From December to January, average highs rise by 0.4°C to 27.6°C, and monthly rainfall rises from 79 mm to 87 mm.
The annual picture
December 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
Soyo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.6°C25.1°C | 25.1°C | 87 | 13.9 | 12.412 h |
| February | 28.2°C25.5°C | 25.5°C | 94 | 13.5 | 12.312 h |
| March | 28.6°C25.9°C | 25.9°C | 94 | 14.2 | 12.112 h |
| April | 28.1°C25.5°C | 25.5°C | 100 | 14.3 | 12.012 h |
| May | 26.9°C24.6°C | 24.6°C | 25 | 4.3 | 11.812 h |
| June | 24.7°C22.3°C | 22.3°C | 0.2 | 0.0 | 11.812 h |
| July | 23.2°C20.6°C | 20.6°C | 0.2 | 0.0 | 11.812 h |
| August | 23.1°C20.6°C | 20.6°C | 1.2 | 0.2 | 11.912 h |
| September | 24.4°C22.1°C | 22.1°C | 2.1 | 0.7 | 12.112 h |
| October | 26.0°C23.9°C | 23.9°C | 18 | 4.1 | 12.212 h |
| November | 27.0°C24.8°C | 24.8°C | 64 | 11.5 | 12.412 h |
| December, selected | 27.2°C24.9°C | 24.9°C | 79 | 12.4 | 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
December in nearby cities
- Moanda, Democratic Republic of the Congo in DecemberDemocratic Republic of the Congo · 23 kmHigh 27.9°C · Low 23.9°C · 81 mm rain
- Cabinda in DecemberAngola · 67 kmHigh 27.7°C · Low 24.2°C · 198 mm rain
- Boma in DecemberDemocratic Republic of the Congo · 82 kmHigh 29.8°C · Low 23.5°C · 187 mm rain
- Matadi in DecemberDemocratic Republic of the Congo · 125 kmHigh 29.4°C · Low 22.8°C · 175 mm rain
- Pointe-Noire in DecemberRepublic of the Congo · 161 kmHigh 28.0°C · Low 23.8°C · 135 mm rain
- Mbanza Kongo in DecemberAngola · 207 kmHigh 28.0°C · Low 20.6°C · 201 mm rain
- Dolisie in DecemberRepublic of the Congo · 218 kmHigh 28.6°C · Low 22.2°C · 258 mm rain
- Kimpese in DecemberDemocratic Republic of the Congo · 237 kmHigh 29.4°C · Low 21.9°C · 180 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 Soyo) is explained once on the Soyo year overview and on the Sources, method and limits page.